1997 Ph.D.      Department of Chemical Engineering, National Cheng Kung University, Taiwan

1991 B.S.        Department of Chemical Engineering, National Cheng Kung University, Taiwan

2015.03-2015.06        Visiting Scholar, Zernike Institute for Advanced Materials, University of Groningen, The Netherlands

2006.08-present          Professor, National Cheng Kung University, Taiwan

2003.08-2006.07        Associate Professor, National Cheng Kung University, Taiwan

2000.08-2003.07        Assistant Professor, National Cheng Kung University, Taiwan

1997.08-2000.07        Postdoctoral Fellow, Institute of Atomic and Molecular Sciences, Academia Sinica, Taiwan

1996.07-1997.07        Process Engineer, 4th Fab, Taiwan Semiconductor Manufacturing Company, Taiwan

Research Interests

Syntheses and properties of inorganic nanostructures and their applications to solar-energy and microelectronic devices:

• Dye-sensitized solar cells
• Hybrid Polymer solar cells
• Electrochromic devices
• Photovoltachromic cells
• Photoelectrochemical water splitting cells
• Resistive switching memories

Papers

• Jih-Sheng Yang, Jih-Jen Wu, 2017, “Low-Potential Driven Fully-Depleted BiVO₄/ZnO Heterojunction Nanodendrite Array Photoanodes for Photoelectrochemical Water Splitting”, Nano Energy, Vol. 32, p. 232−240.
• Bo-Yan Cheng, Jih-Sheng Yang, Hsun-Wei Cho, Jih-Jen Wu, 2016, “Fabrication of an Efficient BiVO₄−TiO₂ Heterojunction Photoanode for Photoelectrochemical Water Oxidation”, ACS Appl. Mater. Interfaces, Vol. 8, p. 20032−20039.
• Yu-Kai Syu, Yogesh Tingare, Shou-Yen Lin, Chen-Yu Yeh, Jih-Jen Wu, 2016, “Porphyrin Dye-Sensitized Zinc Oxide Aggregated Anodes for Use in Solar Cells”, Molecules, Vol. 21, p.1025.
• Yu-Kai Syu, Yogesh Tingare, Chen-Yu Yeh, Jih-Sheng Yang, Jih-Jen Wu, 2016, “Panchromatic Engineering For Efficient Zinc Oxide Flexible Dye-Sensitized Solar Cells Using Porphyrin And Indoline Dyes”, RSC Adv., Vol. 6, p. 59273-59279.
• Sih-Han Lin, Yen-Hsun Su, Hsun-Wei Cho, Po-Yen Kung, Wen-Pin Liao, Jih-Jen Wu, 2016, “Nanophotonic Perovskite Solar Cell Architecture with Three-Dimensional TiO₂ Nanodendrite Scaffold for Light Trapping and Electron Collection”, J. Mater. Chem. A, Vol. 4, p. 1119–1125.
• Lai-Hung Lai, Mark J. Speirs, Feng-Kuei Chang, Laura Piveteau, Maksym V. Kovalenko, Jen-Sue Chen, Jih-Jen Wu, and Maria A. Loi, 2015, “Increasing photon absorption and stability of PbS quantum dot solar cells using a ZnO interlayer”, Appl. Phys. Lett. Vol. 107, p. 183901.
• Hsun-Wei Cho, Wen-Pin Liao, Wan-Hsien Lin, Masahiro Yoshimura, Jih-Jen Wu, 2015, Pristine reduced graphene oxide as an energy-matched auxiliary electron acceptor in nanoarchitectural metal oxide/poly(3-hexylthiophene) hybrid solar cell, Journal of Power Sources Vol. 293, p.246-252.
• Ting-Chung Wang, Yen-Hsun Su, Yun-Kai Hung, Chen-Sheng Yeh, Li-Wen Huang, Widianta Gomulya, Lai-Hung Lai, Maria A. Loi, Jih-Sheng Yang and Jih-Jen Wu, 2015, Charge collection enhancement by incorporation of gold-silica core-shell nanoparticles into P3HT:PCBM/ZnO nanorod array hybrid solar cells, Phys. Chem. Chem. Phys., Vol. 17, p. 19854-19861.
• Jih-Sheng Yang, Wan-Hsien Lin, Chia-Yu Lin, Bo-Sheng Wang, and Jih-Jen Wu, 2015, n‑Fe₂O₃ to N⁺‑TiO₂ Heterojunction Photoanode forPhotoelectrochemical Water Oxidation, ACS Appl. Mater. Interfaces, Vol.7, p. 13314-13321.
