Fused pyrrolo[3,2-d:4,5-d′]bisthiazole-containing polymers for using in high-performance organic bulk heterojunction solar cells

被引：16

作者：

Xia, Ruidong ^{[1
,2
]}

Al-Hashimi, Mohammed ^{[3
,4
]}

Tsoi, Wing C. ^{[1
,2
]}

Heeney, Martin ^{[3
,4
]}

Bradley, Donal D. C. ^{[1
,2
]}

Nelson, Jenny ^{[1
,2
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Phys, London SW7 2AZ, England

[2] Univ London Imperial Coll Sci Technol & Med, Ctr Plast Elect, London SW7 2AZ, England

[3] Univ London Imperial Coll Sci Technol & Med, Dept Chem, London SW7 2BW, England

[4] Univ London Imperial Coll Sci Technol & Med, Ctr Plast Elect, London SW7 2BW, England

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2012年 / 96卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

Organic solar cells; Low band gap; Absorbance spectra; Crystallization; External quantum efficiency; CONVERSION EFFICIENCY; CONJUGATED POLYMER; MORPHOLOGY; NETWORK;

D O I：

10.1016/j.solmat.2011.09.027

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

We report a series of fused pyrrolo[3,2-d:4,5-d']bisthiazole (PBTz)-containing polymers as OPV donor materials, which exhibit a combination of small optical band gap, good solubility and relatively high molecular weight. The performance of the organic photovoltaic cells (OPV) made using the PBTz-containing polymers is studied. The highest performance was obtained with the polymer exhibiting the strongest crystallinity in the blend film, a PBTz-fused bithiophene polymer. Blend devices made from this polymer with PC70BM delivered a short-circuit current density of up to 9.4 mA cm(-2), an open-circuit voltage of 0.61 V. a fill factor of 53% and a power conversion efficiency of 3%. (C) 2011 Elsevier B.V. All rights reserved.

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页码：112 / 116

页数：5

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