Synthesis of CuInS2, CuInSe2, and Cu(InxGa1-x)Se2 (CIGS) Nanocrystal "Inks" for Printable Photovoltaics

被引：861

作者：

Panthani, Matthew G. ^{[1
]}

Akhavan, Vahid ^{[1
]}

Goodfellow, Brian ^{[1
]}

Schmidtke, Johanna P. ^{[2
]}

Dunn, Lawrence ^{[3
,4
]}

Dodabalapur, Ananth ^{[4
]}

Barbara, Paul F. ^{[2
]}

Korgel, Brian A. ^{[1
]}

机构：

[1] Univ Texas Austin, Dept Chem Engn, Austin, TX 78712 USA

[2] Univ Texas Austin, Dept Chem & Biochem, Austin, TX 78712 USA

[3] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA

[4] Univ Texas Austin, Microelect Res Ctr, Texas Mat Inst, Austin, TX 78712 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2008年 / 130卷 / 49期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1021/ja805845q

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Chalcopyrite copper indium sulfide (CuInS2) and copper indium gallium selenide (Cu(InxGa1-x)-Se-2; CIGS) nanocrystals ranging from similar to 5 to similar to 25 nm in diameter were synthesized by arrested precipitation in solution. The In/Ga ratio in the CIGS nanocrystals could be controlled by varying the In/Ga reactant ratio in the reaction, and the optical properties of the CuInS2 and CIGS nanocrystals correspond to those of the respective bulk materials. Using methods developed to produce uniform, crack-free micrometer-thick films, CuInSe2 nanocrystals were tested in prototype photovoltaic devices. As a proof-of-concept, the nanocrystal-based devices exhibited a reproducible photovoltaic response.

引用

页码：16770 / 16777

页数：8

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