C. He, J. Zhou, R. Zhou, C. Chen, S. Jing, K. Mu, Y. T. Huang, C. C. Chung, S. J. Cherng, Y. Lu, K. N. Tu, S. P. Feng, Nanocrystalline Copper for Direct Copper-to-copper Bonding with Improved Cross-interface Formation at Low Thermal Budget, Nature Communications, 15, 7095, 2024.

W. T. Wang, P. Holzhey, N. Zhou, Q. Zhang, S. Zhou, E. A. Duijnstee, K. J. Rietwyk, J. Y. Lin, Y. Mu, Y. Zhang, U. Bach, C. G. Wu, H. L. Yip, H. J. Snaith, S. P. Feng, Water- and Heat-activated Dynamic Passivation for Perovskite Photovoltaics, Nature, 632, 294-300, 2024.

C. Pang, X. Wu, W. Li, L. Wang, S. P. Feng, Inhibiting Leidenfrost Phenomenon with Granulated Polymer Film, Materials Today Physics, 46, 101497, 2024.

W. T. Wang, C. H. Chiang, Q. Zhang, Y. Mu, C. G. Wu, S. P. Feng, Defect-induced Dipole Moment Change of Passivators for Improving the Performance of Perovskite Photovoltaics, ACS Energy Letters, 9, 2982-2989, 2024.

C. H. Chiang, H. T. Chen, W. Y. Chen, W. T. Wang, S. P. Feng, C. G. Wu, Tin Oxide/Amphiphilic Polymer Double-layered Hole Transporter for High-efficiency Tin Perovskite Solar Modules, Advanced Energy Materials, 2400346, 2024.

S. Zhou, Y. Mei, W. Yang, C. Jiang, H. Guo, S. P. Feng, C. Y. Tang, Energy Harvesting from Acid Mine Drainage Using a Highly Proton/Ion-selective Thin Polyamide Film, Water Research, 255, 121530, 2024.

S. P. Feng, W. T. Wang, Dynamic Thiocarbamate Bond-based Passivators of Perovskite, US Appl. 63/701,556.

S. P. Feng, C. C. Chung, S. J. Cherng, K. Mu, IC Package with Nanotwinning-assisted Structurally Stable Copper Structure, U.S. Appl. 18/435979.

G. Peng, G. Wang, A. R. Akbar, D. Zheng, W. Wang. L. Huang, C. Chen, G. Luo, S. P. Feng, F. Liu, Roll-to-roll Fabrication of Lithium Metal Anodes with Hierarchical Lithiophilic Structures and Controlled Deposition for Enhanced Stability, Energy Storage Materials, 66, 103205, 2024.

S. P. Feng, Chemical Additive-Enabled Advancements in Electroplated Copper for Advanced Electronic Packaging and 3DIC Applications (Keynote Talk), International Conference on Electronic Materials (IUMRS-ICEM), Hong Kong, 2024.

J. Lin, Y. He, A. Khaleed, Z. Ren, Y. Li, Y. Cao, J. Tang, W. T. Wang, S. P. Feng, A. M. Ng, A. B. Djurišić, Substrate Modifications for Stability Improvements of Flexible Perovskite Solar Cells, Energy Technology, 2300958, 2024.

Y. Wang, C. Yang, Z. Wang, G. Li, Z. Yang, X. Wen, X. Hu, Y. Jiang, S. P. Feng, Y. Chen, G. Zhou, J. M. Liu, J. Gao, A Self-assembled 3D/0D Quasi-core-shell Structure as Internal Encapsulation Layer for Stable and Efficient FAPbI3 Perovskite Solar Cells and Modules, Small, 20, 2306954, 2023.

C. Chen, S. J. Cherng, C. He, C. C. Chung, S. Wang, Y. T. Huang, S. P. Feng, Nanotwinning-assisted Structurally Stable Copper for Fine-pitch Redistribution Layer in 2.5D/3D IC Packaging, Journal of Materials Research and Technology, 27, 4883-4890, 2023.

S. Gu, J. Chen, I. Hussain, Z. Wang, X. Chen, M. Ahmad, S. P. Feng, Z. Lu, K. Zhang, Modulation of Radical Intermediates in Rechargeable Organic Batteries, Advanced Materials, 2306491, 2023.

Q. Li, D. Yu, S. Wang, X. Zhang, Y. Li, S. P. Feng, W. Liu, High Thermopower of Agarose-based Ionic Thermoelectric Gel Through Micellization Effect Decoupling the Cation/Anion Thermodiffusion, Advanced Functional Materials, 33, 2305835, 2023.

H. A. E. Omr, R. Putikam, S. P. Feng, M. C. Lin, H. Lee, Synergistic Role of Cu-C and Cu-N Dual Bonding of Nanostructured g-C3N4/Cu2SnS3 Photocatalysts for Efficient CO2 Conversion to CO, Applied Catalysis B: Environmental, 123103, 2023.

G. Peng, Q. Zheng, G. Luo, D. Zheng, S. P. Feng, U. Khan, A. R. Akbar, H. Luo, F. Liu, A Gradient Lithiophilic Structure for Stable Lithium Metal Anodes with Ultrahigh Rate and Ultradeep Capacity, Small, 2303787, 2023.

Y. Han, H. Wei, Y. Du, Z. Li, S. P. Feng, B. Huang, D. Xu, Ultrasensitive Flexible Thermal Sensor Arrays Based on the High-thermopower Ionic Thermoelectric Hydrogel, Advanced Science, 2302685, 2023.

Z. Wang, M. Zhang, J. Hu, Z. Li, W. Zhang, J. Zhang, Z. Wang, X. Guo, C. Yan, H. Yuan, M. Li, Y. Li, X. Sun, Z. Xu, S. P. Feng, Z. Lu, Polymetric Carbon Nitride Loaded with Atomic Cu Sites for Improved CO2 Photocatalytic Conversion Performance, Journal of Power Sources, 577, 233188, 2023.

S. P. Feng, Electrochemical Nanotechnology for Energy Harvesting and Semiconductor Manufacturing, 2023 Maritime Silk Road International Conference on the Cooperation and Integration of Industry, Education, Research, and Application - Physics, Keynote talk, Guangzhou, China, 13-14 November 2023.

Z. Wang, G. Li, Y. Feng, J. Liu, S. P. Feng, G. Zhou, J. Gao, Co-solvent Engineering Contributing to Achieve High-performance Perovskite Solar Cells and Modules Based on Anti-Solvent Free Technology, Small, 2301323, 2023.

J. Liu, N. Liu, G. Li, Y. Wang, Z. Wang, Z. Zhang, D. Xu, Y. Jiang, X. Gao, X. Lu, S. P. Feng, G. Zhou, J. M. Liu, J. Gao, Cinnamate-functionalized Cellulose Nanocrystals as Interfacial Layers for Efficient and Stable Perovskite Solar Cells, ACS Applied Materials & Interfaces, 15, 1, 1348–1357, 2023.

C. Liu, S. Wang, S. P. Feng, N. X. Fang, Portable Green Energy out of the Blue: Hydrogel-based Energy Conversion Devices, Soft Science, 3, 2023.

S. P. Feng, Y, Cheng, H. L. Yip, Y. Zhong, W. K. Fong, G. Li, A. Ng, C. Chen, L. A. Castriotta, F. Matteocci, L. Vesce, D. Saranin, A. D. Carlo, P. Wang, H. J. Wie, H. Yi, L. Fen, A. Aberle, Z. Song, Y. Yan, X. Chen, Y. M. Y, A. A. Syed, I. Ahmad, T. Leung, Y. Wang, J. Lin, A. M. C. Ng, Y. Li, F. Ebadi, W. Tress, G. Richardson, C. Ge, H. Hu, M. Karimipour, F. Baumann, K. Tabah, C. Pereyra, S. Raga, H. Xie, M. L-Cantu, M. V. Khenkin, I. V-Fisher, E. A. Katz, Y. Vaynzof, R. Vidal, G. Yu, H. Lin, S. Weng, S. Wang, A. B. Djurisic, Roadmap on Commercialization of Metal Halide Perovskite Photovoltaics, Journal of Physics: Materials, 6, 032501, 2023.

C. Chen, J. Gao, S. P. Feng, The Strategies for Widening Processing Windows for Perovskite Solar Cells: A Mini Review on the Role of Solvent/Antisolvent, International Materials Reviews, 68, 301-322, 2023.

S. P. Feng, C. Liu, Q. Li, Stretchable Ionic Hydrogel with High Thermopower for Low-grade Heat Harvesting, US 11,678,579 B2, CN 113571628 B.

