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OALib Journal期刊
ISSN: 2333-9721
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硒化温度对铜铟镓硒太阳能电池吸收层性能的影响
Keywords: 无机非金属材料,？太阳能电池,？铜铟镓硒,？预制膜硒化,？硒化温度,？odc相,？cu--se相
Abstract:
？用预制膜硒化法制备铜铟硒系太阳能电池的吸收层cigse薄膜,用x射线荧光分析(xrf)、扫描电子显微镜(sem)、x射线衍射分析(xrd)和拉曼谱分析(raman)以及基于霍尔效应分别测定或观测cigse薄膜的成分、表面形貌、结构以及电阻率和少数载流子迁移率,研究了在近玻璃软化点520--560℃区间硒化温度对薄膜成分、表面形貌、结构和电学性能的影响。结果表明:当硒化温度在520--560℃时,cigse薄膜的成分和表面形貌保持不变,但是随着硒化温度的升高cigse薄膜中有序缺陷相(odc)和cu--se短路相增加,提高了薄膜内的缺陷浓度,使薄膜的少数载流子迁移率降低、电阻率增大。
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