申请人:Williams P. Shawn
公开号:US20060237695A1
公开(公告)日:2006-10-26
Polythiophene copolymers having tunable work functions and oxidation voltage onset. The ratio of monomer can be varied to achieve the desired property for a particular application. One monomer can be unsubstituted thiophene. The copolymer microstructure can be random. Another monomer can be a 3-substituted thiophene such as 3-alkyl or a heteroatom substituted substituent. Heterojunction polymer photovoltaic cells can be fabricated with excellent voltage onset properties compared to devices having corresponding homopolymers.
聚噻吩共聚物具有可调的功函数和氧化电压起始点。单体的比例可以改变,以达到特定应用所需的性能。其中一种单体可以是未取代的噻吩。共聚物的微观结构可以是无规的。另一种单体可以是 3-取代噻吩,如 3-烷基或杂原子取代基。与具有相应均聚物的装置相比,异质结聚合物光伏电池具有出色的电压起始特性。