M. Chen, Z. Zhou, N. Huang, H. Lee, Y. Liu, J. Yang, S. Hu, X. Huan, Z. Xu, S. Cao, X. Cheng, T. Wang, S. Yu, B. P. Chan, J. Tang, S. P. Feng, J. T. Kim, 3D Printing of Arbitrary Perovskite Nanowire Heterostructures, Advanced Functional Materials, 33, 2212146, 2023.

S. P. Feng, Ionic Thermoelectric Conversion for Low-Grade Heat Recovery (Keynote Speech), Forum of Thermoelectric Materials and Devices, Chinese Materials Conference, Shenzhen, China, 7-10 July 2023.

H. A. E. Omr, R. Putikam, M. K. Hussien, A. Sabbah, T. Y. Lin, K. H. Chen, H. L. Wu, S. P. Feng, M. C. Lin, H. Lee, Design of Sculptured SnS/g-C3N4 Photocatalytic Nanostructure for Highly Efficient and Selective CO2 Conversion to Methane, Applied Catalysis B: Environmental, 324, 122231, 2023.

C. Cheng, S. P. Feng, M. Ni, Numerical Study of Electrochemical Thermocells for Harvesting Low-grade Waste Heat, HKIE Transactions, 2022. (HKIE outstanding paper award)

B. Cao, B. Liu, Z. Xi, Y. Cheng, X. Xu, P. Jing, R. Cheng, S. P. Feng, J. Zhang, Rational Design of Porous Nanowall Arrays of Ultrafine Co4N Nanoparticles Confined in a La2O2CN2 Matrix on Carbon Cloth for a High-performing Supercapacitor Electrode, ACS Applied Materials & Interfaces, 14, 47517-47528, 2022.

S. Huang, Y. Jin, M. Zhang, K. Yan, S. P. Feng, J. C. Lam, MoS2-catalyzed Selective Electrocatalytic Hydrogenation of Aromatic Aldehydes in an Aqueous Environment, Green Chemistry, 24, 7974-7987, 2022.

J. Gao, J. Zhou, W. Cong, X. Ma, K. Jiang, C. Li, H. C. Shum, S. P. Feng, J. R. Long, D. M. Shin, Engineered Networking in A Family of Solvent-free Single-ion Conducting Borate Network Polymer Electrolytes for Li-metal Battery Applications, Chemical Engineering Journal, 450, 138407, 2022.

S. Zhou, L. Long, Z. Yang, S. So, B. Gan, H. Guo, S. P. Feng, C. Y. Tang, Unveiling the Growth of Polyamide Nanofilms at Water/Organic Free Interfaces: Toward Enhanced Water/Salt Selectivity, Environmental Science & Technology, 56, 10279-10288, 2022.

S. Puchakayala, U. Balijapalli, S. P. Feng, Wireless Accessing of Salivary Biomarkers based Wearable Electrochemical Sensors: A Mini-Review, Electrochemistry Communications, 140, 107314, 2022.

Y. Wang, Y. T. Huang , Y. X. Liu, S. P. Feng , M. X. Huang, Thermal Instability of Nanocrystalline Cu Enables Cu-Cu Direct Bonding in Interconnects at Low Temperature, Scripta Materialia, 220, 114900, 2022.

C. Cheng, S. Wang, Y. Wu, T. Liu, S. P. Feng, M. Ni, pH-sensitive Thermally Regenerative Cell (pH-TRC) with Circulating Hydrogen for Long Discharging Time and High-power Output, Chemical Engineering Journal, 449, 137772, 2022.

Y. Wang, J. Lin, Y. He, Y. Zhang, Q. Liang, F. Liu, Z. Zhou, C. C. S. Chan, G. Li, S. P. Feng, A. M. C. Ng, K. S. Wong, J. Popović, A. B. Djurišić, Improvement in the Performance of Inverted 3D/2D Perovskite Solar Cells by Ambient Exposure, Solar RRL, 6, 2200224, 2022.

C. Liu, S. Wang, X. Wang, J. Mao, Y. Chen, N. X. Fang, S. P. Feng, Hydrovoltaic Energy Harvesting from Moisture Flow Using an Ionic Polymer–Hydrogel–Carbon Composite, Energy & Environmental Science, 15, 2489-2498, 2022.

K. Mu, Y. Mu, X. Wang, X. Wu, C. Pang, Y. T. Huang, S. P. Feng, Direct Thermal Charging Cell Using Nickel Hexacyanoferrate (ΙΙ) Anode for Green Recycling of Low-grade Heat, ACS Energy Letters, 7, 1146-1153, 2022.

Y. Wu, Y. Luo, P. K. Chu, T. J. Cuthbert, A. V. Shokurov, S. P. Feng, C. Menon, Hydrogels as Soft Ionic Conductors in Flexible and Wearable Triboelectric Nanogenerators, Advanced Science, 9, 2106008, 2022. 

C. Liu, Q. Li, S. Wang, W. Liu, N. X. Fang, S. P. Feng, Ion Regulation in Double-network Hydrogel Module with Ultrahigh Thermopower for Low-grade Heat Harvesting, Nano Energy, 92, 106738, 2022. 

Y. Du, S. Liu, Z. Zhou, H. Lee, T. Ho, S. P. Feng, C. Tso, Study on the Halide Effect of MA4PbX6·2H2O Hybrid Perovskites – from Thermochromic Properties to Practical Deployment for Smart Windows, Materials Today Physics, 23, 100624, 2022.

S. P. Feng, 3D IC Stacking Technology, Technology Center 2800, United States Patent and Trademark Office, USA, 4 May 2022.

C. Chen, Z. Zhou, Y. Jiang, Y. Feng, Y. Fang, J. Liu, M. Chen, J. Liu, J. Gao, S. P. Feng, Additive Engineering in Antisolvent for Widening Processing Window and Promoting Perovskite Seed Formation in Perovskite Solar Cells, ACS Applied Materials & Interfaces, 14, 17348-17357, 2022.

S. P. Feng, Electrochemical Nanotechnology for Energy Applications and Semiconductor Manufacturing, Advanced Materials Lecture Series (IAAM Scientist Medal), Dubai, UAE, 05-12 March 2022.

Y. Luo, Y. Wu, C. Menon, C. Huang, S. P. Feng, P. K. Chu, Plasma Modified and Tailored Defective Electrocatalysts for Water Electrolysis and Hydrogen Fuel Cells, EcoMat, 4, e12197, 2022.

Y. Luo, D. Wu, Z. Li, X. Y. Li, Y. Wu, S. P. Feng, C. Menon, H. Chen, P. K. Chu, Plasma Functionalized MoSe2 for Efficient Nonenzymatic Sensing of Hydrogen Peroxide in Ultra-wide pH Range, SmartMat, 3, 491-502, 2022.

Y. Wu, Y. Mu, Y. Luo, C. Menon, Z. Zhou, P. Chu, S. P. Feng, Hofmeister Effect and Electrostatic Interaction Enhanced Ionic Conductive Organohydrogels for Electronic Applications, Advanced Functional Materials, 32, 2110859, 2022.

Z. Xu, L. Wang, X. Huan, H. K. Lee, J. H. Yang, Z. Zhou, M. Chen, S. Hu, Y. Liu, S. P. Feng, T. Zhang, F. Xu, Z. Chu, J. T. Kim, On-demand, Direct Printing of Nanodiamonds at the Quantum Level, Advanced Science, 9, 2103598, 2022.

S. P. Feng, Y. T. Huang, W. T. Wang, C. Liu, K. Mu, Electrochemical Nanotechnology for Energy Applications and Semiconductor Manufacturing, Video Proceedings of Advanced Materials, 3, 2203271, 2022.

S. P. Feng, M. Ni, C. Cheng, S. Wang, Chapter 6 - Liquid-based Electrochemical Systems for the Conversion of Heat to Electricity, Low-Grade Thermal Energy Harvesting, 109-140, 2022.

S. P. Feng, Low-grade heat recovery, Carbon Neutrality Task Force - Renewable Energy Development, EMSD, Hong Kong, 25 February 2022.

C. Chen, Y. Jiang, Y. Feng, Z. Li, J. Liu, Y. Wu, N. Cao, G. Zhou, J. M. Liu, S. P. Feng, J. Gao, Understanding the Effect of Antisolvent on Processing Window and Efficiency for Large-scale Flexible Perovskite Solar Cells, Materials Today Physics, 21, 100565, 2021.

Y. Wu, J. Qu, P. K. Chu, D. M. Shin, Y. Luo, S. P. Feng, Hybrid Photovoltaic-triboelectric Nanogenerators for Simultaneously Harvesting Solar and Mechanical Energies, Nano Energy, 89, 106376, 2021.

C. He, W. Mo, Y. Zheng, S. P. Feng, B. Luo, A SECM Study of Redox Activity on Al-Mg-Si Alloy in Organic/Aqueous Solution, Journal of Alloys and Compounds, 888, 161595, 2021.

