本文采用真空蒸发法在CdTe粉末中按不同比例掺入CdSe粉末,选择合适的工艺条件,在玻璃衬底上制备了性能稳定的CdSexTe1-x三元化合物薄膜.利用XRD、紫外-可见分光光度计、XPS对薄膜的结构、光学性能、组成成分等进行了表征.XRD测试结果表明,薄膜均为立方闪锌矿结构的CdSexTe1-x三元化合物,并沿(111)晶面择优生长,晶格常数随x值增大而减小;透射光谱表明薄膜的吸收限随x值增大先向长波方向移动,x=0.64时达到最大值,然后向短波方向移动;XPS分析表明,薄膜的主要成分为CdSexTe1-x三元化合物,随着x值增大,Se、Te、Cd三种元素的特征峰均向高结合能方向偏移.
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