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Issue 13, 2017, Issue in Progress
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A universal processing additive for high-performance polymer solar cells

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Abstract

To optimize the performance of polymer solar cells, various techniques have been developed and reported from various research fields. The introduction of processing additives in the polymer : PCBM bulk-heterojunction solution is one of the efficient strategies used to improve the cell performance. Although numerous solvents have been presented as processing additives, an appropriate processing additive is always different for each polymer solar cell. In this manuscript, we demonstrate that diphenyl ether (DPE) works as a widely beneficial processing additive, which provides high-performance polymer solar cells from all types of photovoltaic polymers. DPE acts like a theta solvent to photovoltaic polymers, helps to form ideal bulk-heterojunction film morphologies and suppresses bimolecular charge recombination. This study suggests an efficient way to optimize the performance of polymer solar cells using DPE regardless of the photovoltaic polymers used.

Graphical abstract: A universal processing additive for high-performance polymer solar cells

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Supplementary files

Article information


Submitted
09 Dec 2016
Accepted
05 Jan 2017
First published
23 Jan 2017

This article is Open Access

RSC Adv., 2017,7, 7476-7482
Article type
Paper

A universal processing additive for high-performance polymer solar cells

T. H. Lee, S. Y. Park, B. Walker, S. Ko, J. Heo, H. Y. Woo, H. Choi and J. Y. Kim, RSC Adv., 2017, 7, 7476
DOI: 10.1039/C6RA27944A

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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the Centre National de la Recherche Scientifique (CNRS) and the RSC.
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    [Original citation] - Published by the PCCP Owner Societies.
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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
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    [Original citation] - Published by The Royal Society of Chemistry.

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