Modular Establishment of a Diketopyrrolopyrrole-Based Polymer Library via Pd-Catalyzed Direct C-H (Hetero)arylation: a Highly Efficient Approach to Discover Low-Bandgap Polymers

被引：74
作者：
Guo, Qiang [1 ,2 ]
Dong, Jiaxing [1 ,2 ]
Wan, Danyang [1 ,2 ]
Wu, Di [1 ,2 ]
You, Jingsong [1 ,2 ]
机构：
[1] Sichuan Univ, Key Lab Green Chem & Technol, Minist Educ, Coll Chem, Chengdu 610064, Peoples R China
[2] Sichuan Univ, West China Med Sch, State Key Lab Biotherapy, Chengdu 610064, Peoples R China
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2013年 / 34卷 / 06期
基金：
国家高技术研究发展计划(863计划);
关键词：
direct (hetero)arylation; Pd-catalysis; polycondensation; dithienyldiketopyrrolopyrrole (DTDPP)-based polymers; low bandgap; THIN-FILM TRANSISTORS; DONOR-ACCEPTOR COPOLYMERS; SOLAR-CELL APPLICATIONS; PI-CONJUGATED POLYMERS; DIRECT ARYLATION; SYNTHETIC METHOD; POLYCONDENSATION; HETEROARENES; HETEROCYCLES; PERFORMANCE;
D O I：
10.1002/marc.201200737
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A concise, highly efficient palladium-catalyzed direct CH (hetero)arylation is developed to modularly assemble a diketopyrrolopyrrole (DTDPP)-based polymer library to screen low-bandgap and near-infrared (NIR) absorbing materials. The DTDPP-based copolymers P1 and P2 with an alternating donoracceptordonoracceptor (DADA) sequence and the homopolymer P9 exhibit planarity and excellent -conjugation, which lead to low bandgaps (down to 1.22 eV) as well as strong and broad NIR absorption bands (up to 1000 nm).
引用
收藏
页码：522 / 527
页数：6
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