High-Efficiency Solution-Processed Cu2ZnSn(S,Se)4 Thin-Film Solar Cells Prepared from Binary and Ternary Nanoparticles

被引：313

作者：

Cao, Yanyan ^{[1
]}

Denny, Michael S., Jr. ^{[1
]}

Caspar, Jonathan V. ^{[1
]}

Farneth, William E. ^{[1
]}

Guo, Qijie ^{[1
]}

Ionkin, Alex S. ^{[1
]}

Johnson, Lynda K. ^{[1
]}

Lu, Meijun ^{[1
]}

Malajovich, Irina ^{[1
]}

Radu, Daniela ^{[1
]}

Rosenfeld, H. David ^{[1
]}

Choudhury, Kaushik Roy ^{[1
]}

Wu, Wei ^{[1
]}

机构：

[1] DuPont Co Inc, Cent Res & Dev, Expt Stn, Wilmington, DE 19880 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2012年 / 134卷 / 38期

关键词：

CU2ZNSNS4; NANOCRYSTALS;

D O I：

10.1021/ja3057985

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

A new solution-based method to fabricate Cu2ZnSn(S,Se)(4) (CZTSSe) thin films is presented. Binary and ternary chalcogenide nanoparticles were synthesized and used as precursors to form CZTSSe thin films. The composition of the CZTSSe films can be easily controlled by adjusting the ratio of the nanoparticles used. The effect of compositional adjustment on device performance is illustrated. Laboratory-scale photovoltaic cells with 8.5% total-area efficiency (or 9.6% active-area efficiency) were demonstrated without anti-reflective coatings. Material characterization data revealed the formation of a bilayer microstructure during thermal processing and suggested a path forward on device improvement.

引用

页码：15644 / 15647

页数：4

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