>> PUBLICATIONS

2019

• 8.

  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, 2019. (Accepted)

• 7.

  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 (TMS), 2019, 1-11.  (PDF)

• 6.

  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, 2019, 99, 44-51. (PDF)

• 5.

  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, 2019. ( Published Online)

• 4.

  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. (PDF)

• 3.

  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. (PDF)

• 2.

  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. (PDF)

• 1.

  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. (PDF)

2018

• 8.

  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. (PDF)

• 7.

  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 (Selected as the featured cover). (PDF)

• 6.

  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. (PDF)

• 5.

  P. Swetha, S. P. Feng, High-index facet defined shaped-controlled electrochemical synthesis of nanocrystals, Electrochemistry Communications, 94, 64-69, 2018. (PDF)

• 4.

  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. (PDF)

• 3.

  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. (PDF)

• 2.

  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. (PDF)

• 1.

  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. (PDF)

2017

• 11.

  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. (PDF)

• 10.

  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. (PDF)

• 9.

  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. (PDF)

• 8.

  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. (PDF)

• 7.

  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. (PDF)

• 6.

  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. (PDF)

• 5.

  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. (PDF)

• 4.

  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. (PDF)

• 3.

  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. (PDF)

• 2.

  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. (PDF)

• 1.

  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. (PDF)

2016

• 8.

  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. (PDF)

• 7.

  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. (PDF)

• 6.

  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. (PDF)

• 5.

  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. (PDF)

• 4.

  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. (PDF)

• 3.

  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. (PDF)

• 2.

  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. (PDF)

• 1.

  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.  (PDF)

2015

• 9.

  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). (PDF)

• 8.

  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.  (PDF)

• 7.

  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. (PDF)

• 6.

  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. (PDF)

• 5.

  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.  (PDF)

• 4.

  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. (PDF)

• 3.

  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. (PDF)

• 2.

  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. (PDF)

• 1.

  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+ based porphyrin-sensitized solar cells, ACS Applied Materials & Interfaces, 7, 2116-2123, 2015. (PDF)

2014

• 11.

  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. (PDF)

• 10.

  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. (PDF)

• 9.

  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. (PDF)

• 8.

  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. (PDF)

• 7.

  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. (PDF)

• 6.

  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. (PDF)

• 5.

  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. (PDF)

• 4.

  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. (PDF)

• 3.

  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. (PDF)

• 2.

  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. (PDF)

• 1.

  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. (PDF)

2013

• 4.

  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. (PDF)

• 3.

  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. (PDF)

• 2.

  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. (PDF)

• 1.

  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. (PDF)

2012

• 3.

  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 dye-sensitized solar cell under low light intensities, The Journal of Physical Chemistry C, 116, 25727-25733, 2012. (PDF)

• 2.

  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. (PDF)

• 1.

  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. (PDF)

2011

• 3.

  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. (PDF)

• 2.

  H. P. Feng, T. Paudel, B. Yu, S. Chen, Z. F. Ren, G. Chen, Nanoparticle-enabled selective electrodeposition, Advanced Materials, 23, 2454-2459, 2011.  (PDF)

• 1.

  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. (PDF)

2010

• 2.

  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. (PDF)

• 1.

  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. (PDF)

2009

• 1.

  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.   (PDF)

2008

• 2.

  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. (PDF)

• 1.

  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. (PDF)

2007

• 2.

  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. (PDF)

• 1.

  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. (PDF)

2006

• 1.

  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. (PDF)

2005

• 1.

  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. (PDF)

2003

• 1.

  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.  (PDF)

2002

• 1.

  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. (PDF)

Conference Papers

• 3.

  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. (PDF)

• 2.

  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. (PDF)

• 1.

  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. (PDF)

Invited Presentations

• 12.

  S. P. Feng, Y. H. Chang, C. Liu, Electrochemical fabrication of functional Ag nanocrystals with highly electrocatalytic activity, TMS 2017 146^th Annual Meeting and Exhibition, San Diego Convention Center and Marriott Marquis & Marina, San Diego, California, the USA, 26 February – 2 March 2017.

• 11.

  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.

• 10.

  S. P. Feng, Electrical-potential dependent enhancement of heat transport in graphite suspensions, Society of Engineering Science 53^rd Annual Technical Meeting, the University of Maryland, Maryland, the USA 2-5 October 2016.

• 9.

  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.

• 8.

  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.

• 7.

  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.

• 6.

  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.

• 5.

  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.

• 4.

  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.

• 3.

  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.

• 2.

  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.

• 1.

  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.

Oral Persentations

• 5.

  R. Cheng, S. P. Feng, Fully ambient fabrication of large-grain CH₃NH₃PbI₃-xCl_x monolayer for high efficiency n-i-p planar perovskite solar cell, Golden-triangle conference, Hong Kong, 23 August 2017.

• 4.

  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.

• 3.

  S. P. Feng, Y. H. Chang, C. Liu, Electrochemical fabrication of japonica-like silver flowers, 12^th Nanotechnology Products and Summit, Melbourne, Australia, 24-25 November 2016.

• 2.

  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.

• 1.

  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.

Poster Presentations

• 13.

  J. N. 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.

• 12.

  R. Cheng, S. P. Feng, Horizontal expansion for ambient-processed large-grain perovskite solar cells, IPS-22, Hefei, China, 29 July - 3 August 2018.

• 11.

  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.

• 10.

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

• 9.

  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.

• 8.

  J. N. 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.

• 7.

  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.

• 6.

  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.

• 5.

  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.

• 4.

  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.

• 3.

  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.

• 2.

  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.

• 1.

  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.

• 18.

  W. D. Li, J. Cai, M. Zhang, S. P. Feng, Imprinted Metallization on Polymeric Substrates, US Appl. 16/271261, 2019.

• 17.

  N. X. Fang, X. Li, C. Liu, S. P. Feng, Synthesis and Application of Light Management with Thermochromic Hydrogel Microparticles, US Appl. 62/756260, 2018.

• 16.

  S. P. Feng, X. Wang, Y. T. Huang, Z. Zheng, L. Wang, K. H. Li, K. Mu, Thermo-electric capacitor, US Appl. 62/617514, 2018, TW Appl. 107147129, 2019.

• 15.

  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., 2016.

• 14.

  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, 2015. (PDF)

• 13.

  H. P. Feng, G. Chen, Y. Bo, Z. Ren, S. Chen, Method for Forming Contact Layers on Thermoelectric or Semiconductor Substrates, US Appl. 12/932372, 2011.

• 12.

  T. C. Wei, H. P. Cheng, S. P. Feng, J. L. Lan, C. Peng, W. C. Hsu, Y. H. Chang, Method of Forming an Electrode Including an Electrochemical Catalyst Layer, US 20100108240 A1.

• 11.

  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. (PDF)

• 10.

  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. (PDF)

• 9.

  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. (PDF)

• 8.

  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 432192 B2. (PDF)

• 7.

  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. (PDF)

• 6.

  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. (PDF)

• 5.

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

• 4.

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

• 3.

  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. (PDF)

• 2.

  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. (PDF)

• 1.

  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. (PDF)