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Age-induced excellence with green solvents: the impact of residual solvent and post-treatments in screen-printed carbon perovskite solar cells and modules

Carys Worsley, Sarah-Jane Potts Orcid Logo, Declan Hughes Orcid Logo, Wing Chung Tsoi Orcid Logo, Trystan Watson Orcid Logo

Materials Advances, Volume: 5, Issue: 10, Pages: 4354 - 4365

Swansea University Authors: Carys Worsley, Sarah-Jane Potts Orcid Logo, Declan Hughes Orcid Logo, Wing Chung Tsoi Orcid Logo, Trystan Watson Orcid Logo

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DOI (Published version): 10.1039/d4ma00136b

Abstract

Printable mesoscopic carbon perovskite solar cells (CPSCs) are cited as a potential frontrunner to commercialisation, as they are fabricated using low-cost screen printing. CPSCs produced using different perovskite precursor solvents benefit from different post-treatments. For example, cells made wi...

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Published in: Materials Advances
ISSN: 2633-5409
Published: Royal Society of Chemistry (RSC) 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa66402
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CPSCs produced using different perovskite precursor solvents benefit from different post-treatments. For example, cells made with DMF/DMSO precursors improve with light exposure, whereas γ-butyrolactone cells require humidity exposure for peak performance. Understanding the evolution of devices fabricated using different systems is therefore key to maximising PCE. This work examines the performance evolution of CPSCs and modules fabricated with low toxicity γ-valerolactone based precursors. It is found that PCE improves independently of humidity or light exposure due to gradual residual solvent loss and associated crystal realignment in the days following fabrication. In 1 cm2 cells significant Voc and FF produced an average increase of ∼15% on initial PCE, with some devices nearly doubling in performance. Similarly, 220 cm2 modules were also found to experience PCE increases. Critically, it appears this ageing step is essential for peak performance, as early encapsulation and extended heating impaired both performance and stability. 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spelling v2 66402 2024-05-13 Age-induced excellence with green solvents: the impact of residual solvent and post-treatments in screen-printed carbon perovskite solar cells and modules e74e27838a54d9df1fe7c5ee2cb8a126 Carys Worsley Carys Worsley true false 8c536622ba65fa1e04912d0e2ede88f7 0000-0003-0208-2364 Sarah-Jane Potts Sarah-Jane Potts true false 5590b62d833b89a43926267b2b7a5c29 0000-0001-6415-3717 Declan Hughes Declan Hughes true false 7e5f541df6635a9a8e1a579ff2de5d56 0000-0003-3836-5139 Wing Chung Tsoi Wing Chung Tsoi true false a210327b52472cfe8df9b8108d661457 0000-0002-8015-1436 Trystan Watson Trystan Watson true false 2024-05-13 EAAS Printable mesoscopic carbon perovskite solar cells (CPSCs) are cited as a potential frontrunner to commercialisation, as they are fabricated using low-cost screen printing. CPSCs produced using different perovskite precursor solvents benefit from different post-treatments. For example, cells made with DMF/DMSO precursors improve with light exposure, whereas γ-butyrolactone cells require humidity exposure for peak performance. Understanding the evolution of devices fabricated using different systems is therefore key to maximising PCE. This work examines the performance evolution of CPSCs and modules fabricated with low toxicity γ-valerolactone based precursors. It is found that PCE improves independently of humidity or light exposure due to gradual residual solvent loss and associated crystal realignment in the days following fabrication. In 1 cm2 cells significant Voc and FF produced an average increase of ∼15% on initial PCE, with some devices nearly doubling in performance. Similarly, 220 cm2 modules were also found to experience PCE increases. Critically, it appears this ageing step is essential for peak performance, as early encapsulation and extended heating impaired both performance and stability. This work may therefore help inform future work designing scaled-up processes for fabricating and encapsulating high performing CPSC modules. Journal Article Materials Advances 5 10 4354 4365 Royal Society of Chemistry (RSC) 2633-5409 Perovskite solar cells 3 4 2024 2024-04-03 10.1039/d4ma00136b COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University External research funder(s) paid the OA fee (includes OA grants disbursed by the Library) This work was made possible by support from the Royal Society International Collaboration award (ICA\R1\191321) and the Newton Fund Impact Scheme (541128962). Additional support was received via the EPSRC Programme Grant ATIP (Application Targeted and Integrated Photovoltaics) (EP/T028513/1) and the SPECIFIC Innovation and Knowledge Centre (EP/N020863/ 1), Innovate UK (920036) and European Regional Development Fund (c80892) through the Welsh Government. Data is available upon request from the author. 