Influence of affinity, band gap and ambient temperature on the efficiency of CIGS solar cells

被引：32
作者：
Ghorbani, T. [1 ]
Zahedifar, M. [1 ,2 ]
Moradi, M. [1 ]
Ghanbari, E. [1 ]
机构：
[1] Univ Kashan, Inst Nanosci & Nanotechnol, Kashan 87317, Iran
[2] Univ Kashan, Dept Phys, Kashan 87317, Iran
来源：
OPTIK | 2020年 / 223卷 / 223期
关键词：
CIGS; solar cell; affinity; band gap; efficiency; THIN-FILM; BUFFER LAYER; CONVERSION EFFICIENCY; ABSORBER LAYER; OPTIMIZATION; PERFORMANCE; CUINSE2;
D O I：
10.1016/j.ijleo.2020.165541
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The performance of CI1-xGxS solar cells was studied by investigating the effects of composition (x) on affinity and band gap according to an experimental equation using a 2D-ATLAS simulator. Based on the simulation results, the highest efficiency of 22.69% was obtained at an optimum composition of x = 0.3. The influence of x on other parameters of solar cells including shortcircuit current (JSC), open-circuit voltage (VOC), and fill factor (%FF) was also examined. Investigating the effect of ambient temperature on the above-mentioned parameters at the optimum composition revealed a reduction in reliability when increasing the ambient temperature. This phenomenon was found to originate from lattice scattering and a reduction in carrier mobility.
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页数：6
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