Accessing New DPP-Based Copolymers by Direct Heteroarylation Polymerization

被引：54

作者：

Pouliot, Jean-Remi ^{[1
]}

Mercier, Lauren G. ^{[1
]}

Caron, Samuel ^{[1
]}

Leclerc, Mario ^{[1
]}

机构：

[1] Univ Laval, Dept Chem, Quebec City, PQ G1V 0A6, Canada

来源：

MACROMOLECULAR CHEMISTRY AND PHYSICS | 2013年 / 214卷 / 04期

基金：

加拿大自然科学与工程研究理事会;

关键词：

conjugated polymers; copolymerization; diketopyrrolopyrrole; direct heteroarylation; organic field-effect transistor; FIELD-EFFECT TRANSISTORS; CATALYZED DIRECT ARYLATION; HIGH-PERFORMANCE AMBIPOLAR; CONJUGATED POLYMERS; MOBILITY; ACCEPTOR; SEMICONDUCTORS; DESIGN; HOLE;

D O I：

10.1002/macp.201200573

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 diketopyrrolopyrrole derivative was copolymerized with different electron-withdrawing units [i.e., thieno[3,4-c]pyrrole-4,6-dione (TPD), bis(thieno[3,4-c]pyrrole-4,6-dione) (BTPD), and 3,4-dicyanothiophene (DCT)] using direct heteroarylation polymerization (DHAP) methodology. Alternating copolymers with low-lying frontier orbitals suitable for n-type semiconducting behavior were obtained. Under optimized conditions, polymerization reactions were reproducible and high number-average molecular weights (Mn) were achieved. Density functional theory (DFT) calculations indicated that the structures with the lowest conformational energy had planar backbones. Preliminary results showed that these new low-bandgap materials exhibit good n-type behavior.

引用

页码：453 / 457

页数：5

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