Microstructure and optical properties of sprayed γ-CuI thin films for CuInS_2 solar cells
Microstructure and optical properties of sprayed γ-CuI thin films for CuInS_2 solar cells作者机构：Advanced Technology ＆ Materials Co.Ltd.China Iron ＆ Steel Research Institute GroupBeijing 100081China
出 版 物：《Rare Metals》 (稀有金属（英文版）)
年 卷 期：2011年第30卷第1期
页 面：22-27页
核心收录：
学科分类：08[工学] 081304[工学-建筑技术科学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 0813[工学-建筑学] 0803[工学-光学工程]
基 金：supported by Beijing Municipal Natural Science Foundation (No.2091003)
主 题：solar cells thin films spraying microstructure optical properties
摘 要：γ-CuI thin films were prepared by a spraying method using acetonitrile as a solvent,CuI and iodine as *** influences of substrate temperature on the structure,topography,and optical properties of CuI films were *** electron microscope（SEM） photos revealed that the shape and grain size of CuI grains were related to substrate temperature.X-ray diffraction results showed that substrate temperature affected the crystalline quality of CuI *** the substrate temperature was 110°C,CuI thin films showed γ-phase zinkblende structure with（111） preferred *** dimension of the globular CuI crystallite was approximately 35 nm,the energy band gap was 2.97 eV,the maximum transmittance was 87.3% in the part of the visible region,and the open circuit voltage was close to 380 *** opened a route for a cadmium-free buffer layer for CuInS2 solar cells.
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