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Synthesis of Cu(Ini(1-x)Ga(x))Se-2 Powder by Using a Metal Source and the Solvothermal Method

Authors
Gu, Sin-IlHong, Seung-hyoukShin, Hyo-SoonHong, Youn-WooYeo, Dong-HunNahm, Sahn
Issue Date
Oct-2010
Publisher
KOREAN PHYSICAL SOC
Keywords
Solar cell; CIGS; Powder; Metal source
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.57, no.4, pp.1059 - 1061
Indexed
SCIE
SCOPUS
KCI
Journal Title
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
Volume
57
Number
4
Start Page
1059
End Page
1061
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/115621
DOI
10.3938/jkps.57.1059
ISSN
0374-4884
Abstract
The synthesis of CIGS powder has frequently been studied for use in depositing thick films for solar cell applications. The synthesis of GIGS using a salt source and the solvothermal method has been reported. However, reports on the synthesis using a metal source of relatively low cost are a few. In this study, we selected the solvothermal method and metal sources as raw materials. The effects of the reaction temperature, the mixing of ions, and the Ga source on the phase, the morphology, and the particle size of the powder were observed. For synthesis with a Ga metal source, because the Ga ion, which controls the reaction rate, wasn't mixed uniformly in the solvent, CIS and small amounts of GIGS were synthesized. When the uniformity of Ga ions was increased by using a rapid stirring process, the CuIn0.6Ga0.4Se2 phase was mainly synthesized. In the case of GaCl3, which has a higher solubility than Ga metal, the CuIn0.4Ga0.6Se2 phase and small amounts of CIS were synthesized. The synthesis of CIGS powder by using a metal source was strongly related to the mixing of Ga ions.
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