• Shou-Yen Lin and Jih-Jen Wu, 2015, Chemical Assembly of Zinc Oxide Aggregated Anodes on Plastic Substrates at Room Temperature for Flexible Dye-Sensitized Solar Cells, Electrochimica Acta, Vol. 152, p. 61-67.
• Hsun-Wei Cho and Jih-Jen Wu, 2015, Photoreduction of Graphene Oxide Enhanced by Sacrificial Agents, Journal of Colloid and Interface Science, Vol. 438, p. 291-295.
• Kodepelly Sanjeeva Rao, Jaganathan Sentilnathan, Hsun-Wei Cho, Jih-Jen Wu, Masahiro Yoshimura, 2015, Soft Processing of Graphene Nanosheets by Glycine-Bisulfate Ionic-Complex-Assisted Electrochemical Exfoliation of Graphite for Reduction Catalysis, Adv. Funt. Mater., Vol.25, p. 298-305.
• Wen-Pin Liao, Yen Hsun Su, Yun-Kai Huang, Chen-Sheng Yeh, Li-Wen Huang, and Jih-Jen Wu, 2014, P3HT-based Nanoarchitectural Fano Solar Cells, ACS Appl. Mater. Interfaces, Vol.6, p. 17993-18000. (Selected to be ACS Editors' Choice)
• Wan-Hsien Lin, Jih-Jen Wu, Mitch M. C. Chou, Yu-Ming Chang, Masahiro Yoshimura, 2014, Charge Transfer in Au Nanoparticle-nonpolar ZnO Photocatalysts Illustrated by Surface-potential-derived Three-dimensional Band Diagram, J. Phys. Chem. C, Vol. 118, p. 19814-19821.
• Ming-Che Yang, Hsun-Wei Cho and Jih-Jen Wu,2014, Fabrication of Stable Photovoltachromic Cell using Solvent-free Hybrid Polymer Electrolyte, Nanoscale, Vol. 6, p. 9541–9544.
• S. B. Singh, Y. F. Wang, Y. C. Shao, H. Y. Lai, S. H. Hsish, M. V. Limaye, C. Chuang, H. C. Hsueh, H. T. Wang, J. Chiou, H. Tsai, C. Pao, C. Chen, H. Lin, J. Lee, C. Wu, J. Wu, W. Pong, T. Ohigashi, N. Kosugi, J. Wang, J. Zhou, T.Regier and T. Sham,2014, Observation of the Origin of d⁰ Magnetism in ZnO Nanostructures Using X-ray-based Microscopic and Spectroscopic Techniques, Nanoscale, Vol. 6, p. 9166–9176.
• Mukta V. Limaye, J. S. Chen, Shashi B. Singh, Y. C. Shao, Y. F. Wang, C. W. Pao, H. M. Tsai, J. F. Lee, H. J. Lin, J. W. Chiou, M. C. Yang, W. T. Wu, J. S. Chen, J. J. Wu, M. H. Tsai, W. F. Pong, 2014, Correlation between electrochromism and electronic structures of tungsten oxide films,RSC Advances, Vol. 4, p. 5036-5045.
• Geng-Jia Chang, Shou-Yen Lin, Jih-Jen Wu, 2014, Room-Temperature Chemical Integration of ZnO Nanoarchitectures on Plastic Substrates for Flexible Dye-Sensitized Solar Cells, Nanoscale, Vol. 6, p. 1329-1334.
• Dian-Wei Chen, Ting-Chung Wang, Wen-Pin Liao, Jih-Jen Wu, 2013, Synergistic Effect of Dual Interfacial Modifications with Room-Temperature Grown Epitaxial ZnO and Adsorbed Indoline Dye for ZnO Nanorod Array/P3HT Hybrid Solar Cell, ACS Appl. Mater. Interfaces, Vol.5, p. 8359−8365.
• Jih-Jen Wu, Wen-Pin Liao, Masahiro Yoshimura, 2013, Soft Processing of Hierarchical Oxide Nanostructures for Dye-Sensitized Solar Cell Applications, Nano Energy, Review Article, Vol. 2, p. 1354-1372.
• Jih-Sheng Yang, Wen-Pin Liao, and Jih-Jen Wu, 2013, Morphology and Interfacial Energetics Controls for Hierarchical Anatase/Rutile TiO₂ Nanostructured Array for Efficient Photoelectrochemical Water Splitting, ACS Appl. Mater. Interfaces, Vol.5, p. 7425-7431.
• Kun-Keng Chiang and Jih-Jen Wu, 2013, Fuel-Assisted Solution Route to Nanostructured Nickel Oxide Films for Electrochromic Device Application, ACS Appl. Mater. Interfaces, Vol.5, p. 6502-6507.
• T.-H. Huang, W.-H. Lin, T. Yan, J.-J. Wu, L. Chang, M. M. C. Chou, U. Jahn, and K. H. Ploog, 2013, Strain Relaxation, Defects and Cathodoluminescence of m-Plane ZnO and Zn_0.8Mg_0.2O Epilayers Grown on γ-LiAlO₂ Substrate, ECS Journal of Solid State Science and Technology, Vol. 2, p.338-345.
