直接溶液涂膜法制备铜锌锡硫硒(CZTSSe)薄膜具有元素配比易于控制、高材料利用率以及易于大面积制备等潜在优点，是一种极具应用前景的非真空制备方法。综述了铜锌锡硫硒薄膜直接溶液涂膜法的特点，从形貌、杂质残留以及物相等方面回顾了近年来浆料法、溶胶-凝胶法、有机溶液法以及联氨溶液法的薄膜制备现状，分析了不同溶液体系的各自反应机制，讨论了溶液体系对薄膜制备的影响。对于浆料法，由于是通过纳米颗粒原料高温烧结制备薄膜，存在着致密性和晶粒尺寸难以改善以及杂相难以抑制等问题；溶胶-凝胶法和有机溶液法所使用的有机物会妨碍物相转化并导致杂质残留。
As one kind of non-vacuum method,direct solution coating(DSC)is great promising for copper zinc tin sulfur selenium (CZTSSe)thin film preparation since it can readily control the ratio of elements,has high material utilization and facilitates large area preparation.In this paper,the characteristics of DSC are intro-duced,the methods of slurry,sol-gel,organic-solution and hydrazine-solution for CZTSSe thin film preparation in recent years are reviewed from morphology,residual impurities and phase.Furthermore,different reaction mechanisms of respective methods are analyzed,and the existing problems are discussed.Grain size and density are difficult to improve and phase separation can not be suppressed easily since thin film prepared by slurry method depends on high temperature sintering.Organics that applied to sol-gel and organic-solution methods re-tard phase transformation and lead to residual impurities.
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