从光电转换原理出发,阐述了全固态量子点太阳电池的一般结构与工作机理,并展示了电池所用材料的能带结构和载流子迁移过程。然后围绕半导体p-n结模型描述了量子点太阳电池的工作特性及重要的性能参数,进而系统地介绍了电池各功能层的常用制备方法。在此基础上,对PbS和Sb2S3两种材料体系的量子点太阳电池的国内外研究进展进行了全面的回顾,从器件结构的优化到材料制备工艺的完善,再到各种量子点表面修饰方法的采用,总结了这两种量子点太阳电池的发展过程与最新成果,并分析了目前阻碍其发展的重要因素,最后对全固态量子点太阳电池的前景进行了展望。
Based on the principle of photoelectric conversion,the general structure and working mechanism of the all-solid-state quantum dot solar cells are demonstrated,and the energy band structures and carrier transport processes of the materials used in all-solid-state quantum dot solar cells are shown.Then,a semiconductor p-n junction model is used to describe the operating characteristics and important performance parameters of the quantum dot solar cells,and the common preparation methods of each function layer are systematically introduced.On this basis,from the device structure optimization to the improvement of the material preparation process and the adoption of the various quantum dot surface modification methods,the domestic and overseas research progresses of the PbS and Sb2S3 quantum dot solar cells are comprehensively reviewed.Then the development processes and latest achievements of them are summarized,and the important factors to hinder their developments are analyzed.Finally,the prospects of the all-solid-state quantum dot solar cells are expected.