Three pyrido[2,3,4,5-lmn]phenanthridine derivatives and their large band gap copolymers for organic solar cells
作者:Ming Liu、Yamin Liang、Peihong Chen、Dongcheng Chen、Kunkun Liu、Yunchuan Li、Shengjian Liu、Xiong Gong、Fei Huang、Shi-Jian Su、Yong Cao
DOI:10.1039/c3ta13406g
日期:——
Three novel pyrido[2,3,4,5-lmn]phenanthridine derivatives of 4,9-dialkylpyrido[2,3,4,5-lmn]phenanthridine-5,10-dione, 10-alkoxy-4-alkylpyrido[2,3,4,5-lmn]phenanthridin-5-one, and 5,10-dialkoxypyrido[2,3,4,5-lmn]phenanthridine were synthesized as building blocks of copolymers Pa, Pb and Pc, giving relatively large band gaps of 2.13, 2.19 and 2.21 eV, respectively. Bulk-heterojunction (BHJ) solar cells
4,9-二烷基
吡啶[ 2,3,4,5 - lmn ]
菲啶-5,10-二酮,10-烷氧基-4-烷基
吡啶[3的三种新型
吡啶并[ 2,3,4,5 - lmn ]
菲啶衍
生物-2,3,4,5- LMN ]
菲啶-5-酮,和5,10- dialkoxypyrido [2,3,4,5- LMN ]
菲啶合成为构建共聚物的块帕,
铅和PC,得到相对大的带间隙分别为2.13、2.19和2.21 eV。通过利用所得的聚合物作为活性层的供体,以典型的器件构造来制造体异质结(BHJ)太阳能电池。一种功率转换效率的3.47%(PCE)从实现帕型设备,无需任何添加剂或热退火。在倒置器件架构中,PCE进一步提高了4.54%,这是迄今为止使用带隙高于2.1 eV的施主聚合物的BHJ聚合物太阳能电池的最高效率。