TY - GEN
T1 - Absolute electroluminescence imaging of multi-junction solar cells and calibration standards
AU - Yoshita, Masahiro
AU - Zhu, Lin
AU - Kim, Changsu
AU - Akiyama, Hidefumi
AU - Chen, Shaoqiang
AU - Mochizuki, Toshimitsu
AU - Kubota, Hidehiro
AU - Nakamura, Tetsuya
AU - Imaizumi, Mitsuru
AU - Kanemitsu, Yoshihiko
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2015/12/14
Y1 - 2015/12/14
N2 - We developed absolute electroluminescence (EL) calibration standards to evaluate absolute radiative-emission rates from subcells in multi-junction (MJ) solar cells. The absolute-EL-measurement system consists of an EL imaging setup and an emission-intensity-calibrated planar light-emitting diode with a circular open aperture as an emission-intensity standard. We applied this system to the measurements of the absolute EL imaging of a monolithic satellite-use InGaP/GaAs/Ge MJ solar cell. From the observed absolute EL images, we characterized external EL quantum efficiencies and internal open-circuit voltages of InGaP and GaAs subcells.
AB - We developed absolute electroluminescence (EL) calibration standards to evaluate absolute radiative-emission rates from subcells in multi-junction (MJ) solar cells. The absolute-EL-measurement system consists of an EL imaging setup and an emission-intensity-calibrated planar light-emitting diode with a circular open aperture as an emission-intensity standard. We applied this system to the measurements of the absolute EL imaging of a monolithic satellite-use InGaP/GaAs/Ge MJ solar cell. From the observed absolute EL images, we characterized external EL quantum efficiencies and internal open-circuit voltages of InGaP and GaAs subcells.
KW - EL imaging
KW - III-V semiconductor materials
KW - absolute electroluminescence measurement
KW - calibration standard
KW - external luminescence quantum efficiency
KW - multi-junction solar cells
KW - sub-cell diagnosis
UR - https://www.scopus.com/pages/publications/84961620145
U2 - 10.1109/PVSC.2015.7356199
DO - 10.1109/PVSC.2015.7356199
M3 - 会议稿件
AN - SCOPUS:84961620145
T3 - 2015 IEEE 42nd Photovoltaic Specialist Conference, PVSC 2015
BT - 2015 IEEE 42nd Photovoltaic Specialist Conference, PVSC 2015
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 42nd IEEE Photovoltaic Specialist Conference, PVSC 2015
Y2 - 14 June 2015 through 19 June 2015
ER -