C. Cheng, S. Wang, Y. Wu, I. T. Bello, Y. Dai, R. Cheng, S. Zhai, Y. Wang, S. P. Feng, M. Ni, Thermally Regenerative CO2-induced pH-gradient Cell for Waste-to-energy Conversion, ACS Energy Letters, 6, 3221-3227, 2021.

Y. Luo, Y. Wu, B. Li, J. Tian, J. Qu, S. P. Feng, P. K. Chu, Optimization and Cutting-edge Design of Fuel-cell Hybrid Electric Vehicles, International Journal of Energy Research, 45, 18392-18423, 2021.

Y. Wu, J. Qu, X. Zhang, K. Ao, Z. Zhou, Z. Zheng, Y. Mu, X. Wu, Y. Luo, S. P. Feng, Biomechanical Energy Harvesters Based on Ionic Conductive Organohydrogels via the Hofmeister Effect and Electrostatic Interaction, ACS Nano, 15, 13427-13435, 2021. 

M. Chen, S. Hu, Z. Zhou, N. Huang, S. H. Lee, Y. Zhang, R. Cheng, J. H. Yang, Z. Xu, Y. Liu, H. K. Lee, X. Huan, S. P. Feng, H. Shum, B. P. Chan, S. K. Seol, J. Y. Pyo, J. T. Kim, Three-dimensional Perovskite Nanopixels for Ultra-high-resolution Color Displays and Multi-level Anticounterfeiting, Nano Letters, 21, 5186-5194, 2021.

Y. Luo, Y. Wu, B. Li, T. Mo, Y. Li, S. P. Feng, J. Qu, P. K. Chu, Development and Application of Fuel Cells in the Automobile Industry, Journal of Energy Storage, 42, 103124, 2021.

X. Kong, Z. Li, Y. Jiang, Z. Xu, S. P. Feng, G. Zhou, J. M. Liu, J. Gao, Improving Stability and Efficiency of Perovskite Solar Cells via A Cerotic Acid Interfacial Layer, Surfaces and Interfaces, 25, 101163, 2021.

J. Yang, M. Chen, H. Lee, Z. Xu, Z. Zhou, S. P. Feng, J. T. Kim, Three-dimensional Printing of Self-assembled Dipeptides, ACS Applied Materials & Interfaces, 13, 20573-20580, 2021.

Y. Cheng, J. Gong, B. Cao, X. Xu, P. Jing, R. Cheng, S. P. Feng, B. Liu, R. Gao, J. Zhang, Ultrafine VN Nanodots Induced Generation of Abundant Cobalt Single-atom Active Sites on Nitrogen-doped Carbon Nanotube for Efficient Hydrogen Evolution, Journal of Energy Chemistry, 68, 646-657, 2022.

L. Wang, R. Cheng, W. Wang, G. Yang, M. K.H. Leung, F. Liu, S. P. Feng, Dual-electrolyte Aluminum/Air Microfluidic Fuel Cell with Electrolyte-recirculation, Electrochimica Acta, 388, 138584, 2021.

S. Liu, Y. W. Du, C. Y. Tso, H. H. Lee, R. Cheng, S. P. Feng, K. M. Yu, Organic Hybrid Perovskite (MAPbI3-xClx) for Thermochromic Smart Window with Strong Optical Regulation Ability, Low Transition Temperature and Narrow Hysteresis Width, Advanced Functional Materials, 31, 2010426, 2021.

S. Liu, C. Y. Tso, H. H. Lee, Y. Du, K. M. Yu, S. P. Feng, B. Huang, Self-densified Optically Transparent VO2 Thermochromic Wood Film for Smart Windows, ACS Applied Materials & Interfaces, 13, 22495–22504, 2021.

W. Chen, B. Han, Q. Hu, M. Gu, Y. Zhu, W. Yang, Y. Zhou, D. Luo, F. Z. Liu, R. Cheng, B. Tu, X. Feng, R. Zhu, S. P. Feng, A. B. Djurišić, T. P. Russell, Z. He, Interfacial Stabilization for Inverted Perovskite Solar Cells with Long-term Stability, Science Bulletin, 66, 991-1002, 2021.

Z. Zhou, Q. Wu, R. Cheng, H. Zhang, S. Wang, M. Chen, M. Xie, P. K. L. Chan, M. Grätzel, S. P. Feng, Orientation-engineered Small-molecule Semiconductors as Dopant-free Hole Transporting Materials for Efficient and Stable Perovskite Solar Cells, Advanced Functional Materials, 31, 2011270, 2021.

Z. Zheng, Y. T. Huang, Z. Wang, M. Zhang, W. T. Wang, C. C. Chung, S. J. Cherng, Y. H. Tsai, P. C. Li, Z. Lu, C. M. Chen, S. P. Feng, Electrodeposition of (111)-oriented and Nanotwin-doped Nanocrystalline Cu with Ultrahigh Strength for 3D IC Application, Nanotechnology, 32, 225702, 2021.

R. Cheng, C. C. Chung, S. Wang, B. Cao, M. Zhang, M. Chen, S. Shen, S. P. Feng, Three-dimensional Self-attaching Perovskite Quantum Dots/Polymer Platform for Efficient Solar-driven CO2 Reduction, Materials Today Physics, 17, 100358, 2021.

C. Cheng, S. Wang, P. Tan, Y. Dai, J. Yu, R. Cheng, S. P. Feng, M. Ni, Insights into the Thermopower of Thermally Regenerative Electrochemical Cycle for Low Grade Heat Harvesting, ACS Energy Letters, 6, 329-336, 2021.

P. C. Chiang, Y. A. Shen, S. P. Feng, C. M. Chen, Electrodeposition of Twinned Cu with Strong Texture Effect on Voiding Propensity in Electroplated Cu Solder Joints, Journal of The Electrochemical Society, 167, 162516, 2021. 

M. X. Huang, S. P. Feng, Cu-Cu Direct Welding for Packaging Application in Semiconductor Industry, US Appl. 63/126069, PCT/CN2021/137846.

S. P. Feng, Direct Thermal Charging Cell for Low-grade Heat to Electricity Conversion, 30th Topical Meeting of the International Society of Electrochemistry (ISE), Taipei, Taiwan, 22-24 November 2021.

S. P. Feng, From Heat to Electricity, From Laboratory to Startup, CBE (Chemical and Biological Engineering) Seminar, Hong Kong University of Science and Technology, 15 October 2021.

C. Cheng, Y. Dai, J. Yu, C. Liu, S. Wang, S. P. Feng, M. Ni, Review of Liquid-based Systems to Recover Low-grade Waste Heat for Electrical Energy Generation, Energy & Fuels, 35, 161-175, 2021.

S. P. Feng, X. Wang, Y. T. Huang, K. Mu, Direct Thermal Charging Cell for Low-Grade Heat to Electricity Conversion, Video Proceedings of Advanced Materials, 2, 2105184, 2021.

S. P. Feng, W. T. Wang, Dynamic Urea Bond-Based Passivators of Perovskite, US 11,578,417 B2.

Y. Wang, A. B. Djurišić, W. Chen, F. Liu, R. Cheng, S. P. Feng, A. M. C. Ng, Z. He, Metal Oxide Charge Transport Layers in Perovskite Solar Cells - Optimising Low Temperature Processing and Improving the Interfaces Towards Low Temperature Processed, Efficient and Stable Devices, Journal of Physics: Energy, 3, 012004, 2021.

J. Chen, Z. Wang, H. Lee, J. Mao, C. A. Grimes, C. Liu, M. Zhang, Z. Lu, Y. Chen, S. P. Feng, Efficient Electroreduction of CO2 to CO by Ag Decorated S-doped g-C3N4/CNT Nanocomposites at Industrial-scale Current Density, Materials Today Physics, 12, 100176, 2020.

M. Zhang, M. Wu, Z. Wang, R. Cheng, D. Y. C. Leung, Z. Lu, S. P. Feng, Efficient sunlight driven CO2 Reduction on Graphene-wrapped Cu-Pt/ rTiO2 @ SiO2, Materials Science for Energy Technologies, 3, 734-741, 2020.

P. Swetha, J. Chen, A. S. Kumar, S. P. Feng, High index facets-Ag nanoflower enabled efficient electrochemical detection of lead in blood serum and cosmetics, Journal of Electroanalytical Chemistry, 878, 114657, 2020.

R. Cheng, S. P. Feng, Role of Formamidinium in the Crystallization of FAxMA1-xPbI3-yCly Perovskite via Recrystallization-assisted Bath-immersion Sequential Ambient Deposition, Journal of Power Sources, 477, 228736, 2020.

