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Electrodeposition of Copper Indium Sulfide Films From Organic Solutions

机译:有机溶液电沉积硫化铜铟薄膜

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摘要

We report on organic solutions of CuCl_2, InCl_3, and elemental sulfur for electrodepositing CuIn_xS_y films. CuInS_2 and CuInSe_2 are promising solar cell materials; our work on CuInS_2 prefaces planned work on plating CuInSe_2 from nonaque-ous solvents. Two promising solvent systems are (1) mixed propylene carbonate and water and (2) mixed ethylene glycol, propionic acid, and water (Engelken et al., 1988). Gray-brown films of CuIn_xS_y (nominally CuInS_2) have been plated from both baths. Major problems include (1) reduction of Cu~(+2) to Cu and Cu_xS by the solvent at high temperatures (T > 100℃), hence depleting Cu~(+2), (2) poor adherence/uniformity, (3) controlling stoichiometry, and (4) sluggish indium deposition. The paper will discuss our routes to solving these problems and present film data.
机译:我们报告了用于电沉积CuIn_xS_y膜的有机溶液CuCl_2,InCl_3和元素硫。 CuInS_2和CuInSe_2是有前途的太阳能电池材料。我们在CuInS_2上的工作是在非水溶剂中电镀CuInSe_2的计划工作。两种有前途的溶剂系统是(1)混合碳酸亚丙酯和水,以及(2)混合乙二醇,丙酸和水(Engelken等,1988)。在两个镀液中均镀有CuIn_xS_y灰褐色薄膜(名义上为CuInS_2)。主要问题包括(1)在高温(T> 100℃)下溶剂将Cu〜(+2)还原为Cu和Cu_xS,从而耗尽Cu〜(+2),(2)附着力/均匀性差,(3 )控制化学计量,以及(4)缓慢的铟沉积。本文将讨论我们解决这些问题的途径并介绍电影数据。

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