Preparation of Cu(In,Ga)Se₂ Thin Film by Solvothermal and Spin-coating Process

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• 作者：Ying Liu^a ; ^b ; ^{liuying1@mail.ustc.edu.cn} ; Deyi Kong^a ; ^b ; ^{kongdy@iim.ac.cn} ; Jiawei Li^a ; ^b ; Cong Zhao^a ; ^b ; Chilai Chen^a ; Juergen Brugger^c
• 关键词：CIGS ; solvothermal method ; spin-coating ; selenization
• 刊名：Energy Procedia
• 出版年：2012
• 期刊代码：P136_18766102
• 类别：pw
• 出版时间：2012
• 卷：16
• 期：part_PA
• 页码：217-222
• 文件大小：4841 K

摘要

A low-cost and non-vacuum process by solvothermal method, spin-coating route and selenization process was demonstrated for fabrication of Cu(In,Ga)Se₂ (CIGS) thin films. Firstly, the CIGS precursor nanoparticles were synthesized by solvothermal method. Subsequently, the CIGS films were synthesized via spin-coating and then selenization process. The obtained samples were systematically characterized by X-ray diffraction (XRD), Raman spectroscopy (RS) and Scanning electron microscopy (SEM). The phases of the CIGS precursor nanoparticles and films are typical chalcopyrite structure. The CIGS film structure is little distorted and considerably improved by post-selenization.