J. N. Liu, M. C. Sil, R. Cheng, S. P. Feng, C. M. Chen, Surface silanization of polyimide for autocatalytic metallization, The Journal of The Minerals, Metals & Materials Society (JOM), 72, 3529-3537, 2020. 

L. Wang, R. Cheng, C. Liu, M. C. Ma, W. Wang, G. Yang, M. K. H. Leung, F. Liu, S. P. Feng, Tri-electrolyte Aluminum/Air Cell with High Stability and Voltage Beyond 2.2 V, Materials Today Physics, 14, 100242, 2020.

Z. Wang, H. Lee, J. Chen, M. Wu, D.Y.C. Leung, C. A. Grimes, Z. Lu, Z. Xu, S. P. Feng, Synergistic effects of Pd–Ag bimetals and g-C3N4 photocatalysts for selective and efficient conversion of gaseous CO2, Journal of Power Sources, 466, 228306, 2020.

C. G. Han, X. Qian, Q. Li, B. Deng, Y. Zhu, Z. Han, W. Zhang, W. Wang, S. P. Feng, G. Chen, W. Liu, Giant Thermopower of Ionic Gelatin Near Room Temperature, Science, 368, 1091-1098, 2020.

B. Peng, X. Ji, M. Chu, J. Liu, Y. Li, M. Chen, Z. Zhou, C. Zhang, Q. Miao, H. Dong, B. Huang, W. Hu, S. P. Feng, W. D. Li, K. L. Chan, A Transfer Method for Organic Semiconductor Towards High-mobility, Bias-stable, and Flexible Field Effect Transistors, Advanced Materials Technologies, 5, 2000169, 2020.

S. Sorcar, S. Yoriya, H. Lee, C. Grimes, S. P. Feng, A Review of Recent Progress in Gas Phase CO2 Reduction and Suggestions on Future Advancement, Materials Today Chemistry, 16, 100264, 2020.

J. Wang, Z. Xiong, M. Liu, X. M. Li, J. Zheng, X. Zhan, W. Ding, J. Chen, X. Li, X. Li, S. P. Feng, J. Tang, Rational Design of Reversible Redox Shuttle for Highly Efficient Light-driven Microswimmer, ACS Nano, 14, 3272-3280, 2020.

S. P. Feng, C. Liu, Q. Li, High-Thermopower and Stretchable Ionic Thermoelectric (i-TE) Hydrogel, US Appl. 63/017066.

W. T. Wang, P. Chen, C. H. Chiang, T. F. Guo, C. G. Wu, S. P. Feng, Synergistic Reinforcement of Built-in Electric Fields for Highly Efficient and Stable Perovskite Photovoltaics, Advanced Functional Materials, 30, 1909755, 2020.

W. D. Li, J. Cai, S. P. Feng, M. Zhang, Imprinted Metallization on Polymeric Substrates, US 10874020 B2.

K. Mu, X. Wang, K. H. Li, S. P. Feng, Asymmetric Thermoelectrochemical Cell for Harvesting Low-grade Heat under Isothermal Operation, Journal of Visualized Experiments (JoVE), 156, e60768, 2020.

J. Chen, Z. Wang, J. Mao, C. Liu, Z. Lu, Y. Chen, S.P. Feng, Bimetallic Ag-Cu Nanosheets Assembled Flower-like Structure for Oxygen Reduction Reaction, Journal of Alloys and Compounds, 856, 157379, 2020. 

A. Khan, C. Liang, Y. T. Huang, C. Zhang, J. Cai, S. P. Feng, W. D. Li, Template‐Electrodeposited and Imprint-transferred Microscale Metal-mesh Transparent Electrodes for Flexible and Stretchable Electronics, Advanced Engineering Materials, 21, 1900723, 2019.

M. Chen, J. Yang, Z. Wang, Z. Xu, H. Lee, H. Lee, Z. Zhou, S. P. Feng, S. Lee, J. Pyo, S. K. Seol, D. K. Ki, J. T. Kim, 3D Nanoprinting of Perovskites, Advanced Materials, 31, 1904073, 2019. (Featured as front cover)

L. Chen, J. Cai, J. Li, S. P. Feng, G. Wei, W. D. Li, Nanostructured Texturing of CH3NH3PbI3 Perovskite Thin Film on Flexible Substrate for Photodetector Application, Organic Electronics, 71, 284-289, 2019.

X. Wang, Y. T. Huang, C. Liu, K. Mu, K. H. Li, S. Wang, Y. Yang, L. Wang, C. H. Su, S. P. Feng, Direct Thermal Charging Cell for Converting Low-grade Heat to Electricity, Nature Communications, 10, 4151, 2019. (Featured in editor's highlights) 

R. Cheng, C. C. Chung, H. Zhang, F. Liu, W. T. Wang, Z. Zhou, S. Wang, A. B. Djurišić, S. P. Feng, Tailoring Triple-anion Perovskite Material for Indoor Light Harvesting with Restrained Halide Segregation and Record High Efficiency Beyond 36%, Advanced Energy Materials, 9, 1901980, 2019. (Featured as front cover)

X. Zhan, J. Wang, Z. Xiong, X. Zhang, Y. Zhou, J. Zheng, J. Chen, S.P. Feng, J. Tang, Enhanced Ion Tolerance of Electrokinetic Locomotion in Polyelectrolyte Coated Microswimmer, Nature Communications, 10, 3921, 2019. 

Z. Zhou, Q. Wu, S. Wang, Y. T. Huang, H. Guo, S.P. Feng, P.K.L. Chan, Field-effect Transistors Based on Two-dimensional Organic Semiconductors Developed by a Hybrid Deposition Method, Advanced Science, 6, 1900775, 2019.

Y. T. Huang, H. Lee, W. D. Li, S. P. Feng, Engineered Platinum Nanoparticles via Pulse Electrochemical Deposition for Bifacially Transparent and Efficient Full-plastic Dye-sensitized Solar Cells, Journal of Power Sources, 435, 226801, 2019.

C. Liu, Q. Song, J. Chen, X. Li, J. Cai, Z. Lu, W. D. Li, N. X. Fang, S. P. Feng, Electromagnetic and Chemical Enhancements of Surface-enhanced Raman Scattering Spectra from Cu2O Hexagonal Nanoplates, Advanced Materials Interfaces, 6, 1900534, 2019.

S. T. Tsai, P. C. Chiang, C. Liu, S. P. Feng, C. M. Chen, Suppression of Void Formation at Sn/Cu Joint Due to Twin Formation in Cu Electrodeposit, The Journal of The Minerals, Metals & Materials Society (JOM), 71, 3012-3022, 2019. 

Z. Zheng, P. C. Chiang, Y. T. Huang, W. T. Wang, P. C. Li, Y. H. Tsai, C. M. Chen, S. P. Feng, Study of Grain Size Effects of Cu Metallization on Interfacial Microstructures of Solder Joints, Microelectronics Reliability, 99, 44-51, 2019.

Z. Xu, M. Chen, H. Lee, S. P. Feng, J. Y. Park, S. Lee, J. T. Kim, X-ray-powered Micromotors, ACS Applied Materials & Interfaces, 11, 15727-15732, 2019. 

J. Cai, M. Zhang, Z. Sun, C. Zhang, C. Liang, A. Khan, X. Ning, H. Ge, S. P. Feng, W. D. Li, Highly-facile Template-based Selective Electroless Metallization of Micro- and Nanopatterns for Plastic Electronics and Plasmonics, Journal of Materials Chemistry C, 7, 4363-4373, 2019.

S. P. Feng, X. Wang, Thermo-electrochemical Cell for Converting Heat to Electricity, International Conference on Flexible & Printed Optoelectronic Materials and Devices (ICFPOE 2019), Changsha, China, 20-22 September 2019.

S. P. Feng, Asymmetric Thermo-electrochemical Cell for Low-Grade-Heat-to-Electricity Conversion, The 2019 EITA Conference on New Materials, Nanotechnology, Healthcare, New Energy and Sustainable Smart Manufacturing, National Chiao-Tung University, Hsinchu, Taiwan, 11-12 September 2019.

R. Cheng, C. C. Chung, H. Zhang, Z. Zhou, P. Zhai, Y. T. Huang, H. Lee, S. P. Feng, An Air Knife-assisted Recrystallization Method for Ambient-process Planar Perovskite Solar Cells and Its Dim-light Harvesting, Small, 15, 1804465, 2019.

Z. Yang, X. Huang, X. Ma, Z. Zhou, H. Guo, Z. Yao, S. P. Feng, C. Y. Tang, Fabrication of a Novel and Green Thin-film Composite Membrane Containing Nanovoids for Water Purification, Journal of Membrane Science, 570, 314-321, 2019.

