EFFECT OF SUBSTRATE SURFACE ON THE GROWTH OF SPRAY DEPOSITED Cu2ZnSnS4 THIN FILMS

被引：0
|
作者：
Chalapathi, U. [1 ]
Poornaprakash, B. [1 ]
Park, S. H. [1 ]
机构：
[1] Yeungnam Univ, Dept Elect Engn, Gyongsan 38541, South Korea
来源：
CHALCOGENIDE LETTERS | 2018年 / 15卷 / 10期
基金：
新加坡国家研究基金会;
关键词：
Thin films; Cu2ZnSnS4; Spray pyrolysis; Absorber; Photovoltaic; SOLAR-CELLS; VIBRATIONAL PROPERTIES; ABUNDANT MATERIALS; PRECURSORS; PYROLYSIS; STANNITE; LAYERS;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report on the growth and properties of Cu2ZnSnS4 thin films spray-deposited on soda lime glass (SLG) and Mo-, SnO2:F (FTO)-, and ZnO:Al (AZO)-coated glass substrates. The compositional, structural, microstructural, and optical properties of the films were analyzed as a function of substrate surface. The films (prepared under identical conditions) exhibited different grain sizes because of substrate surface difference. Film growth on Mo and FTO surfaces was uniform, but that on SLG was nonuniform, and we observed grain clustering. Grain growth on the AZO surface was very low and nonuniform. The direct optical bang gap of the films was 1.38 eV.
引用
收藏
页码：475 / 481
页数：7
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