Additive-assisted supramolecular manipulation of polymer:fullerene blend phase morphologies and its influence on photophysical processes

被引：53

作者：

Buchaca-Domingo, E. ^{[1
,2
]}

Ferguson, A. J. ^{[3
]}

Jamieson, F. C. ^{[2
,4
]}

McCarthy-Ward, T. ^{[2
,4
]}

Shoaee, S. ^{[2
,4
]}

Tumbleston, J. R. ^{[5
]}

Reid, O. G. ^{[3
]}

Yu, L. ^{[2
,4
]}

Madec, M. -B. ^{[2
,4
,7
]}

Pfannmoeller, M. ^{[8
]}

Hermerschmidt, F. ^{[1
,2
]}

Schroeder, R. R. ^{[8
,9
]}

Watkins, S. E. ^{[10
]}

Kopidakis, N. ^{[3
]}

Portale, G. ^{[11
]}

Amassian, A. ^{[6
]}

Heeney, M. ^{[2
,4
]}

Ade, H. ^{[5
]}

Rumbles, G. ^{[3
,12
]}

Durrant, J. R. ^{[2
,4
]}

Stingelin, N. ^{[1
,2
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Dept Mat, London, England

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

[3] Natl Renewable Energy Lab, Chem & Mat Sci Ctr, Golden, CO USA

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

[5] N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA

[6] KAUST, Div Phys Sci & Engn, Solar & Photovolta Engn Res Ctr, Thuwal, Saudi Arabia

[7] Solvay Interox, Warrington, Cheshire, England

[8] Heidelberg Univ, BioQuant, CellNetworks, Heidelberg, Germany

[9] InnovationLab GmbH, Heidelberg, Germany

[10] CSIRO Mat Sci & Engn, Clayton, Vic, Australia

[11] Netherlands Org Sci Res, DUBBLE CRG ESRF BM26, Grenoble, France

[12] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA

来源：

MATERIALS HORIZONS | 2014年 / 1卷 / 02期

基金：

英国工程与自然科学研究理事会;

关键词：

CHARGE SEPARATION; SEMICONDUCTING POLYMERS; CARRIER GENERATION; MISCIBILITY; POLY(3-HEXYLTHIOPHENE); FILMS; SPECTROSCOPY; PERFORMANCE; FULLERENES; DEPENDENCE;

D O I：

10.1039/c3mh00125c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

It is well known that even small variations in the solid-state microstructure of polymer: fullerene bulk heterojunctions can drastically change their organic solar cell device performance. We employ pBTTT: PC61BM as a model system and manipulate co-crystal formation of 1 : 1 (by weight) blends with the assistance of fatty acid methyl esters as additives. This allows us to evaluate the role of the intermixed phase in such binary blends through manipulation of their phase morphology-from fully intercalated to partially and predominantly non-intercalated systems-and its effect on the exciton-and carrier-dynamics and the efficiency of charge collection, with relevance for future device design and manufacturing.

引用

页码：270 / 279

页数：10

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