S. P. Feng, W. T. Wang, Y. T. Huang, Nano-Twinned Copper Film Prepared by Water/Alcohol-Soluble Organic Additives and Method of Fabricating The Same, US 11,578,417 B2, CN Appl. 201911377579.2.

X. H. Li, C. Liu, S. P. Feng, N. X. Fang, Broadband Light Management with Thermochromic Hydrogel Microparticles for Smart Windows, Joule, 3, 290-302, 2019.

S. P. Feng, Asymmetric Thermo-Electrochemical Cell for Low-Grade-Heat-toElectricity Conversion, MRS Fall Meeting, Boston, MA, USA, 1-6 December 2019.

Z. Yang, Z. Zhou, H. Guo, Z. Yao, X. Ma, X. Song, S. P. Feng, C. Tang, Tannic Acid/Fe3+ Nanoscaffold for Interfacial Polymerization: Toward Enhanced Nanofiltration Performance, Environmental Science & Technology, 52, 9341-9349, 2018.

J. Chen, C. Liu, Y. T. Huang, H. Lee, S. P. Feng, Study of the Growth Mechanisms of Nanoporous Ag Flowers for Non-enzymatic Glucose Detection, Nanotechnology, 29, 505501, 2018 (Featured as front cover).

X. Wang, S. P. Feng, Thermal-Charging Electrochemical Cell for Converting Low-Grade Heat in Isothermal Operation, 2018 MRS Fall, Boston, Massachusetts, USA, 25-30 November 2018.

Z. Zhou, Z. Zhang, Q. Wu, X. Ji, J. Wang,  X. C. Zeng, S. P. Feng, P. K. L. Chan, Inch-scale Grain Boundary Free Organic Crystals Developed by Nucleation Seed-controlled Shearing Method, ACS Applied Materials & Interfaces, 10, 35395-35403, 2018.

P. Swetha, S. P. Feng, High-index Facet Defined Shaped-controlled Electrochemical Synthesis of Nanocrystals, Electrochemistry Communications, 94, 64-69, 2018.

N. X. Fang, X. Li, C. Liu, S. P. Feng, Synthesis and Application of Light Management with Thermochromic Hydrogel Microparticles, US Appl. 62/756260, PCT/US2019/60002.

P. Zhai, R. Cheng, L. Ren, Y. T. Huang, H. Lee, S. P. Feng, In-situ Interface Engineering of TiO2 Nanocrystals for Fully Ambient-processed Perovskite Solar Cells, Solar RRL, 2, 1800103, 2018.

K. W. Kwan, S. J. Li, N. Y. Hau, W. D. Li, S. P. Feng, A. H. W. Ngan, Light-stimulated Actuators Based on Nickel Hydroxide-oxyhydroxide, Science Robotics, 3, eaat4051, 2018.

J. Chen, S. P. Feng, Bimetallic Ag-Cu Nanosheets Assembled Flower-like Structure for Oxygen Reduction Reaction, 2018 MRS Fall, Boston, Massachusetts, USA, 25-30 November 2018.

S. P. Feng, Thermal-Charing Effect for Heat-to-Electricity Conversion, Research Institute for Sustainable Urban Development Annual International Symposium 2018 (RAIS 2018), The Hong Kong Polytechnic University (PolyU), 29-30 June 2018.

H. Lee, Y. T. Huang, M. W. Horn, S. P. Feng, Engineered Optical and Electrical Performance of RF–sputtered Undoped Nickel Oxide Thin Films for Inverted Perovskite Solar Cells, Scientific Reports, 8, 5590, 2018.

R. Cheng, S. P. Feng, Horizontal Expansion for Ambient-processed Large-grain Perovskite Solar Cells, IPS-22, Hefei, China, 29 July - 3 August 2018.

Y. C. Tseng, H. Lee, N. Y. Hau, S. P. Feng, C. M. Chen,  Electrodeposition of Ni on Bi2Te3 and Interfacial Reaction Between Sn and Ni-coated Bi2Te3, Journal of Electronic Materials, 47, 27-34, 2018.

S. P. Feng, X. Wang, Y. T. Huang, Z. Zheng, L. Wang, K. H. Li, K. Mu, Thermo-electric Capacitor, US 11,626,256 B2,  PCT/CN2019/071777, TW 201935723.

X. Wang, S. P. Feng, Thermal Capacitive Electrochemical Cycle on Carbon-based Supercapacitor for Converting Low-grade Heat to Electricity, Frontiers in Mechanical Engineering, 3, 20, 2017.

Y. T. Huang, A. Dodda, D. S. Schulman, A. Sebastian, S. P. Feng, S. Das, Anomalous Corrosion of Bulk Transition Metal Diselenides Leading to Stable Monolayers, ACS Applied Materials & Interfaces, 9, 39059-39068, 2017.

C. Liu, Y. H. Chang, J. Chen, S. P. Feng, Electrochemical Synthesis of Cu2O Concave Octahedrons with High-index Facets and Enhanced Photoelectrochemical Activity, ACS Applied Materials & Interfaces, 9, 39027-39033, 2017.

P. Zhai, Y. Wang, C. Liu, X. Wang, S. P. Feng, Electric-field-tunable Conductivity in Graphene/Water and Graphene/Ice Systems, Small, 13, 1701149, 2017.

J. Chen, C. Liu, S. P. Feng, Electrochemical Preparation and Kinetic Study of Porous Nanostructured Ag Flower for Non-enzymatic Glucose Sensing, 2017 MRS Fall, Boston, Massachusetts, USA, 26 November - 1 December 2017.

R. Cheng, P. Zhai, H. Lee, S. P. Feng, Quantum-dot TiO2 Hole-blocking Layer for n-i-p Planar Perovskite Solar Cells, 2017 MRS Fall, Boston, Massachusetts, USA, 26 November - 1 December 2017.

K. W. Kwan, N. Y. Hau, S. P. Feng, A. H. W. Ngan, Electrochemical Actuation of Nickel Hydroxide/Oxyhydroxide at Sub-volt Voltages, Sensors and Actuators B: Chemical, 248, 657-664, 2017.

A. Khan, Y. T. Huang, S. P. Feng, W. D. Li, Flexible Transparent Electrode with Embedded Metal Mesh Fabricated via Templatebased Electrodeposition for Full-Plastic Bifacial Dye-sensitized Solar Cells, 61st EIPBN, Orlando, FL, USA, 30 May - 2 June 2017.

Y. H. Chang, C. Liu, S. Rouvimov, T. Luo, S. P. Feng, Electrochemical Synthesis to Convert a Ag Film to Ag Nanoflowers with High Electrocatalytic Activity, Chemical Communications, 53, 6752-6755, 2017.

H. Lee, Y. T. Huang, S. P. Feng, Nickel Oxide Thin Films by Radio Frequency Sputter for Inverted Perovskite Solar Cells, PVSC-44, Washington D.C., USA, 25-30 June 2017.

C. F. Lin, N. Y. Hau, Y. T. Huang, Y. H. Chang, S. P. Feng, C. M. Chen, Synergetic Effect of Bi2Te3 Alloys and Electrodeposition of Ni for Interfacial Reactions at Solder/Ni/Bi2Te3 Joints, Journal of Alloys and Compounds, 708, 220-230, 2017.

R. Cheng, S. P. Feng, Fully Ambient Fabrication of Large-grain CH3NH3PbI3-xClx Monolayer for High Efficiency n-i-p Planar Perovskite Solar Cell, Golden-triangle Conference, Hong Kong, 23 August 2017.

L. Xu, F. Dong, H. Zhuang, W. He, M. Ni, S. P. Feng, P. H. Lee, Energy Upcycle in Anaerobic Treatment: Ammonium, Methane, and Carbon Dioxide Reformation through Hybrid Electroeionization-solid Oxide Fuel Cells System, Energy Conversion and Management, 140, 157-166, 2017.

A. Khan, Y. T. Huang, T. Miyasaka, M. Ikegami, W. D. Li, S. P. Feng, Solution-Processed Transparent Nickel-Mesh Counter Electrode with in-Situ Electrodeposited Platinum Nanoparticles for Full-Plastic Bifacial Dye-Sensitized Solar Cells, ACS Applied Materials & Interfaces, 9, 8083-8091, 2017.

S. P. Feng, Y. H. Chang, C. Liu, Electrochemical Fabrication of Functional Ag Nanocrystals with Highly Electrocatalytic Activity, TMS 2017 146th Annual Meeting and Exhibition, San Diego Convention Center and Marriott Marquis & Marina, San Diego, California, USA, 26 February - 2 March 2017.

X. Wang, S. P. Feng, Thermal Capacitive Electrochemical Cycle on Supercapacitor, 2017 MRS Fall, Boston, Massachusetts, USA, 26 November - 1 December 2017.

