Kohjiro Hara

National Institute of Advanced Industrial Science and Technology — Japan

Energy · Physical Sciences

71h-index20.7kcitations203works0.02yr avg
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Research Topics

TiO2 Photocatalysis and Solar Cells(106), Advanced Photocatalysis Techniques(83), Quantum Dots Synthesis And Properties(45), Silicon and Solar Cell Technologies(22), Advanced Nanomaterials in Catalysis(21)

Publications203 total

Durable polyolefin encapsulants in aged photovoltaic modules
Journal of Photochemistry and Photobiology A Chemistry·2022· 8 cited
Raman spectroscopic analysis of encapsulants in aged photovoltaic modules
Journal of Photochemistry and Photobiology A Chemistry·2021· 11 cited
Metal-doped titanium oxide films for suppressing potential-induced degradation of photovoltaic modules
Journal of the Ceramic Society of Japan·2021· 3 citedOpen Access
Durable crystalline silicon photovoltaic modules based on breathable structure
Japanese Journal of Applied Physics·2020· 4 cited
Spectroscopic investigation of long-term outdoor-exposed crystalline silicon photovoltaic modules
Journal of Photochemistry and Photobiology A Chemistry·2020· 20 cited
A Coumarin-Derivative Dye-Sensitized Nanocrystalline TiO2 Solar Cell Having a High Solar Energy Conversion Efficiency up to 5.6 Per Cent
Renewable Energy·2018
Potential-induced degradation of n-type crystalline Si photovoltaic modules in practical outdoor systems
Japanese Journal of Applied Physics·2018· 8 cited
Durable crystalline Si photovoltaic modules based on silicone-sheet encapsulants
Japanese Journal of Applied Physics·2018· 25 cited
Influence of surface structure of n-type single-crystalline Si solar cells on potential-induced degradation
Solar Energy Materials and Solar Cells·2017· 39 cited
Potential-induced degradation (PID) in n-type c-Si photovoltaic modules by outdoor exposure
The Japan Society of Applied Physics·2017
Microscopic aspects of potential-induced degradation phenomena and their recovery processes for p-type crystalline Si photovoltaic modules
Current Applied Physics·2016· 38 cited
Saturation behavior of the potential-induced degradation of n-type c-Si-wafer-based photovoltaic modules
The Japan Society of Applied Physics·2016
High-Performance Silicone Encapsulation for PV Modules
The Japan Society of Applied Physics·2016
Durability and One of Next Directions for Crystalline Si Photovoltaic Modules
The Japan Society of Applied Physics·2016
Potential-induced degradation of Cu(In,Ga)Se<sub>2</sub>photovoltaic modules
Japanese Journal of Applied Physics·2015· 73 citedOpen Access
Potential-induced degradation of Cu(In,Ga)Se
Japanese Journal of Applied Physics·2015· 12 cited
Plasma-enhanced chemical-vapor deposition of silicon nitride film for high resistance to potential-induced degradation
Japanese Journal of Applied Physics·2015· 18 cited
Relationship between cross-linking conditions of ethylene vinyl acetate and potential induced degradation for crystalline silicon photovoltaic modules
Japanese Journal of Applied Physics·2015· 47 cited
Potential-induced degradation in photovoltaic modules based on n-type single crystalline Si solar cells
Solar Energy Materials and Solar Cells·2015· 101 cited
Development of Concrete Structure Construction Process Simulator—A Platform for the Analysis of Load-Carrying Capacity under Various Initial Stress Effects—
Concrete Journal·2015· 1 citedOpen Access
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Frequent Co-authors

Hironori Arakawa(24), Akihiro Furube(18), Ryuzi Katoh(17), Kazuhiro Sayama(14), Akira Shinpo(12), Sadaharu Suga(12), M. Tachiya(12), Zhong‐Sheng Wang(9), Hideki Sugihara(8), Nagatoshi Koumura(8), Yasufumi Dan‐oh(7), Chiaki Kasada(7), Shigeo Murata(7), Yasuyo Ohga(6), Tadatake Sato(4), Shogo Mori(4), Masanori Miyashita(4), Yan Cui(4), Toshitada Yoshihara(4), Yoshiaki Tamaki(4)