• Wen-Pin Liao and Jih-Jen Wu, 2013, Efficient Electron Collection in Hybrid Polymer Solar Cells: In-Situ-Generated ZnO/Poly(3-hexylthiophene) Scaffolded by a TiO₂ Nanorod Array, J. Phys. Chem. Lett. Vol. 4, p. 1983-1988.
• Wan-Hsien Lin, Uwe Jahn, Holger T. Grahn, Liuwen Chang, Mitch M. C. Chou, and Jih-Jen Wu, 2013, Spectral and Spatial Luminescence Distribution of m-Plane ZnO Epitaxial Films Containing Stacking Faults: A Cathodoluminescence Study, Appl. Phys. Express Vol. 6, p. 061101.
• Wei-Ting Jiang, Chun-Te Wu, Yu-Hsiang Sung and Jih-Jen Wu, 2013, Room-Temperature Fast Construction of Outperformed ZnO Nanoarchitectures on Nanowire-Array Templates for Dye-Sensitized Solar Cells, ACS Appl. Mater. Interfaces, Vol. 5, p. 911−917.
• Teng Hsing Huang, Wan-Hsien Lin, Jih-Jen Wu, Mitch M.C. Chou, Tao Yan and Liuwen Chang, 2012, Microstructure Characterization of Nonpolar ZnO and Zn1-x MgxO Epilayers Grown on (100) g-LiAlO₂ by Chemical Vapor Deposition, ECS Trans.2012, Vol. 45, p. 63-71.
• Shu-Chien Hsu, Wen-Pin Liao, Wan-Hsien Lin and Jih-Jen Wu, 2012, Modulation of Photocarrier Dynamics in Indoline Dye-Modified TiO₂ Nanorod Array/P3HT Hybrid Solar Cell with 4-tert-Butylpridine, J. Phys. Chem. C, Vol.116, p. 25721-25726.
• Yu-Hsiang Sung, Vadim D. Frolov, Sergei M. Pimenov, Jih-Jen Wu, 2012, “Investigation of Charge Transfer in Au Nanoparticle/ZnO Nanosheet Composite Photocatalyst”, Phys. Chem. Chem. Phys. Vol. 14, p. 14492-14494.
• Kun-Keng Chiang, Jen-Sue Chen, Jih-Jen Wu, 2012, “Aluminum Electrode Modulated Bipolar Resistive Switching of Al/Fuel-Assisted NiO_x/ITO Memory Devices Modeled with a Dual-Oxygen-Reservoir Structure”, ACS Appl. Mater. Interfaces, Vol. 4, p. 4237-4245.
• Yu-Hsiang Sung, Wen-Pin Liao, Dian-Wei Chen, Chun-Te Wu, Geng-Jia Chang, Jih-Jen Wu, 2012, “Room-Temperature Tailoring of Vertical ZnONanoarchitecture Morphology for Efficient Hybrid PolymerSolar Cells”, Adv. Funct. Mater. Vol. 22, p. 3808-3814.
• Wen-Pin Liao, Shu-Chien Hsu, Wan-Hsien Lin, Jih-Jen Wu, 2012, “Hierarchical TiO₂ Nanostructured Array/P3HT Hybrid Solar Cells with Interfacial Modification”, J. Phys. Chem. C, Vol. 116, p. 15938-15945.
• S. Sarkar Pal, S. Dhara, J.-J. Wu,C. S. Sundar, P. Magudapathy and K. G. M. Nair, 2012, ”UV induced Zener diode characteristic in a single n-ZnO/p⁺⁺-Si nanoheterojunction”, J. Nanoscience and Nanotechnology, Vol. 12, p. 3879-3883.
• Wan-Hsien Lin, Hikaru Saito, Takashi Nemoto, Hiroki Kurata, Mitch M. C. Chou, Seiji Isoda, Jih-Jen Wu, 2012, “Photoassisted Scanning Tunneling Microscopy Investigation on the ZnO(0001)-Zn Surface Treated by Alkaline Solution” J. Phys. Chem. C, Vol. 116, p.10664-10671.
• Jih-Jen Wu, Ru-Chun Chang, Dian-Wei Chen, Chun-Te Wu, 2012,“Visible to Near-Infrared Light Harvesting in Ag₂S Nanoparticles/ZnO Nanowire Array Photoanodes”, Nanoscale, Vol. 4, p.1368-1372.

Honors and awards:

• IAAM Medal, International Association of Advanced Materials (2015)
• T. T. Lai Memorial Award, Taiwan Institute of Chemical Engineers, Taiwan (2011)
• Distinguished Professor, National Cheng Kung University, Taiwan (2010~)
• Young Scholar Research Award, Academia Sinica, Taiwan (2006)
• Ta-You Wu Memorial Award, National Science Council, Taiwan (2004)
• Young Scholar Research Award, Taiwan Institute of Chemical Engineers, Taiwan (2002)