钙钛矿结构有机金属卤化物量子点太阳能电池的研究

Organometal halid perovskites arouse much attention as a light absorber in Quantum dot solar cells. One-dimensional(1D) nanostructure based quantum dot solar cells can make photo-generated charges separate quickly so that low cost and high performance nanostructure solar cells can be obtained, which is very interesting and have important potential in applications. The project focuses on designing and fabricating low cost and high performance solar cells with new hierachical nanostructure TiO2 photoelectrodes which have both large surface area and high electron transport properties and absorb solar energy by organometal halid perovskite quantum dots. The subject will fabricate 1D nanostructure arrays with controllable size and density distribution, and then build hierachical structure and fabricate high performance and low cost organometal halid perovskite quantum dot solar cells; during the process research on how to increase the absorbance and decrease the recombination will be done to improve the photoelectric conversion efficiency; the relationship between structure and performance will be calrified on this basis, and the reaction mechanism will also be explored.

钙钛矿结构有机金属卤化物是量子点太阳能电池研究中的一个新兴敏化剂，构建一维纳米阵列结构基的钙钛矿结构有机金属卤化物量子点太阳能电池，可以实现光生电子空穴的快速分离，有望获得低成本高光电性能的新型纳米结构太阳能电池，所以具有重要的学术意义和应用前景。本项目旨在设计合成基于一维纳米阵列多级复合结构的新型TiO2光电极材料，使其同时具有大比表面积和高电子输运性能，并用钙钛矿结构有机金属卤化物量子点作为吸光材料，以制备低成本高性能的太阳能电池。本课题将制备尺寸和密度分布可控的一维纳米阵列结构，在此基础上构建多级结构，制备出同时具有大表面积和高传输速率的纳米复合结构光电极，然后组装高性能低成本的钙钛矿结构有机金属卤化物太阳能电池；在这个过程中研究提高电池吸光率和减少界面复合的新方法，以提高光电转换效率，在此基础上总结结构与性能之间的关系，阐明其基本规律，探讨反应机理，为进一步改善太阳能电池性能提供