2024-11-04T11:45:55.6686974 2024-05-13T16:13:24.8153525 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Carys Worsley 1 Sarah-Jane Potts 0000-0003-0208-2364 2 Declan Hughes 0000-0001-6415-3717 3 Wing Chung Tsoi 0000-0003-3836-5139 4 Trystan Watson 0000-0002-8015-1436 5 66402__30339__7fcf687bd5394a4192514e92e7807104.pdf 66402.vOR.pdf 2024-05-13T16:19:33.9942534 Output 2948528 application/pdf Version of Record true Distributed under the terms of an open access Creative Commons Attribution CC-BY 3.0 Licence. true eng http://creativecommons.org/licenses/by/3.0/
title Age-induced excellence with green solvents: the impact of residual solvent and post-treatments in screen-printed carbon perovskite solar cells and modules
spellingShingle Age-induced excellence with green solvents: the impact of residual solvent and post-treatments in screen-printed carbon perovskite solar cells and modules
Carys Worsley
Sarah-Jane Potts
Declan Hughes
Wing Chung Tsoi
Trystan Watson
title_short Age-induced excellence with green solvents: the impact of residual solvent and post-treatments in screen-printed carbon perovskite solar cells and modules
title_full Age-induced excellence with green solvents: the impact of residual solvent and post-treatments in screen-printed carbon perovskite solar cells and modules
title_fullStr Age-induced excellence with green solvents: the impact of residual solvent and post-treatments in screen-printed carbon perovskite solar cells and modules
title_full_unstemmed Age-induced excellence with green solvents: the impact of residual solvent and post-treatments in screen-printed carbon perovskite solar cells and modules
title_sort Age-induced excellence with green solvents: the impact of residual solvent and post-treatments in screen-printed carbon perovskite solar cells and modules
author_id_str_mv e74e27838a54d9df1fe7c5ee2cb8a126
8c536622ba65fa1e04912d0e2ede88f7
5590b62d833b89a43926267b2b7a5c29
7e5f541df6635a9a8e1a579ff2de5d56
a210327b52472cfe8df9b8108d661457
author_id_fullname_str_mv e74e27838a54d9df1fe7c5ee2cb8a126_***_Carys Worsley
8c536622ba65fa1e04912d0e2ede88f7_***_Sarah-Jane Potts
5590b62d833b89a43926267b2b7a5c29_***_Declan Hughes
7e5f541df6635a9a8e1a579ff2de5d56_***_Wing Chung Tsoi
a210327b52472cfe8df9b8108d661457_***_Trystan Watson
author Carys Worsley
Sarah-Jane Potts
Declan Hughes
Wing Chung Tsoi
Trystan Watson
author2 Carys Worsley
Sarah-Jane Potts
Declan Hughes
Wing Chung Tsoi
Trystan Watson
format Journal article
container_title Materials Advances
container_volume 5
container_issue 10
container_start_page 4354
publishDate 2024
institution Swansea University
issn 2633-5409
doi_str_mv 10.1039/d4ma00136b
publisher Royal Society of Chemistry (RSC)
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id 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 1
active_str 0
description Printable mesoscopic carbon perovskite solar cells (CPSCs) are cited as a potential frontrunner to commercialisation, as they are fabricated using low-cost screen printing. CPSCs produced using different perovskite precursor solvents benefit from different post-treatments. For example, cells made with DMF/DMSO precursors improve with light exposure, whereas γ-butyrolactone cells require humidity exposure for peak performance. Understanding the evolution of devices fabricated using different systems is therefore key to maximising PCE. This work examines the performance evolution of CPSCs and modules fabricated with low toxicity γ-valerolactone based precursors. It is found that PCE improves independently of humidity or light exposure due to gradual residual solvent loss and associated crystal realignment in the days following fabrication. In 1 cm2 cells significant Voc and FF produced an average increase of ∼15% on initial PCE, with some devices nearly doubling in performance. Similarly, 220 cm2 modules were also found to experience PCE increases. Critically, it appears this ageing step is essential for peak performance, as early encapsulation and extended heating impaired both performance and stability. This work may therefore help inform future work designing scaled-up processes for fabricating and encapsulating high performing CPSC modules.
published_date 2024-04-03T11:45:54Z
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