Development of small-molecule materials for high-performance organic solar cells  

作　　者：Haijun Fan Xiaozhang Zhu 

机构地区：[1]Beijing National Laboratory for Molecular Sciences [2]CAS Key Laboratory of Organic Solids [3]Institute of Chemistry,Chinese Academy of Sciences

出　　处：《Science China Chemistry》2015年第6期922-936,共15页中国科学（化学英文版）

基　　金：supported by the National Basic Research Program of China(2014CB643502);the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB12010200);the National Natural Science Foundation of China(91333113)

摘　　要：With the rapid development in recent years, small-molecule organic solar cell is challenging the dominance of its counterpart, polymer solar cell. The top power conversion efficiencies of both single and tandem solar cells based on small molecules have surpassed 9%. In this mini review, achievements of small molecules with impressive photovoltaic performance especially reported in the last two years were highlighted. The relationship between molecular structure and device performance was analyzed, which draws some rules for rational molecular design. Five series of p- and n-type small molecules were selected based on the consideration of their competitiveness of power conversion efficiencies.With the rapid development in recent years, small-molecule organic solar cell is challenging the dominance of its counterpart, polymer solar cell. The top power conversion efficiencies of both single and tandem solar cells based on small molecules have surpassed 9%. In this mini review, achievements of small molecules with impressive photovoltaic performance especially re- ported in the last two years were highlighted. The relationship between molecular structure and device performance was ana- lyzed, which draws some rules for rational molecular design. Five series of p- and n-type small molecules were selected based on the consideration of their competitiveness of power conversion efficiencies.

关 键 词：small-molecule solar cells small-molecule donors small-molecule non-fullerene acceptors power conversion efficiency 

分 类 号：O621.2[理学—有机化学] TM914.4[理学—化学]