Photocurrent collection efficiency mapping of a silicon solar cell by a differential luminescence imaging technique

被引：19

作者：

Rau, U. ^{[1
]}

Huhn, V. ^{[1
]}

Stoicescu, L. ^{[2
]}

Schneemann, M. ^{[1
]}

Augarten, Y. ^{[1
]}

Gerber, A. ^{[1
]}

Pieters, B. E. ^{[1
]}

机构：

[1] Forschungszentrum Julich, IEK5 Photovolta, D-52425 Julich, Germany

[2] Univ Stuttgart, Inst Photovolta, D-70569 Stuttgart, Germany

来源：

APPLIED PHYSICS LETTERS | 2014年 / 105卷 / 16期

关键词：

ELECTROLUMINESCENCE;

D O I：

10.1063/1.4898008

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A differential electroluminescence imaging method for solar cells which yields local photocurrent collection efficiency maps is introduced. These maps attribute a value between zero and unity to each location on the cell. This value corresponds to the ratio between the current at the cell terminals and the locally generated photocurrent. The method is demonstrated for a multicrystalline silicon solar cell under constant illumination. If the point of maximum power output of the cell is chosen as the bias point, the method yields quantitative information on the local contribution to the maximum output power of the solar cell. (C) 2014 AIP Publishing LLC.

引用

页数：4

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