Correlation of Electroluminescence With Open-Circuit Voltage From Thin-Film CdTe Solar Cells

被引：10
|
作者：
Raguse, John M. [1 ]
Sites, James R. [1 ]
机构：
[1] Colorado State Univ, Dept Phys, Ft Collins, CO 80523 USA
来源：
IEEE JOURNAL OF PHOTOVOLTAICS | 2015年 / 5卷 / 04期
关键词：
Cadmium compounds; electroluminescence (EL); external quantum efficiency; open-circuit voltage; photovoltaic cells; EFFICIENCY;
D O I：
10.1109/JPHOTOV.2015.2417761
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Electroluminescence (EL) measurements of several CdTe solar cells, a GaAs solar cell, and an AlGaAs LED were performed. The mean integrated EL intensity, normalized to exposure time and injection-current density, correlates well with the difference between ideal open-circuit voltage and measured open-circuit voltage, nearly independently of cell details or uniformity. This trend holds for devices of different absorber materials but does not hold for devices which exhibit poor superposition between light and dark current-voltage (J-V) curves.
引用
收藏
页码：1175 / 1178
页数：4
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