期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 112, 期 -, 页码 47-51出版社
ELSEVIER
DOI: 10.1016/j.solmat.2012.12.019
关键词
CuInSe2; Chalcopyrite; Thin films; Hydrothermal
资金
- National Science Council, Taiwan, Republic of China [NSC100-3113-E-002-011]
Single phased copper indium diselenide (CuInSe2) films have been successfully prepared on titanium substrates directly by adopting a hydrothermally-assisted chemical bath deposition technique. CuInSe2 films belong to the chalcopyrite structure were uniformly prepared at various penetration depths. The synthesis temperature of the monophasic CuInSe2 films was decreased to 180 degrees C without the selenization process. The required temperature for preparing single phased CuInSe2 films was remarkably lower than the temperatures used in conventional vacuum and non-vacuum processes. During the hydrothermal reaction, highly reactive selenium ions reacted with copper and indium ions directly to produce CuInSe2 films on the substrates without any high-temperature treatment, leading to the decrease in reaction temperatures appreciably. The increase in the hydrothermal temperatures significantly improved the crystallinity and enlarged the particle sizes of CuInSe2 films. This developed process can be effectively applied for the preparation of CuInSe2 films on flexible substrates at low temperatures. (C) 2013 Elsevier B.V. All rights reserved.
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