基于Ⅳ-Ⅵ族化合物的胶体量子点具有易于合成、带隙可调等优点，被认为是一种非常有前途的窄带隙光伏材料。近年来，利用Ⅳ-Ⅵ族化合物制作的胶体量子点太阳电池最高转换效率已经突破10%。介绍了胶体量子点的合成方法、基本结构及其光电特性；着重分析了国内外关于肖特基和异质结胶体量子点太阳电池的研究现状，指出了目前该领域研究中存在的问题和发展趋势，并分析了未来需要重点解决的关键问题。
Colloidal quantum dots prepared by Ⅳ-Ⅵ compounds were considered to be very promising narrow band gap photo-voltaic materials thanks to their simple synthesis methods and adj ustable band gap.In recent years,the highest conversion efficiency of colloidal quantum dot solar cells prepared by Ⅳ-Ⅵ compounds has exceeded 10%.This paper introduces synthesis methods,basic structure and the optical and electrical properties of Ⅳ-Ⅵ compounds,analyzes the current research status of Schottky and hetero-j unction colloidal quantum dot solar cells,points out the existing problems and the development trend,and proposes key problem to be solved in the future.
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