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Synthesis of SOT-OH and its application as a building block for the synthesis of new dimeric and trimeric Spiro-OMeTAD materials

Michele Cariello Orcid Logo, Namrata Pant Orcid Logo, Alexander H. Harkiss Orcid Logo, Frances M. Tracey Orcid Logo, Joseph Cameron Orcid Logo, Peter J. Skabara Orcid Logo, Peter Holliman Orcid Logo, Pablo Docampo Orcid Logo, Graeme Cooke Orcid Logo

Molecular Systems Design & Engineering, Volume: 7, Issue: 8, Pages: 899 - 905

Swansea University Author: Peter Holliman Orcid Logo

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DOI (Published version): 10.1039/d2me00038e

Abstract

Spiro-OMeTAD has become a ubiquitous hole-transporting material (HTM) in perovskite-based solar cells. However, it has several intrinsic drawbacks including its long-term stability, low conductivity and hole-mobility. Hence, the synthesis of new derivatives with improved charge transporting properti...

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Published in: Molecular Systems Design & Engineering
ISSN: 2058-9689
Published: Royal Society of Chemistry (RSC) 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa65194
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spelling 2024-04-03T16:22:43.5328068 v2 65194 2023-12-04 Synthesis of SOT-OH and its application as a building block for the synthesis of new dimeric and trimeric Spiro-OMeTAD materials c8f52394d776279c9c690dc26066ddf9 0000-0002-9911-8513 Peter Holliman Peter Holliman true false 2023-12-04 EAAS Spiro-OMeTAD has become a ubiquitous hole-transporting material (HTM) in perovskite-based solar cells. However, it has several intrinsic drawbacks including its long-term stability, low conductivity and hole-mobility. Hence, the synthesis of new derivatives with improved charge transporting properties remains an important goal. Here, we have devised a novel synthetic route to prepare unsymmetrically functionalised Spiro-OMeTAD derivatives. We report the synthesis of a mono-demethylated Spiro-OMeTAD derivative, SOT-OH, utilising two different synthetic protocols and show two new derivatives, a dimer (SOT-D) and a trimer (SOT-T) as exemplars. We fully characterise the developed materials and show significantly higher conductivity values than Spiro-OMeTAD when doped with standard ionic salts at the same concentrations. The solar cells fabricated using the mixed composition Cs0.05(FA0.85MA0.15)0.95PbI3 perovskite and the novel SOT-D show power conversion efficiencies of up to 16.4% under standard AM1.5 illumination compared to 16.1% observed when using the benchmark Spiro-OMeTAD. Journal Article Molecular Systems Design & Engineering 7 8 899 905 Royal Society of Chemistry (RSC) 2058-9689 Solar cells 28 4 2023 2023-04-28 10.1039/d2me00038e http://dx.doi.org/10.1039/d2me00038e COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University Another institution paid the OA fee 2024-04-03T16:22:43.5328068 2023-12-04T10:30:58.5820214 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Michele Cariello 0000-0001-9699-3710 1 Namrata Pant 0000-0001-9409-6055 2 Alexander H. Harkiss 0000-0003-0548-6276 3 Frances M. Tracey 0000-0002-2654-7245 4 Joseph Cameron 0000-0001-8622-8353 5 Peter J. Skabara 0000-0001-7319-0464 6 Peter Holliman 0000-0002-9911-8513 7 Pablo Docampo 0000-0001-6164-4748 8 Graeme Cooke 0000-0003-0890-5720 9 65194__29173__aba93aeb7eca450d9d90c503cd175161.pdf 65194_PHolliman.pdf 2023-12-04T10:34:08.1565138 Output 3060048 application/pdf Version of Record true This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. true eng https://creativecommons.org/licenses/by/3.0/
title Synthesis of SOT-OH and its application as a building block for the synthesis of new dimeric and trimeric Spiro-OMeTAD materials
spellingShingle Synthesis of SOT-OH and its application as a building block for the synthesis of new dimeric and trimeric Spiro-OMeTAD materials
Peter Holliman
title_short Synthesis of SOT-OH and its application as a building block for the synthesis of new dimeric and trimeric Spiro-OMeTAD materials
title_full Synthesis of SOT-OH and its application as a building block for the synthesis of new dimeric and trimeric Spiro-OMeTAD materials
title_fullStr Synthesis of SOT-OH and its application as a building block for the synthesis of new dimeric and trimeric Spiro-OMeTAD materials
title_full_unstemmed Synthesis of SOT-OH and its application as a building block for the synthesis of new dimeric and trimeric Spiro-OMeTAD materials
title_sort Synthesis of SOT-OH and its application as a building block for the synthesis of new dimeric and trimeric Spiro-OMeTAD materials
author_id_str_mv c8f52394d776279c9c690dc26066ddf9
author_id_fullname_str_mv c8f52394d776279c9c690dc26066ddf9_***_Peter Holliman
author Peter Holliman
author2 Michele Cariello
Namrata Pant
Alexander H. Harkiss
Frances M. Tracey
Joseph Cameron
Peter J. Skabara
Peter Holliman
Pablo Docampo
Graeme Cooke
format Journal article
container_title Molecular Systems Design & Engineering
container_volume 7
container_issue 8
container_start_page 899
publishDate 2023
institution Swansea University
issn 2058-9689
doi_str_mv 10.1039/d2me00038e
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 - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
url http://dx.doi.org/10.1039/d2me00038e
document_store_str 1
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description Spiro-OMeTAD has become a ubiquitous hole-transporting material (HTM) in perovskite-based solar cells. However, it has several intrinsic drawbacks including its long-term stability, low conductivity and hole-mobility. Hence, the synthesis of new derivatives with improved charge transporting properties remains an important goal. Here, we have devised a novel synthetic route to prepare unsymmetrically functionalised Spiro-OMeTAD derivatives. We report the synthesis of a mono-demethylated Spiro-OMeTAD derivative, SOT-OH, utilising two different synthetic protocols and show two new derivatives, a dimer (SOT-D) and a trimer (SOT-T) as exemplars. We fully characterise the developed materials and show significantly higher conductivity values than Spiro-OMeTAD when doped with standard ionic salts at the same concentrations. The solar cells fabricated using the mixed composition Cs0.05(FA0.85MA0.15)0.95PbI3 perovskite and the novel SOT-D show power conversion efficiencies of up to 16.4% under standard AM1.5 illumination compared to 16.1% observed when using the benchmark Spiro-OMeTAD.
published_date 2023-04-28T08:21:03Z
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