Universal formation of compositionally graded bulk heterojunction for efficiency enhancement in organic photovoltaics

Zhengguo Xiao; Yongbo Yuan; Bin Yang; Jeremy Vanderslice; Jihua Chen; Ondrej Dyck; Gerd Duscher; Jinsong Huang

doi:10.1002/adma.201305196

Universal formation of compositionally graded bulk heterojunction for efficiency enhancement in organic photovoltaics

Zhengguo Xiao, Yongbo Yuan, Bin Yang, Jeremy Vanderslice, Jihua Chen, Ondrej Dyck, Gerd Duscher, Jinsong Huang

Macromolecular Nanomaterials

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

146 Scopus citations

Abstract

A universal method is reported to form graded bulk heterojunction (BHJ) organic photovoltaic devices (OPVs) by a simple solvent-fluxing process. Donors are enriched at the anode and acceptors are enriched at cathode side, matching the gradient electron and hole current across the film. Efficiency enhancements by 15-50% are achieved for all BHJ systems tested compared with the optimized regular BHJ OPVs.

Original language	English
Pages (from-to)	3068-3075
Number of pages	8
Journal	Advanced Materials
Volume	26
Issue number	19
DOIs	https://doi.org/10.1002/adma.201305196
State	Published - May 21 2014

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abstract = "A universal method is reported to form graded bulk heterojunction (BHJ) organic photovoltaic devices (OPVs) by a simple solvent-fluxing process. Donors are enriched at the anode and acceptors are enriched at cathode side, matching the gradient electron and hole current across the film. Efficiency enhancements by 15-50% are achieved for all BHJ systems tested compared with the optimized regular BHJ OPVs.",

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AU - Xiao, Zhengguo

AU - Yuan, Yongbo

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AU - Vanderslice, Jeremy

AU - Chen, Jihua

AU - Dyck, Ondrej

AU - Duscher, Gerd

AU - Huang, Jinsong

PY - 2014/5/21

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AB - A universal method is reported to form graded bulk heterojunction (BHJ) organic photovoltaic devices (OPVs) by a simple solvent-fluxing process. Donors are enriched at the anode and acceptors are enriched at cathode side, matching the gradient electron and hole current across the film. Efficiency enhancements by 15-50% are achieved for all BHJ systems tested compared with the optimized regular BHJ OPVs.

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Universal formation of compositionally graded bulk heterojunction for efficiency enhancement in organic photovoltaics

Abstract

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