Quantification of nano- and mesoscale phase separation and relation to donor and acceptor quantum efficiency, Jsc, and FF in polymer:Fullerene solar cells

Wei Ma; John R. Tumbleston; Long Ye; Cheng Wang; Jianhui Hou; Harald Ade

doi:10.1002/adma.201400216

Quantification of nano- and mesoscale phase separation and relation to donor and acceptor quantum efficiency, J_sc, and FF in polymer:Fullerene solar cells

Wei Ma
, John R. Tumbleston
, Long Ye
, Cheng Wang
, Jianhui Hou
, Harald Ade

North Carolina State University
Chinese Academy of Sciences
University of Chinese Academy of Sciences
United States Department of Energy

Research output: Contribution to journal › Article › peer-review

131 Scopus citations

Abstract

Two characteristic length scales are revealed and quantified in a complex hierarchical polymer-fullerene blend by combining different X-ray scattering techniques. Anti-correlated composition variations between meso- and nanoscale separation are observed and impacted by the solvent mixture. Due to competition between the impact of the two length scales, the relation to device performance is complex and an ideal morphology is yet to be delineated.

Original language	English
Pages (from-to)	4234-4241
Number of pages	8
Journal	Advanced Materials
Volume	26
Issue number	25
DOIs	https://doi.org/10.1002/adma.201400216
State	Published - Jul 2014
Externally published	Yes

Keywords

domain purity
hierarchical morphology
organic solar cells
quantum efficiency
resonant soft X-ray scattering

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10.1002/adma.201400216

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abstract = "Two characteristic length scales are revealed and quantified in a complex hierarchical polymer-fullerene blend by combining different X-ray scattering techniques. Anti-correlated composition variations between meso- and nanoscale separation are observed and impacted by the solvent mixture. Due to competition between the impact of the two length scales, the relation to device performance is complex and an ideal morphology is yet to be delineated.",

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author = "Wei Ma and Tumbleston, \{John R.\} and Long Ye and Cheng Wang and Jianhui Hou and Harald Ade",

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AU - Ma, Wei

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AU - Ye, Long

AU - Wang, Cheng

AU - Hou, Jianhui

AU - Ade, Harald

PY - 2014/7

Y1 - 2014/7

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AB - Two characteristic length scales are revealed and quantified in a complex hierarchical polymer-fullerene blend by combining different X-ray scattering techniques. Anti-correlated composition variations between meso- and nanoscale separation are observed and impacted by the solvent mixture. Due to competition between the impact of the two length scales, the relation to device performance is complex and an ideal morphology is yet to be delineated.

KW - domain purity

KW - hierarchical morphology

KW - organic solar cells

KW - quantum efficiency

KW - resonant soft X-ray scattering

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U2 - 10.1002/adma.201400216

DO - 10.1002/adma.201400216

M3 - 文章

AN - SCOPUS:84903724646

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Quantification of nano- and mesoscale phase separation and relation to donor and acceptor quantum efficiency, J_sc, and FF in polymer:Fullerene solar cells

Abstract

Keywords

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