Low-Temperature Direct Conversion of Cu-In Films to CuInSe2 via Selenization Reaction in Supercritical Fluid

被引：6

作者：

Tomai, Takaaki ^{[1
]}

Rangappa, Dinesh ^{[1
]}

Honma, Itaru ^{[1
]}

机构：

[1] Tohoku Univ, Inst Multidiciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan

来源：

ACS APPLIED MATERIALS & INTERFACES | 2011年 / 3卷 / 09期

关键词：

CIS/CIGS solar cells; compound semiconductor; conversion reaction; supercritical fluid; DEPOSITION; CELLULOSE;

D O I：

10.1021/am200899q

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this study, we achieve the direct conversion of metallic Cu-In films to compound semiconductor CuInSe2 films, at quite low temperature around 300 degrees C using less hazardous metalorganic selenium source in supercritical fluid (SCF). We investigated the effects of temperature and fluid (ethanol) density, and found that supercritical ethanol plays a crucial role in this low-temperature selenization reaction. Such SCF-assisted direct conversion reactions can facilitate large-scale, low-temperature, and rapid synthesis of CuInSe2 films, which can potentially lead to the low-cost production of solar cells.

引用

页码：3268 / 3271

页数：4

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