High-efficiency and air-stable P3HT-based polymer solar cells with a new non-fullerene acceptor
File(s)
Published version
Author(s)
Type
Journal Article
Abstract
Solution-processed organic photovoltaics (OPV) offer the attractive prospect of low-cost, light-weight and environmentally benign solar energy production. The highest efficiency OPV at present use low-bandgap donor polymers, many of which suffer from problems with stability and synthetic scalability. They also rely on fullerene-based acceptors, which themselves have issues with cost, stability and limited spectral absorption. Here we present a new non-fullerene acceptor that has been specifically designed to give improved performance alongside the wide bandgap donor poly(3-hexylthiophene), a polymer with significantly better prospects for commercial OPV due to its relative scalability and stability. Thanks to the well-matched optoelectronic and morphological properties of these materials, efficiencies of 6.4% are achieved which is the highest reported for fullerene-free P3HT devices. In addition, dramatically improved air stability is demonstrated relative to other high-efficiency OPV, showing the excellent potential of this new material combination for future technological applications.
Date Issued
2016-06-09
Date Acceptance
2016-04-12
Citation
Nature Communications, 2016, 7, pp.1-11
ISSN
2041-1723
Publisher
Nature Publishing Group
Start Page
1
End Page
11
Journal / Book Title
Nature Communications
Volume
7
Copyright Statement
This work is licensed under a Creative Commons Attribution 4.0
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article are included in the article’s Creative Commons license, unless indicated otherwise
in the credit line; if the material is not included under the Creative Commons license,
users will need to obtain permission from the license holder to reproduce the material.
To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
International License. The images or other third party material in this
article are included in the article’s Creative Commons license, unless indicated otherwise
in the credit line; if the material is not included under the Creative Commons license,
users will need to obtain permission from the license holder to reproduce the material.
To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
License URL
Sponsor
Commission of the European Communities
Commission of the European Communities
Commission of the European Communities
Engineering & Physical Science Research Council (E
Engineering & Physical Science Research Council (EPSRC)
Identifier
https://www.nature.com/articles/ncomms11585
Grant Number
610115
PIRSES-GA-2013-612538
604397
EP/M023532/1
EP/J021199/1
Subjects
Science & Technology
Multidisciplinary Sciences
Science & Technology - Other Topics
POWER-CONVERSION EFFICIENCY
HIGH-PERFORMANCE
ELECTRON-ACCEPTORS
SEMICONDUCTING POLYMERS
TRANSISTORS
MORPHOLOGY
P3HT
RECOMBINATION
OPTIMIZATION
STABILITY
Publication Status
Published
Article Number
11585
Date Publish Online
2016-06-09