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该文介绍了用热蒸发技术制备CSCU2I3薄膜的方法;根据CSCU2I3的低温吸收谱计算出其激子参数;谱分析表明,CSCU2I3的电子和激子激发定域在CUI3－4组成的双链结构之中是导致其光谱复杂性的主要原因.“,”This paper introduces a method of manufacturing CsCu?2I?3 thin films through hot evaporation.According to the absorption spectra at low temperature,the excitonic coefficient of CsCu?2I?3 was calculated.The spectral analysis shows that the localization of electron and exciton excitations in the twofold Chain created by CuI_4~3-?? causes the complicated character of the optical spectra of CsCu?2I?3.??