Donor-Acceptor Rod-Coil Block Copolymers Comprising Poly[2,7-(9,9-dihexylfluorene)-alt-bithiophene] and Fullerene as Compatibilizers for Organic Photovoltaic Devices

被引：11

作者：

Bicciocchi, Erika ^{[1
,2
]}

Haeussler, Matthias ^{[2
]}

Rizzardo, Ezio ^{[1
,2
]}

Scully, Andrew D. ^{[2
]}

Ghiggino, Kenneth P. ^{[1
]}

机构：

[1] Univ Melbourne, Sch Chem, Melbourne, Vic 3010, Australia

[2] CSIRO Mfg Flagship, Clayton, Vic 3168, Australia

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2015年 / 53卷 / 07期

基金：

澳大利亚研究理事会;

关键词：

block copolymer; compatibilizer; conjugated polymers; donor-acceptor rod-coil block copolymer; organic photovoltaic; photophysics; RAFT; thermal stability; transient absorption spectroscopy; LIVING RADICAL POLYMERIZATION; RAFT-SYNTHESIZED POLYMERS; OPEN-CIRCUIT VOLTAGE; SOLAR-CELLS; CONJUGATED POLYMERS; NORMAL-MODES; C-60; PERFORMANCE; EFFICIENCY; SPECTRA;

D O I：

10.1002/pola.27514

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The successful synthesis is described for a donor-acceptor rod-coil block copolymer comprising blocks of poly[2,7-(9,9-dihexylfluorene)-alt-bithiophene] (F6T2) and polystyrene functionalized with fullerene (PS(C-60)) (F6T2-b-PS(C-60)). This new material was obtained by combining Suzuki polycondensation with radical addition fragmentation chain transfer. The block copolymer was characterized by nuclear magnetic resonance, gel permeation chromatography, and optical spectroscopy methods. Photophysical data for (F6T2-b-PS(C-60)) and a related block copolymer (F6T2-b-PS(PCBM)) (PCBM, phenyl-C61-butyric acid methyl ester) are reported and their performance as compatibilizers in bulk heterojunction organic solar cells is assessed. It is demonstrated that the addition of the rod-coil block copolymers to the active layer extends the operational stability of organic photovoltaic devices. (c) 2015 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2015, 53, 888-903

引用

页码：888 / 903

页数：16

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