Quantitative loss analysis of voltage output characteristics on multi-junction solar cells

被引：0

作者：

Nakamura, Tetsuya ^{[1
,2
]}

Zhu, Lin ^{[3
,4
]}

Yoshita, Masahiro ^{[5
]}

Imaizumi, Mitsuru ^{[1
]}

Akiyama, Hidefumi ^{[3
,4
]}

Okada, Yoshitaka ^{[2
]}

机构：

[1] Japan Aerosp Explorat Agcy, Tsukuba, Ibaraki, Japan

[2] Univ Tokyo, Res Ctr Adv Sci & Technol, Meguro Ku, Tokyo, Japan

[3] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba, Japan

[4] Univ Tokyo, AIST UTokyo OPERANDO OIL, Kashiwa, Chiba, Japan

[5] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki, Japan

来源：

2018 IEEE 7TH WORLD CONFERENCE ON PHOTOVOLTAIC ENERGY CONVERSION (WCPEC) (A JOINT CONFERENCE OF 45TH IEEE PVSC, 28TH PVSEC & 34TH EU PVSEC) | 2018年

关键词：

Multi-junction solar cells; Electroluminescence; Loss analysis; Uncertainty approach;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Owing to the improvement of device design and material properties, the conversion efficiencies of state-of-the-art solar cells are approaching the theoretical limit. However, identification of the remaining losses is still difficult. Therefore, the quantitative analysis of losses is important for further optimization of the conversion efficiencies. In this study, we propose a method to quantitatively analyze the losses in open-circuit voltage of multi-junction solar cells. This method employs absolute electroluminescence and external quantum efficiency measurements including uncertainties. We analyze the voltage output losses for three triple-junction solar cells and discuss possible improvements of multi-junction solar cells.

引用

页码：0921 / 0926

页数：6

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