CuIn(S,Se)2thin film solar cells from nanocrystal inks: Effect of nanocrystal precursors

被引：24

作者：

Ford, Grayson M. ^{[1
,2
]}

Guo, Qijie ^{[1
,2
]}

Agrawal, Rakesh ^{[1
,2
]}

Hillhouse, Hugh W. ^{[1
,2
,3
]}

机构：

[1] Purdue Univ, Sch Chem Engn, W Lafayette, IN 47907 USA

[2] Purdue Univ, Energy Ctr, W Lafayette, IN 47907 USA

[3] Univ Washington, Dept Chem Engn, Seattle, WA 98105 USA

来源：

THIN SOLID FILMS | 2011年 / 520卷 / 01期

关键词：

Solar cells; Copper indium selenide; Copper indium sulfide; Selenization; Impurities; Transmission electron microscopy; X-ray diffraction; CUINSE2;

D O I：

10.1016/j.tsf.2011.08.007

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

CuIn(S,Se)(2) thin film solar cells are fabricated by selenizing CuInS2 nanocrystals synthesized using a variety of copper and indium precursors. Specifically, copper and indium acetates, acetylacetonates, iodides, chlorides and nitrates are investigated to determine the effect of precursors on electronic properties and device performance. Nanocrystal synthesis with each of these precursors can be optimized to yield similar nanocrystal composition, size and structure. In addition, dense chalcopyrite CuIn(S,Se)(2) thin films with micron sized grains at the surface are formed upon selenization regardless of precursor type. Surprisingly, solar cells fabricated from each nanocrystal ink have roughly the same carrier concentrations of 10(16) to 10(17) cm(-3) in the absorber layer and achieve active area efficiencies of approximately 5%. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：523 / 528

页数：6

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