Dr. Changsu Kim Profile

Dr. Changsu Kim

Graduate Assistant at Univ of Tokyo

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Publications (9)

Proceedings Article | 27 February 2019 Paper

Monitoring carrier transport and recombination in photovoltaic devices in real time

Y. Hazama, Y. Ishida, L. Zhu, C. Kim, S. Shin, H. Akiyama

Proceedings Volume 10913, 109130Y (2019) https://doi.org/10.1117/12.2507736

KEYWORDS: Solar cells, Photoemission spectroscopy, Photovoltaics, Solar energy

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Proceedings Article | 23 February 2017 Paper

Exciton Mott transition in GaAs studied by terahertz spectroscopy

Fumiya Sekiguchi, Changsu Kim, Hidefumi Akiyama, Ryo Shimano

Proceedings Volume 10102, 101020T (2017) https://doi.org/10.1117/12.2250735

KEYWORDS: Excitons, Transition metals, Terahertz radiation, Spectroscopy, Gallium arsenide, Terahertz spectroscopy, Semiconductors, Plasma, Picosecond phenomena, Ionization

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Proceedings Article | 14 March 2016 Paper

Calibration standards and measurement accuracy of absolute electroluminescence and internal properties in multi-junction and arrayed solar cells

Masahiro Yoshita, Lin Zhu, Changsu Kim, Toshimitsu Mochizuki, Tetsuya Nakamura, Mitsuru Imaizumi, Shaoqiang Chen, Hidehiro Kubota, Yoshihiko Kanemitsu, Hidefumi Akiyama

Proceedings Volume 9743, 97430D (2016) https://doi.org/10.1117/12.2211726

KEYWORDS: Electroluminescence, Calibration, Solar cells, Imaging systems, Photovoltaics, Multijunction solar cells, Reliability, Silicon, Standards development, Photodiodes, Light emitting diodes, Gallium arsenide, Cameras, Indium gallium phosphide

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Proceedings Article | 14 March 2016 Paper

Characterization and modeling of radiation damages via internal radiative efficiency in multi-junction solar cells

Lin Zhu, Masahiro Yoshita, Tetsuya Nakamura, Mitsuru Imaizumi, Changsu Kim, Toshimitsu Mochizuki, Shaoqiang Chen, Yoshihiko Kanemitsu, Hidefumi Akiyama

Proceedings Volume 9743, 97430U (2016) https://doi.org/10.1117/12.2212827

KEYWORDS: Solar cells, Solar radiation models, Radiation effects, Photovoltaics, Electroluminescence, Particles, Multijunction solar cells, Group III-V semiconductors, Photonics, Indium gallium phosphide, Gallium arsenide, External quantum efficiency, Calibration, Energy efficiency

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Proceedings Article | 16 March 2015 Paper

Multi-junction-solar-cell designs and characterizations based on detailed-balance principle and luminescence yields

Hidefumi Akiyama, Lin Zhu, Masahiro Yoshita, Changsu Kim, Shaoqiang Chen, Toshimitsu Mochizuki, Yoshihiko Kanemitsu

Proceedings Volume 9358, 93580B (2015) https://doi.org/10.1117/12.2175825

KEYWORDS: Luminescence, Quantum efficiency, Electroluminescence, Solar energy, Solar cells, Multijunction solar cells, Tandem solar cells, Light emitting diodes, External quantum efficiency, Satellites

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Proceedings Article | 15 March 2013 Paper

High-power THz pulse generation and nonlinear THz spectroscopy

K. Shinokita, H. Hirori, K. Tanaka, T. Mochizuki, C. Kim, H. Akiyama, L. Pfeiffer, K. West

Proceedings Volume 8604, 86040B (2013) https://doi.org/10.1117/12.2008309

KEYWORDS: Terahertz radiation, Quantum wells, Continuous wave operation, Pulsed laser operation, Visible radiation, Luminescence, Solids, Spectroscopy, Excitons, Streak cameras

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