Towards a CdS/Cu2ZnSnS4 solar cell efficiency improvement: A theoretical approach

被引：57
作者：
Courel, Maykel [1 ]
Andrade-Arvizu, J. A. [1 ]
Vigil-Galan, O. [1 ]
机构：
[1] Inst Politecn Nacl, Escuela Super Fis & Matemat, Mexico City 07738, DF, Mexico
来源：
APPLIED PHYSICS LETTERS | 2014年 / 105卷 / 23期
关键词：
24;
D O I：
10.1063/1.4903826
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this work, a device model for Cu2ZnSnS4 (CZTS) solar cell with certified world record efficiency is presented. A study of the most important loss mechanisms and its effect on solar cell performance was carried out. The trap-assisted tunneling and CdS/CZTS interface recombination are introduced as the most important loss mechanisms. Detailed comparison of the simulation results to the measured device parameters shows that our model is able to reproduce the experimental observations (quantum efficiency, efficiency, J(sc), FF, and V-oc) reported under normal operating conditions. Finally, a discussion about a further solar cell efficiency improvement is addressed. (C) 2014 AIP Publishing LLC.
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页数：4
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