Y. T. Huang, R. Cheng, P. Zhai, H. Lee, Y. H. Chang, S. P. Feng, Solution-based Synthesis of Ultrasmall Nb2O5 Nanoparticles and Its Application in Dye-sensitized and Perovskite Solar Cells, Electrochimica Acta, 236, 131-139, 2017.

N. Y. Hau, P Yang, P. H. Lee, S. P. Feng, Aminosilane-assisted Electrodeposition of Gold Nanodendrites and Their Catalytic Properties, Scientific Reports, 7, 39839, 2017.

H. Lee, Y. T. Huang S. P. Feng, Nickel Oxide Thin Films by Radio Frequency Sputter for Inverted Perovskite Solar Cells, IEEE 44th Photovoltaic Specialist Conference (PVSC), 1012-1014, 2017.

B. Dai, J. Wang, Z. Xiong, X. Zhan, W. Dai, C. C. Li, S. P. Feng, J. Tang, Programmable Artificial Phototactic Microswimmers, Nature Nanotechnology, 11, 1087-1092, 2016.

P. Zhai, H. Lee, Y. T. Huang, T. C. Wei, S. P. Feng, Study on Blocking Effect of Quantum-dot TiO2 Compact Layer in Dye-sensitized Solar Cells with Ionic Liquid Electrolyte under Low-intensity Illumination, Journal of Power Sources, 329, 502-509, 2016.

H. Lee, P. Zhai, R. Cheng, Y. T. Huang, S. P. Feng, Study on Transparency and Hierarchical Structure with TiO2 Quantum Dots for Efficient Back-side Illuminated Dye-sensitized Solar Cells, Electrochimica Acta, 213, 155-162, 2016.

X. Ji, H. Y. Lau, X. Ren, B. Peng, P. Zhai, S. P. Feng, P. K. L. Chan, Bioelectronics: Highly Sensitive Metabolite Biosensor Based on Organic Electrochemical Transistor Integrated with Microfluidic Channel and Poly(N-vinyl-2-pyrrolidone)-capped Platinum Nanoparticles, Advanced Materials Technologies, 1, 1600042, 2016.

K. C. Lai, P. Y. Wu, C. M. Chen, T. C. Wei, C. H. Wu, S. P. Feng, Interfacial Characterizations of a Nickel-phosphorus Layer Electrolessly Deposited on a Silane Compound-modified Silicon Wafer under Thermal Annealing, Journal of Electronic Materials, 45, 4813-4822, 2016.

C. C. Li, N. Y. Hau, Y. Wang, A. K. Soh, S. P. Feng, Temperature-dependent Effect of Percolation and Brownian Motion on the Thermal Conductivity of TiO2-ethanol Nanofluids, Physical Chemistry Chemical Physics, 18, 15363-15368, 2016.

S. P. Feng, Stepwise Anodic Electrodeposition of Nanoporous NiOOH/Ni(OH)2 with Controllable Wettability and its Applications, the 9th Chemical Engineering Conference in Mainland Taiwan and Hong Kong, National Chung Hing University, Taiwan, 17 October 2016.

S. P. Feng, Y. H. Chang, C. Liu, Electrochemical Fabrication of Japonica-like Silver Flowers, 12th Nanotechnology Products and Summit, Melbourne, Australia, 24-25 November 2016.

C. Liu, H. Lee, Y. H. Chang, S. P. Feng, The Study of Electrical Conductivity and Diffusion Behavior of Water-based and Ferro/ferricyanide-electrolyte-based Alumina Nanofluids, Journal of Colloid and Interface Science, 469, 17-24, 2016.

Y. H. Chang, C. Liu, S. P. Feng, Electrochemical Fabrication of Metal Nanostructures by Using a Hydrophilic/hydrophobic Sponge-like NiOOH/Ni(OH)2 Template, Thin Solid Films, 603, 1-7, 2016. 

S. P. Feng, Electrical-potential Dependent Enhancement of Heat Transport in Graphite Suspensions, Society of Engineering Science 53rd Annual Technical Meeting, The University of Maryland, Maryland, USA, 2-5 October 2016.

X. Ji, H. Y. Lau, X. Ren, T. S. Cai, K. L. Chan, S. P. Feng, P. Zhai, Portable Sensor and System for Noninvasive Monitoring, CN Appl. 201621054559.3.

Y. H. Chang, S. P. Feng, Stepwise Anodic Electrodeposition of Nanoporous NiOOH/Ni(OH)2 with Controllable Wettability and its Applications, HKIE Transactions, 22, 202-211, 2015. (HKIE outstanding paper award)

H. Su, Y. T. Huang, Y. H. Chang, P. Zhai, N. Y. Hau, P. C. H. Cheung, W. T. Yeh, T. C. Wei, S. P. Feng, The Synthesis of Nb-doped TiO2 Nanoparticles for Improved-performance Dye-sensitized Solar Cells, Electrochimica Acta, 182, 230-237, 2015. 

P. Zhai, T. Y. Hsieh, C. Y. Yeh, C. C. Hu, J. H. Su, T. C. Wei, S. P. Feng, Tri-functional TiO2 Nanoparticles with Exposed {001} Facets as the Additive for Cobalt-based Porphyrin-sensitized Solar Cells, Advanced Functional Materials, 25, 6093-6100, 2015.

J. Wang, S. P. Feng, Y. Yang, N. Y. Hau, M. Munro, E. Ferreira-Yang, G. Chen, Thermal Charging Phenomenon in Electrical Double Layer Capacitors, Nano letters, 15, 5784-5790, 2015.

P. Zhai, H. Jia, Z. Zheng, C. C. Lee, H. Su, T. C. Wei, S. P. Feng, Tuning Surface Wettability and Adhesivity of Nitrogen-doped Graphene Foam After Water Vapor Treatment for Efficient Oil Removal, Advanced Materials Interfaces, 2, 1500243-1500250, 2015. 

Y. Cai, H. E. Wang, M. J. Xu, Y. Yu, J. Jin, R. L. Zhang, Y. Li, S. P. Feng, B. L. Su, Hierarchically Structured Porous TiO2 Microspheres Constructed by Interconnected Coarse Nanorods as High-performance Lithium-ion Battery Anode, Chemical Engineering Journal, 281, 844-851, 2015.

H. T. Yu, T. C. Wei, P. Zhai, S. P. Feng, M. Ikegami, T. Miyasaka, A Room-temperature Process for Fabricating a Nano-Pt Counter Electrode on a Plastic Substrate for Efficient Dye-sensitized Cells, Journal of Power Sources, 283, 351-357, 2015.

N. Y. Hau, Y. H. Chang, S. P. Feng, Kinetics Study of Silver Electrocrystallization on (3-mercaptopropyl)Trimethoxysilane-grafted Indium Tin Oxide Plastic Substrate, Electrochimica Acta, 158, 121-128, 2015.

P. Zhai, C. C. Lee, Y. H. Chang, C. Liu, T. C. Wei, S. P. Feng, A Significant Improvement in the Electrocatalytic Stability of N-doped Graphene Nanosheets Used as a Counter Electrode for [Co(bpy)3]3+/2+ Dased Porphyrin-sensitized Solar Cells, ACS Applied Materials & Interfaces, 7, 2116-2123, 2015.

S. P. Feng, H. Su, Y. H. Chang, Y. T. Huang, N. Y. Hau, P. Zhai, One-pot Synthesis of Nb2O5-doped TiO2 Nanoparticles, US 9183993 B2.

S. P. Feng, Y. H. Chang, Anodic Electroplating Nickel Hydroxide Nanostructures and Its Applications, The 4th Young Investigator Conference (EITA-YIC), The Maclaurin Buildings, Massachusetts Institute of Technology, Cambridge, MA, USA, 6-7 August 2015.

Y. H. Chang, N. Y. Hau, C. Liu, Y. T. Huang, C. C. Li, K. Shih, S. P. Feng, A Short-range Ordered-disordered Transition of NiOOH/Ni(OH)2 Pair Induces Switchable Wettability, Nanoscale, 6, 15309-15315, 2014.

F. Xie, S. J. Cherng, S. Lu, Y. H. Chang, W. E. I. Sha, S. P. Feng, C. M. Chen, W. C. H. Choy, Functions of Self-assembled Ultrafine TiO2 Nanocrystals for High Efficient Dye-sensitized Solar Cells, ACS Applied Materials & Interfaces, 6, 5367-5373, 2014.

P. Zhai, T. C. Wei, Y. H. Chang, Y. T. Huang, W. T. Yeh, H. Su, S. P. Feng, High Electrocatalytic and Wettable Nitrogen-doped Microwave-exfoliated Graphene Nanosheets as Counter Electrode for Dye-sensitized Solar Cells, Small, 10, 3347-3353, 2014.

