Performance Optimization of the CdSeXTe1-X/CdTe Solar Cell

被引：0
|
作者：
Alom, Md Zahangir [1 ]
Elahi, Sheikh Tawsif [1 ]
Palekis, Vasilios [1 ]
Wang, Wei [1 ]
Ferekides, Chris [1 ]
机构：
[1] Univ S Florida, Tampa, FL 33620 USA
来源：
2023 IEEE 50TH PHOTOVOLTAIC SPECIALISTS CONFERENCE, PVSC | 2023年
基金：
美国国家科学基金会;
关键词：
Thickness; Substrate Temperature; Heat Treatment; Bandgap; Se Composition; Lifetime;
D O I：
10.1109/PVSC48320.2023.10359530
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：
The effect of CST (CdSeXTe1-X) Se (x) composition and thickness on the performance of CST/CdTe solar cells heat treated at different CdCl2 temperatures has been studied. The superstrate cell structure was: ITO/MZO/CST/CdTe/Back Contact. CdTe and CST bi-layer absorbers were deposited by the CSS (close spaced sublimation) process. The CST Se composition and thickness varied from 10-40% and 0.25-1.0 mu m respectively. With the increase of Se composition, VOC decreased and J(SC), fill factor increased due to the decrease in the band gap. A CST thickness of 0.50 mu m resulted in the highest VOC and fill factor. The best performance was obtained for 27% Se with 0.50 mu m CST. Performing the CdCl2 heat treatment at 430 degrees C resulted in the highest minority carrier lifetime and improved performance.
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页数：4
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