太阳能电池有机电子传输材料研究新进展

New Research Progress of Organic Electron Transport Materials in Solar Cells

当今能源危机问题日益紧迫,以太阳能为代表的新能源开发成为研究热点。有机半导体材料具有成本低廉、可塑性强、性能优异等特点,因此在太阳能电池领域中具有极大的应用前景。研发性能优异、成本低、稳定性高的有机电子传输材料是太阳能电池研究领域的重要内容。总结了近年来有机电子传输材料的研究进展和发展方向,按照其分子结构分为富勒烯衍生物、大π共轭体系、非π体系、改性材料、碳纳米材料等5类体系,分别介绍了其结构特性,讨论了其在太阳能电池应用中存在的问题及解决方法,综述了该领域的最新研究成果,最后总结了开发新型高效的有机电子传输材料的研究方向。

The development of new energy, which is represented by solar energy, has become a research hots- pot as the energy ciisis is becoming more and more urgent nowadays. Organic semiconductor materials are of great potential and prospect in the field of solar cells due to their low cost, high plasticity and excellent performance. The development of excellent performance, low cost and good stability of organic electron transport materials is an important part in the field of solar ceils. This paper summarizes the recent research progress of organic electron transport mate- rial, and development trend, in accordance with its molecular structure divided into the following five categories： fullerene and its derivatives, conjugated π system, non-conjugated n system, modified materials, carbon nano materials. This article introduces its structure characteristics, discusses its presence in solar cell applications and the methods to solve the problems, summarizes the latest research achievements in this field. Finally, we summarize the research direction of the development of new emerging highly efficient organic electron transport materials.