P. Zhai, Y. H. Chang, Y. T. Huang, T. C. Wei, H. Su, S. P. Feng, Water-soluble Microwave-exfoliated Graphene Nanosheet/platinum Nanoparticle Composite and Its Application in Dye-sensitized Solar Cells, Electrochimica Acta, 132, 186-192, 2014.

H. Su, M. Zhang, Y. H. Chang, P. Zhai, N. Y. Hau, Y. T. Huang, C. Liu, A. K. Soh, S. P. Feng, Highly Conductive and Low Cost Ni-PET Flexible Substrate for Efficient Dye-sensitized Solar Cells, ACS Applied Materials & Interfaces, 6, 5577-5584, 2014.

Z. Wang, C. Fan, X. Ren, Y. H. Chang, H. Li, S. P. Feng, S. Shi, P. K. L. Chan, Low Cost Universal High-k Dielectric for Solution Processing and Thermal Evaporation Organic Transistors, Advanced Materials Interfaces, 1, 1300119-1300125, 2014.

T. C. Wei, H. H. Chen, Y. H. Chang, S. P. Feng, Hydrophobic Electrolyte Pastes for Highly Durable Dye-sensitized Solar Cells, Journal of The Electrochemical Society, 161, H214-H219, 2014.

S. P. Feng, High Electrocatalytic and Wettable Nitrogen-doped Microwave-exfoliated Graphene Nanosheets as Counter Electrode for Dye-Sensitized Solar Cells, MRS Fall Meeting, Boston, MA, USA, 31 November - 5 December 2014.

N. Y. Hau, Y. H. Chang, Y. T. Huang, T. C. Wei, S. P. Feng, Direct Electroplated Metallization on Indium Tin Oxide Plastic Substrate, Langmuir, 30, 132-139, 2014.

S. P. Feng, Y. H. Chang, Electroplating Ni-Au Low Ohmic Contacts on Nanostructured Bi2Te3 Alloys, TMS Annual Meeting, San Diego, CA, USA, 15-19 February 2014.

Y. H. Chang, Y. T. Huang, M. K. Lo, C. F. Lin, C. M. Chen, S. P. Feng, Electrochemical Fabrication of Transparent Nickel Hydroxide Nanostructures with Tunable Superhydrophobicity/Superhyrophilicity for 2D Microchannels Application, Journal of Materials Chemistry A, 2, 1985-1990, 2014.

H. K. Cheng, S. P. Feng, Y. J. Lai, K. C. Liu, Y. L. Wang, T. F. Liu, C. M. Chen, Effect of Polyimide Baking on Bump Resistance in Flip-chip Solder Joints, Microelectronics Reliability, 54, 629-632, 2014.

S. P. Feng, Metal-free Nitrogen Doped Microwave-exfoliated Graphene Nanosheets as High-electrocatalytic Counter Electrode for Dye Sensitized Solar Cells, Progress in Electromagnetics Research Symposium (PIERS), Guangzhou, China, 25-28 August 2014.

H. Su, J. Zhang, W. Ma, K. Wei, L. Liu, H. Fu, S. P. Feng, A. K. Soh, In-situ Fabrication of Highly Dense Nanoeutectic Al2O3/YAG Composite Ceramics by a Modified Laser Surface Processing, Journal of the European Ceramic Society, 34, 739-744, 2014.

R. C. Roberts, J. Wu, N. Y. Hau, Y. H. Chang, S. P. Feng, D. C. Li, Facile 3D Metal Electrode Fabrication for Energy Applications via Inkjet Printing and Shape Memory Polymer, Journal of Physics: Conference Series, 557, 012006, 2014.

S. P. Feng, Y. H. Chang, Nickel Hydroxide Nanostructures for 2D Microchannels Applications, International Symposium on Advanced Functional Materials (ISAFM), Kuala Lumpur, Malaysia, 1-2 August 2014.

S. P. Feng, Electrochemical Fabrication of Optical Transparent and Tunable Wettability Nickel Hydroxide for 2D Microfluidic Channels, The 3rd Young Investigator Conference (EITA-YIC), Ray and Maria Stata Center, Massachusetts Institute of Technology, Cambridge, MA, USA, 1-2 August 2013.

S. P. Feng, Reliable Contact Fabrication by Electroplating Nickel/Gold on Nanostructured Bi2Te3-based Alloys Pretreated by Self-assembled MPS Monolayer, THERMEC 2013, Las Vegas, NV, USA, 2-6 December 2013.

Y. T. Huang, Y. Y. Zhan, S. J. Cherng, C. M. Chen, S. P. Feng, T. C. Wei, Surface Metallization of Polyimide as a Photoanode Substrate for Rear-illuminated Dye-sensitized Solar Cells, Journal of The Electrochemical Society, 160, H581-H586, 2013.

H. P. Feng, G. Chen, Y. Bo, Z. Ren, S. Chen, B. Poudel, Metal Deposition using Seed Layers, US 8580100 B2.

T. C. Wei, Y. H. Chang, S. P. Feng, H. H. Chen, A Semi-experimental Method for Fast Evaluation of the Performance of Grid-type Dye-sensitized Solar Module, International Journal of Electrochemical Science, 8, 9256-9263, 2013.

Y. T. Huang, S. P. Feng, C. M. Chen, Nickel Substrate Covered with a Sn-based Protection Bi-layer as a Photoanode Substrate for Dye-sensitized Solar Cells, Electrochimica Acta, 99, 230-237, 2013.

S. P. Feng, Y. H. Chang, J. Yang, B. Poudel, B. Yu, Z. F. Ren, G. Chen, Reliable Contact Fabrication on Nanostructured Bi2Te3-based Thermoelectric Materials, Physical Chemistry Chemical Physics, 15, 6757-6762, 2013.

S. P. Feng, Y. H. Chang, Superhydrophobic Coating of Chemical Functionalized Metal Hydroxide Nanostructures on Transparent Conductive Substrates, TMS Annual Meeting, San Antonio, TX, USA, 3-7 March 2013.

J. L. Lan, T. C. Wei, S. P. Feng, C. C. Wan, G. Cao, Effects of Iodine Content in the Electrolyte on the Charge Transfer and Power Conversion Efficiency of Eye-sensitized Solar Cell under Low Light Intensities, The Journal of Physical Chemistry C, 116, 25727-25733, 2012.

T. C. Wei, S. P. Feng, Y. H. Chang, S. J. Cherng, C. M. Chen, Fabrication and Characterization of Interconnected Grid-type Dye Sensitized Solar Modules, International Journal of Electrochemical Science, 7, 11904-11916, 2012.

S. P. Feng, T. Paudel, B. Yu, S. Chen, Z. F. Ren, G. Chen, Method of Selective Electroplating Having Strong Adhesion and Exceptional Uniformity by Nanoparticle Immobilization, TMS Annual Meeting, Orlando, FL, USA, 11-15 March 2012.

R. Zheng, J. Gao, J. Wang, S. P. Feng, H. Ohtani, J. Wang, G. Chen, Thermal Percolation in Stable Graphite Suspensions, Nano Letters, 12, 188-192, 2012.

D. Kraemer, B. Poudel, H. P. Feng, J. C. Caylor, B. Yu, X. Yan, Y. Ma, X. Wang, D. Wang, A. Muto, K. McEnaney, M. Chiesa, Z. F. Ren, G. Chen, High-performance Flat-panel Solar Thermoelectric Generators with High Thermal Concentration, Nature Materials, 10, 532-538, 2011.

H. P. Feng, T. Paudel, B. Yu, S. Chen, Z. F. Ren, G. Chen, Nanoparticle-enabled Selective Electrodeposition, Advanced Materials, 23, 2454-2459, 2011. 

H. P. Feng, B. Yu, S. Chen, K. Collins, C. He, Z. F. Ren, G. Chen, Studies on Surface Preparation and Smoothness of Nanostructured Bi2Te3-based Alloys by Electrochemical and Mechanical Methods, Electrochimica Acta, 56, 3079-3084, 2011.

G. Chen, D. Kraemer, A. Muto, K. McEnaney, H. P. Feng, W. S. Liu, Q. Zhang, B. Yu, Z. Ren, Thermoelectric Energy Conversion Using Nanostructured Materials, Proceedings of Society of Photo-Optical Instrumentation Engineers (SPIE), 80311, J1-4, 2011.

G. Chen, D. Kraemer, B. Poudel, H. P. Feng, J. C. Caylor, G. Joshi, B. Yu, X. Yan, Y. Ma, X. Wang, D. Wang, A. Muto, K. McEnaney, M. Chiesa, Z. F. Ren, Solar Thermoelectric Energy Conversion, Thermoelectrics Application Workshop, San Diego, CA, 3-4 January 2011.

