| Pathways to electrochemical solar-hydrogen technologies S Ardo, DF Rivas, MA Modestino, VS Greiving, FF Abdi, EA Llado, ... Energy & environmental science 11 (10), 2768-2783, 2018 | 320 | 2018 |
| Hydrogen gas generation by splitting aqueous water using n-type GaN photoelectrode with anodic oxidation K Fujii, T Karasawa, K Ohkawa Japanese journal of applied physics 44 (4L), L543, 2005 | 193 | 2005 |
| A 24.4% solar to hydrogen energy conversion efficiency by combining concentrator photovoltaic modules and electrochemical cells A Nakamura, Y Ota, K Koike, Y Hidaka, K Nishioka, M Sugiyama, K Fujii Applied Physics Express 8 (10), 107101, 2015 | 190 | 2015 |
| Effect of CO2 Bubbling into Aqueous Solutions Used for Electrochemical Reduction of CO2 for Energy Conversion and Storage H Zhong, K Fujii, Y Nakano, F Jin The Journal of Physical Chemistry C 119 (1), 55-61, 2015 | 177 | 2015 |
| The fabrication of vertical light-emitting diodes using chemical lift-off process JS Ha, SW Lee, HJ Lee, HJ Lee, SH Lee, H Goto, T Kato, K Fujii, MW Cho, ... IEEE Photonics Technology Letters 20 (3), 175-177, 2008 | 143 | 2008 |
| Protective effect of 17β-estradiol on ischemic acute renal failure through the PI3K/Akt/eNOS pathway A Satake, M Takaoka, M Nishikawa, M Yuba, Y Shibata, K Okumura, ... Kidney international 73 (3), 308-317, 2008 | 119 | 2008 |
| Characteristics of hydrogen generation from water splitting by polymer electrolyte electrochemical cell directly connected with concentrated photovoltaic cell K Fujii, S Nakamura, M Sugiyama, K Watanabe, B Bagheri, Y Nakano International journal of hydrogen energy 38 (34), 14424-14432, 2013 | 107 | 2013 |
| Photoelectrochemical properties of p-type GaN in comparison with n-type GaN K Fujii, K Ohkawa Japanese journal of applied physics 44 (7L), L909, 2005 | 107 | 2005 |
| Photoelectrochemical reaction and H2 generation at zero bias optimized by carrier concentration of n-type GaN M Ono, K Fujii, T Ito, Y Iwaki, A Hirako, T Yao, K Ohkawa The Journal of chemical physics 126 (5), 2007 | 100 | 2007 |
| Photoelectrochemical properties of InGaN for H2 generation from aqueous water K Fujii, K Kusakabe, K Ohkawa Japanese journal of applied physics 44 (10R), 7433, 2005 | 94 | 2005 |
| Effect of KHCO3 concentration on electrochemical reduction of CO2 on copper electrode H Zhong, K Fujii, Y Nakano Journal of The Electrochemical Society 164 (9), F923, 2017 | 57 | 2017 |
| Bias-assisted H2 gas generation in HCl and KOH solutions using n-type GaN photoelectrode K Fujii, K Ohkawa Journal of The Electrochemical Society 153 (3), A468, 2006 | 57 | 2006 |
| Lattice strain in bulk GaN epilayers grown on CrN/sapphire template SW Lee, JS Ha, HJ Lee, HJ Lee, H Goto, T Hanada, T Goto, K Fujii, ... Applied Physics Letters 94 (8), 2009 | 54 | 2009 |
| Band-edge energies and photoelectrochemical properties of n-type Al x Ga1− x N and in y Ga1− y N alloys K Fujii, M Ono, T Ito, Y Iwaki, A Hirako, K Ohkawa Journal of The Electrochemical Society 154 (2), B175, 2006 | 51 | 2006 |
| Hydrogen generation from aqueous water using n‐GaN by photoassisted electrolysis K Fujii, K Ohkawa physica status solidi c 3 (6), 2270-2273, 2006 | 48 | 2006 |
| Comprehensive review of integrating fuel cells to other energy systems for enhanced performance and enabling polygeneration TH Kwan, F Katsushi, Y Shen, S Yin, Y Zhang, K Kase, Q Yao Renewable and Sustainable Energy Reviews 128, 109897, 2020 | 46 | 2020 |
| Optical properties of dislocations in wurtzite ZnO single crystals introduced at elevated temperatures Y Ohno, H Koizumi, T Taishi, I Yonenaga, K Fujii, H Goto, T Yao Journal of Applied Physics 104 (7), 2008 | 44 | 2008 |
| Distributed control of a user-on-demand renewable-energy power-source system using battery and hydrogen hybrid energy-storage devices D Yamashita, K Tsuno, K Koike, K Fujii, S Wada, M Sugiyama International Journal of Hydrogen Energy 44 (50), 27542-27552, 2019 | 38 | 2019 |
| Solar to chemical energy conversion M Sugiyama, K Fujii, S Nakamura Lecture Notes Energy; Springer: Basel, Switzerland 32, 253, 2016 | 38 | 2016 |
| Photoelectrochemical Properties of the p− n Junction in and near the Surface Depletion Region of n-Type GaN K Fujii, M Ono, Y Iwaki, K Sato, K Ohkawa, T Yao The Journal of Physical Chemistry C 114 (51), 22727-22735, 2010 | 36 | 2010 |
