Journal article 966 views
Highly Efficient and Reproducible Nonfullerene Solar Cells from Hydrocarbon Solvents
ACS Energy Letters, Volume: 2, Issue: 7, Pages: 1494 - 1500
Swansea University Author:
James Durrant
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DOI (Published version): 10.1021/acsenergylett.7b00390
Abstract
With chlorinated solvents unlikely to be permitted for use in solution-processed organic solar cells in industry, there must be a focus on developing nonchlorinated solvent systems. Here we report high-efficiency devices utilizing a low-bandgap donor polymer (PffBT4T-2DT) and a nonfullerene acceptor...
Published in: | ACS Energy Letters |
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ISSN: | 2380-8195 2380-8195 |
Published: |
2017
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URI: | https://cronfa.swan.ac.uk/Record/cronfa37057 |
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2017-11-27T09:30:08.2452758 v2 37057 2017-11-27 Highly Efficient and Reproducible Nonfullerene Solar Cells from Hydrocarbon Solvents f3dd64bc260e5c07adfa916c27dbd58a 0000-0001-8353-7345 James Durrant James Durrant true false 2017-11-27 MTLS With chlorinated solvents unlikely to be permitted for use in solution-processed organic solar cells in industry, there must be a focus on developing nonchlorinated solvent systems. Here we report high-efficiency devices utilizing a low-bandgap donor polymer (PffBT4T-2DT) and a nonfullerene acceptor (EH-IDTBR) from hydrocarbon solvents and without using additives. When mesitylene was used as the solvent, rather than chlorobenzene, an improved power conversion efficiency (11.1%) was achieved without the need for pre- or post-treatments. Despite altering the processing conditions to environmentally friendly solvents and room-temperature coating, grazing incident X-ray measurements confirmed that active layers processed from hydrocarbon solvents retained the robust nanomorphology obtained with hot-processed chlorinated solvents. The main advantages of hydrocarbon solvent-processed devices, besides the improved efficiencies, were the reproducibility and storage lifetime of devices. Mesitylene devices showed better reproducibility and shelf life up to 4000 h with PCE dropping by only 8% of its initial value. Journal Article ACS Energy Letters 2 7 1494 1500 2380-8195 2380-8195 14 7 2017 2017-07-14 10.1021/acsenergylett.7b00390 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2017-11-27T09:30:08.2452758 2017-11-27T09:27:04.9541662 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Andrew Wadsworth 1 Raja S. Ashraf 2 Maged Abdelsamie 3 Sebastian Pont 4 Mark Little 5 Maximilian Moser 6 Zeinab Hamid 7 Marios Neophytou 8 Weimin Zhang 9 Aram Amassian 10 James Durrant 0000-0001-8353-7345 11 Derya Baran 12 Iain McCulloch 13 |
title |
Highly Efficient and Reproducible Nonfullerene Solar Cells from Hydrocarbon Solvents |
spellingShingle |
Highly Efficient and Reproducible Nonfullerene Solar Cells from Hydrocarbon Solvents James Durrant |
title_short |
Highly Efficient and Reproducible Nonfullerene Solar Cells from Hydrocarbon Solvents |
title_full |
Highly Efficient and Reproducible Nonfullerene Solar Cells from Hydrocarbon Solvents |
title_fullStr |
Highly Efficient and Reproducible Nonfullerene Solar Cells from Hydrocarbon Solvents |
title_full_unstemmed |
Highly Efficient and Reproducible Nonfullerene Solar Cells from Hydrocarbon Solvents |
title_sort |
Highly Efficient and Reproducible Nonfullerene Solar Cells from Hydrocarbon Solvents |
author_id_str_mv |
f3dd64bc260e5c07adfa916c27dbd58a |
author_id_fullname_str_mv |
f3dd64bc260e5c07adfa916c27dbd58a_***_James Durrant |
author |
James Durrant |
author2 |
Andrew Wadsworth Raja S. Ashraf Maged Abdelsamie Sebastian Pont Mark Little Maximilian Moser Zeinab Hamid Marios Neophytou Weimin Zhang Aram Amassian James Durrant Derya Baran Iain McCulloch |
format |
Journal article |
container_title |
ACS Energy Letters |
container_volume |
2 |
container_issue |
7 |
container_start_page |
1494 |
publishDate |
2017 |
institution |
Swansea University |
issn |
2380-8195 2380-8195 |
doi_str_mv |
10.1021/acsenergylett.7b00390 |
college_str |
Faculty of Science and Engineering |
hierarchytype |
|
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facultyofscienceandengineering |
hierarchy_top_title |
Faculty of Science and Engineering |
hierarchy_parent_id |
facultyofscienceandengineering |
hierarchy_parent_title |
Faculty of Science and Engineering |
department_str |
School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering |
document_store_str |
0 |
active_str |
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description |
With chlorinated solvents unlikely to be permitted for use in solution-processed organic solar cells in industry, there must be a focus on developing nonchlorinated solvent systems. Here we report high-efficiency devices utilizing a low-bandgap donor polymer (PffBT4T-2DT) and a nonfullerene acceptor (EH-IDTBR) from hydrocarbon solvents and without using additives. When mesitylene was used as the solvent, rather than chlorobenzene, an improved power conversion efficiency (11.1%) was achieved without the need for pre- or post-treatments. Despite altering the processing conditions to environmentally friendly solvents and room-temperature coating, grazing incident X-ray measurements confirmed that active layers processed from hydrocarbon solvents retained the robust nanomorphology obtained with hot-processed chlorinated solvents. The main advantages of hydrocarbon solvent-processed devices, besides the improved efficiencies, were the reproducibility and storage lifetime of devices. Mesitylene devices showed better reproducibility and shelf life up to 4000 h with PCE dropping by only 8% of its initial value. |
published_date |
2017-07-14T03:46:34Z |
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1763752221432872960 |
score |
11.021648 |