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CuInSe2薄膜的化学溶液制备方法

Keywords: 铜铟硒薄膜,黄铜矿结构,化学溶液法,太阳能电池

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Abstract:

采用了一种低成本化学溶液法制备铜铟硒(CuInSe2,CIS)薄膜.研究了预退火温度、硒化温度及基片衬底等实验参数对材料性能的影响.采用硝酸铜和氯化铟配置前驱体溶液,旋涂法制膜,后经480℃硒化退火得到CIS薄膜.XRD测试结果表明薄膜结晶性良好,具黄铜矿结构;SEM测试结果显示薄膜由较大晶粒组成,表面相对平整致密;EDX测试显示薄膜组分相对合理,略贫Cu而富Se.采用此薄膜为吸收层制备CIS原型薄膜太阳能电池,其光电测试显示单层CIS光伏响应达到1.6%.

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