Limitation factors for the performance of kesterite Cu2ZnSnS4 thin film solar cells studied by defect characterization

	Limitation factors for the performance of kesterite Cu2ZnSnS4 thin film solar cells studied by defect characterization
	Yin, Ling; Cheng, Guanming; Feng, Ye; Li, Zhaohui; Yang, Chunlei; Xiao, Xudong
刊名	RSC ADVANCES
	2015
英文摘要	In this work, photoluminescence (PL), admittance spectroscopy (AS) and drive-level capacitance profiling (DLCP) were performed to analyze the defect properties of a Cu2ZnSnS4 (CZTS) solar cell. Compared to a high efficiency CuInGaSe2 (CIGS) solar cell, the absorber of the CTZS device has larger potential fluctuation which can be attributed to the co-existence of a high concentration of deep acceptor (CuZn) and deep donor (ZnCu) defects. The density of the interface states in the CZTS device is also orders higher than that in the CIGS device. These high density defects (both in the bulk and at the CZTS/CdS interface) will induce a large loss in the open-circuit voltage (Voc), resulting in a lower performance of the CZTS device. We suggest that defect control can be a possible solution to reduce the potential fluctuation induced by acceptors. To overcome the potential fluctuation induced trapping effect for electrons by the ZnCu donors, a graded conduction band similar to CIGS will be good to eliminate electron localization.
收录类别	SCI
原文出处	http://www.rsc.org/chemical-sciences-repository/articles/article/dr000000002934?doi=10.1039/c5ra00069f
语种	英语
内容类型	期刊论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/6573]
专题	深圳先进技术研究院_集成所
作者单位	RSC ADVANCES
推荐引用方式 GB/T 7714	Yin, Ling,Cheng, Guanming,Feng, Ye,et al. Limitation factors for the performance of kesterite Cu2ZnSnS4 thin film solar cells studied by defect characterization[J]. RSC ADVANCES,2015.
APA	Yin, Ling,Cheng, Guanming,Feng, Ye,Li, Zhaohui,Yang, Chunlei,&Xiao, Xudong.(2015).Limitation factors for the performance of kesterite Cu2ZnSnS4 thin film solar cells studied by defect characterization.RSC ADVANCES.
MLA	Yin, Ling,et al."Limitation factors for the performance of kesterite Cu2ZnSnS4 thin film solar cells studied by defect characterization".RSC ADVANCES (2015).