Estimation of subcell photocurrent in IMM3J using LED bias light

Nakamura, Tetsuya*; Imaizumi, Mitsuru*; Sato, Shinichiro; Oshima, Takeshi

The estimation method of subcell photocurrent (I $_{photo}$ ) in multi-junction solar cells using not external quantum efficiency (EQE) but light current-voltage (LIV) characteristics after irradiation is proposed. To obtain I $_{photo}$ of each subcell, it is necessary to estimate the reverse saturation current density (J) and shunt resistance (R $_{sh}$ ) of each subcell using EL and LED bias light (LBL) method. Since estimated I $_{photo}$ is in agreement with experimental LIV characteristics under illumination of AM0 solar simulator, we can evaluate of complicated maximum power (Pmax) of the inverted metamorphic triple-junction (IMM3J) solar cell after irradiation.

Language	:	English
Journal	:	Proceedings of 39th IEEE Photovoltaic Specialists Conference (PVSC-39) (CD-ROM)
Volume	:
Number	:
Pages	:	p.0696 - 0700
Publication Year/Month	:	2013/06
Meeting title	:	39th IEEE Photovoltaic Specialists Conference (PVSC-39)
Held date	:	2013/06
Location (city)	:	Tampa
Location (country)	:	U.S.A.
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1109/PVSC.2013.6744247
DOI for research data	:
Keywords	:	no keyword
Research Facility	:	TIARA(イオン照射研究施設)
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:	宇宙航空研究開発機構

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Registration No. : BB20130769
JAEA Abstracts No. : 43000765
Paper Submission No. : 15867

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