H. K. Cheng, J. C. Tsao, H. P. Feng, M. Y. Cheng, S. Lin, R. Chuang, Apparatus and Method for Preventing Copper Peeling in ECP, US 7667835 B2.

M. Y. Cheng, K. W. Chen, T. F. Liu, Y. L. Wang, H. P. Feng, Effects of Direct Current and Pulse-reverse Copper Plating Waveforms on the Incubation Behavior of Self-annealing, Thin Solid Films, 518, 7468-7474, 2010.

B. Yu, H. Wang, Y. Lan, X. Yan, B. Produel, J. C. Caylor, H. P. Feng, G. Chen, Z. F. Ren, Studies of Sputtered Metal Interlayers on Metallization of Bismuth Telluride Based Thermoelectric Materials, MRS Fall Meeting, Boston, USA, 29 November - 3 December 2010.

J. L. Lan, H. P. Feng, T. C. Wei, C. Peng, H. P. Cheng, W. H. Chen, Y. H. Chang, W. C. Hsu, C. C. Wan, Platinum Nanoparticles on Flexible Carbon Fiber Paper Without Transparent Conducting Oxide Glass as Counter Electrode for Dye-sensitized Solar Cells, Journal of the Chinese Chemical Society, 57, 1217-1220, 2010.

H. K. Cheng, H. J. Chien, H. C. Chan, C. C. Chen, Y. L. Wang, C. H. Su, H. P. Feng, S. T. Chang, Semiconductor Devices Having Post Passivation Interconnections and a Buffer Layer, US 7528478 B2.

H. P. Feng, M. Y. Cheng, S. K. Cheng, S. Lin, J. C. Tsao, C. P. Fan, C. W. Liu, Method and Apparatus for Stabilizing Plating Film Impurities, US 7481910 B2.

T. C. Wei, H. P. Feng, J. L. Lan, C. Peng, Y. H. Chang, W. C. Hsu, H. P. Cheng, W. H. Chen, Engineering Work on High Transparent and High Performance Counter Electrode for DSSC, 3rd International Conference on the industrialisation of Dye Solar Cells (DSC-IC 09), Nara, Japan, 22 April 2009.

J. L. Lan, Y. Y. Wang, C. C. Wan, T. C. Wei, H. P. Feng,  C. Peng, H. P. Cheng, Y. H. Chang, W. C. Hsu, The Simple and Easy Way to Manufacture Counter Electrode for Dye-sensitized Solar Cells, Current Applied Physics, 10, S168-171, 2009.  

J. L. Lan, Y. Y. Wang, C. C. Wan, T. C. Wei, H. P. Feng, C. Peng, H. P. Cheng, Y. H. Chang, W. C. Hsu,  The Sample and Easy Way to Manufacture Counter Electrode for Dye-sensitized Solar Cells, Renewable Energy 2008 International Conference and Exhibition, Busan, Korea, pp. 256, October 2008.

W. C. Hsu, T. C.  Wei, Y. H.  Chang, J. L. Lan, H. P. Feng, C. Peng, H. P. Cheng, W. H. Chen, An Environmental Friendly Ionic Liquid as Alternative Iodide Source for Dye-Sensitized Solar Cell, The 3rd Japan-Korea Bilateral Workshop on Dye-sensitized and Organic Solar Cell, Kitakyushu, Japan, pp. 69, December 2008.

T. C. Wei, J. L. Lan, C. Peng, Y. H. Chang, W. C. Hsu, H. P.  Cheng, H. P. Feng, W. H. Chen, Engineering Work on Counter Electrode for DSSC, 2008 Taiwan DSSC Technology Workshop, HsinChu, Taiwan, pp. 34, August 2008.

H. P. Feng, J. Y. Lin, Y. Y. Wang, C. C. Wan, Effect of Light Illumination for Copper Oxidation After Chemical Mechanical Polishing, Journal of the Electrochemical Society, 155, H620-624, 2008.

C. Peng, T. C. Wei, H. P. Feng, W. H. Chen, H. P. Cheng, J. L. Lan, Y. H. Chang, W. C. Hsu, C. H. Lien, Synthesizing Platinum Nano-Clusters and its Application to Manufacture Counter Electrode for Dye Sensitized Solar Cells, International Symposium on Solar Cells and Solar Fuels, Dalian, China, pp. 50, December 2008.

H. P. Feng, J. Y. Lin, M. Y. Cheng, Y. Y. Wang, C. C. Wan, Behavior of Copper Removal by CMP and its Correlation to Deposit Structure and Impurity Content, Journal of the Electrochemical Society, 155, H21-25, 2008.

Y. H. Chang, W. C. Hsu, T. C. Wei, J. L. Lan, H. P. Feng, C. Peng, H. P. Cheng, W. H. Chen, How Charge Transfer Resistance of Tri-iodide Reduction in PVP-Pt Counter Electrode Affect Fill Factor in IV Curves, The 3rd Japan-Korea Bilateral Workshop on Dye-sensitized and Organic Solar Cell, Kitakyushu, Japan, pp. 50, December 2008.

H. P. Feng, J. C. Tsao, H. K. Cheng, C.T. Lee, M. Y. Cheng, S. Lin, R. Chuang, C. W. Liu, Post ECP Multi-Step Anneal/H2 Treatment to Reduce Film Impurity, US 7432192 B2.

H. P. Feng, M. Y. Cheng, H. K. Cheng, S. Lin, H. Y. Huang, Y. D. Fan, Method for Conductive Film Quality Evaluation, US 7262067 B2.

J. C. Tsao, C. W. Liu, H. P. Feng, H. K. Cheng, S. Lin, M. Y. Cheng, Method to Eliminate Plating Copper Defect, US 7256120 B2.

C. W. Liu, H. P. Feng, J. C.  Tsao, Method and Apparatus for Copper Film Quality Enhancement with Two-step Deposition, US 7189650 B2.

J. Y. Lin, C. C. Wan, Y. Y. Wang, H. P. Feng, Void Defect Reduction after Chemical Mechanical Planarization of Trenches Filled by Direct/Pulse Plating, Journal of the Electrochemical Society, 154, D139-144, 2007.

J. Y. Lin, Y. Y. Wang, C. C. Wan, H. P. Feng, M. Y. Cheng, Impurity Induced Localized Corrosion Between Copper and Tantalum Nitride during Chemical Mechanical Planarization, Electrochemical and Solid-State Letters, 10, H23-26, 2007.

C. W. Liu, J. C. Tsao, H. P. Feng, K. W. Chen, S. C. Lin, R. Chuang,  Method of Reducing the Pattern Effect in the CMP Process, US 7183199 B2.

J. C. Tsao, C. W. Liu, S. K. Cheng, C. T. Wang, S. Lin, H. P. Feng, C. P. Fan, Method for Preventing Voids in Metal Interconnects, US 7122471 B2.

H. K. Cheng, H. J. Chien, H. C. Chan, C. C. Chen, Y. L. Wang, C. H. Su, H. P.  Feng, S. T. Chang, Method for Reducing Defects in Post Passivation Interconnect Process, US 7026233 B2.

H. P. Feng, M.Y. Cheng, Y. L. Wang, S. C. Chang, Y. Y. Wang, C.C. Wan, Mechanism for Cu Void Defect on Various Electroplated Film Conditions, Thin Solid Films, 498, 56-59, 2006.

H. P. Feng, M. Y. Cheng, Y. Y. Wang, C. C. Wang, Investigation of the Behaviors of Various Electroplated Copper Films During CMP, NSTI Nanotechnology Conference and Trade Show, 1, 248-251, 2006.

H. K. Cheng, C. C. Chen, T. C. Wang, S. A. Wu, Y. L. Wang, H. P. Feng, Chamber Leakage Detection by Measurement of Reflectivity of Oxidized Thin Film, US 6985222 B2.

C. W. Liu, Y. L. Wang, M. S. Tsai, H. P. Feng, S. C. Chang, G. J. Hwang, Effect of Plating Current Density and Annealing on Impurities in Electroplated Cu film, Journal of Vacuum Science & Technology A, 23, 658-662, 2005.

H. P. Feng, Y. Wu, Y. Y. Wang, C. C. Wan, Electroless Cu Deposition Process on TiN for ULSI Interconnect Fabrication via Pd/Sn Colloid Activation, Journal of Electronic Materials, 32, 9-17, 2003. 

Y. Wu, W. C. Chen, H. P. Feng, C. C. Wan, Y. Y. Wang, Displacement Reaction between Metal Ions and Nitride Barrier Layer/silicon Substrate, Journal of the Electrochemical Society, 149, G309-317, 2002.