Liquid CO2-based coating for dense CuInxGa1-xS2 film fabrication

Title
Liquid CO2-based coating for dense CuInxGa1-xS2 film fabrication
Authors
민병권황윤정에듀아더스박세진김재훈
Keywords
Liquid CO2; CIGS
Issue Date
2017-02
Publisher
The Journal of supercritical fluids
Citation
VOL 120, NO 2-459
Abstract
A liquid CO2 (l-CO2)– based coating technique is used for the pore-filling of a porous copper indium gallium sulfide (CuInxGa1− xS2, CIGS) film synthesized by a solution-based method. In the l-CO2– based coating, copper and indium precursors dissolved in l-CO2 are deposited on the porous copper indium gallium oxide film, followed by low-temperature sulfurization. After the high-temperature sulfurization of the deposited film with the l-CO2– based coating, a highly dense CIGS film with almost complete pore-filling is obtained. The use of an indium rich solution in l-CO2 leads to the formation of near stoichiometric ratio of Cu:(In + Ga) that improves the pore filling behavior.
URI
http://pubs.kist.re.kr/handle/201004/66610
ISSN
0896-8446
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KIST Publication > Article
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