Heavy-Atom" Donor-Acceptor Conjugated Polymers

被引：23

作者：

Gibson, Gregory L. ^{[1
]}

Seferos, Dwight S. ^{[1
]}

机构：

[1] Univ Toronto, Dept Chem, Lash Miller Chem Labs, Toronto, ON M5S 3H6, Canada

来源：

MACROMOLECULAR CHEMISTRY AND PHYSICS | 2014年 / 215卷 / 09期

基金：

加拿大自然科学与工程研究理事会;

关键词：

conjugated polymers; heteroatom-containing polymers; optical materials; polymer electronics; solar cells; LIGHT-EMITTING-DIODES; BAND-GAP POLYMERS; SOLAR-CELLS; PHOTOVOLTAIC PERFORMANCE; SEMICONDUCTING POLYMERS; OPTICAL-PROPERTIES; RATIONAL DESIGN; HIGH-EFFICIENCY; COPOLYMERS; BENZOTHIADIAZOLE;

D O I：

10.1002/macp.201400042

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Heavy-atom substitution chemistry in donor-acceptor (D-A) conjugated polymers has gained increasing attention in the past few years. Overall, the introduction of heavy atoms (below C in group 14; below N in group 15; below S in group 16) into D-A conjugated polymers allows control over properties through relatively straightforward synthetic chemistry, and produces materials with high molecular weights (>20 000 g mol(-1)), strong absorption (epsilon approximate to 40 000 L mol(-1) cm(-1)), narrow highest occupied molecular orbital (HOMO)-lowest unoccupied molecular orbital (LUMO) gaps (<1 eV), as well as high charge-carrier mobility (>10(-2) cm(2) V-1 s(-1)). This Trend article aims to describe heavy-atom substitution effects in D-A polymers, and their applications, by systematically examining representative polymer structures.

引用

页码：811 / 823

页数：13

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