Efficient organic solar cells with benzo[b]phenazine-core acceptors: insights into the effects of halogenation

被引：0

作者：

Tian, Han ^{[1
]}

Sun, Kangbo ^{[2
]}

Wang, Yufei ^{[2
]}

Chen, Zhanxiang ^{[1
]}

Zhang, Guangye ^{[2
]}

Luo, Zhenghui ^{[1
]}

机构：

[1] Shenzhen Univ, Coll Mat Sci & Engn, Guangdong Prov Key Lab New Energy Mat Serv Safety, Shenzhen Key Lab New Informat Display & Storage Ma, Shenzhen 518060, Peoples R China

[2] Shenzhen Technol Univ, Coll New Mat & New Energies, Shenzhen 518118, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2024年 / 60卷 / 98期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1039/d4cc05634e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of new small-molecule acceptors-NA9, NA10, and NA11-based on benzo[b]phenazine are synthesized. The chlorinated NA10 and brominated NA11 exhibit improved molecular packing and enhanced charge transport, resulting in higher power conversion efficiencies (PCEs) of 15.65% and 16.64%, respectively, compared to 11.66% for the non-halogenated NA9. These results underscore the great potential of peripheral halogenation particularly bromination, in achieving high-performance OSCs.

引用

页码：14656 / 14659

页数：4

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