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Fast and Balanced Charge Transport Enabled by Solution‐Processed Metal Oxide Layers for Efficient and Stable Inverted Perovskite Solar Cells

Jing Zhang Orcid Logo, James Mcgettrick, Kangyu Ji, Jinxin Bi, Thomas Webb, Xueping Liu Orcid Logo, Dongtao Liu, Aobo Ren, Yuren Xiang, Bowei Li, Vlad Stolojan, Trystan Watson Orcid Logo, Samuel D. Stranks, Wei Zhang Orcid Logo

ENERGY & ENVIRONMENTAL MATERIALS

Swansea University Author: Trystan Watson Orcid Logo

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DOI (Published version): 10.1002/eem2.12595

Abstract

Metal oxide charge transport materials are preferable for realizing long-term stable and potentially low-cost perovskite solar cells (PSCs). However, due to some technical difficulties (e.g., intricate fabrication protocols, high-temperature heating process, incompatible solvents, etc.), it is still...

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Published in: ENERGY & ENVIRONMENTAL MATERIALS
ISSN: 2575-0356 2575-0356
Published: Wiley
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URI: https://cronfa.swan.ac.uk/Record/cronfa63219
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However, due to some technical difficulties (e.g., intricate fabrication protocols, high-temperature heating process, incompatible solvents, etc.), it is still challenging to achieve efficient and reliable all-metal-oxide-based devices. Here, we developed efficient inverted PSCs (IPSCs) based on solution-processed nickel oxide (NiOx) and tin oxide (SnO2) nanoparticles, working as hole and electron transport materials respectively, enabling a fast and balanced charge transfer for photogenerated charge carriers. Through further understanding and optimizing the perovskite/metal oxide interfaces, we have realized an outstanding power conversion efficiency (PCE) of 23.5% (the bandgap of the perovskite is 1.62 eV), which is the highest efficiency among IPSCs based on all-metal-oxide charge transport materials. Thanks to these stable metal oxides and improved interface properties, ambient stability (retaining 95% of initial PCE after 1 month), thermal stability (retaining 80% of initial PCE after 2 weeks) and light stability (retaining 90% of initial PCE after 1000 hours aging) of resultant devices are enhanced significantly. 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spelling v2 63219 2023-04-20 Fast and Balanced Charge Transport Enabled by Solution‐Processed Metal Oxide Layers for Efficient and Stable Inverted Perovskite Solar Cells a210327b52472cfe8df9b8108d661457 0000-0002-8015-1436 Trystan Watson Trystan Watson true false 2023-04-20 MTLS Metal oxide charge transport materials are preferable for realizing long-term stable and potentially low-cost perovskite solar cells (PSCs). However, due to some technical difficulties (e.g., intricate fabrication protocols, high-temperature heating process, incompatible solvents, etc.), it is still challenging to achieve efficient and reliable all-metal-oxide-based devices. Here, we developed efficient inverted PSCs (IPSCs) based on solution-processed nickel oxide (NiOx) and tin oxide (SnO2) nanoparticles, working as hole and electron transport materials respectively, enabling a fast and balanced charge transfer for photogenerated charge carriers. Through further understanding and optimizing the perovskite/metal oxide interfaces, we have realized an outstanding power conversion efficiency (PCE) of 23.5% (the bandgap of the perovskite is 1.62 eV), which is the highest efficiency among IPSCs based on all-metal-oxide charge transport materials. Thanks to these stable metal oxides and improved interface properties, ambient stability (retaining 95% of initial PCE after 1 month), thermal stability (retaining 80% of initial PCE after 2 weeks) and light stability (retaining 90% of initial PCE after 1000 hours aging) of resultant devices are enhanced significantly. In addition, owing to the low-temperature fabrication procedures of the entire device, we have obtained a PCE of over 21% for flexible IPSCs with enhanced operational stability. Journal Article ENERGY & ENVIRONMENTAL MATERIALS Wiley 2575-0356 2575-0356 fast and balanced charge transfer, inverted perovskite solar cells, long-term stability, low-temperature processing, metal oxides. 0 0 0 0001-01-01 10.1002/eem2.12595 http://dx.doi.org/10.1002/eem2.12595 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University Another institution paid the OA fee EPSRC, H2020, Newton, RS and Tata EP/R023980/1, EP/R043272/1, EP/V027131/1, EP/N020863/1, 756962, 192097, UF150033 2023-05-24T10:36:08.4699850 2023-04-20T09:52:10.0827872 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Jing Zhang 0000-0002-5601-1599 1 James Mcgettrick 2 Kangyu Ji 3 Jinxin Bi 4 Thomas Webb 5 Xueping Liu 0000-0002-7978-5028 6 Dongtao Liu 7 Aobo Ren 8 Yuren Xiang 9 Bowei Li 10 Vlad Stolojan 11 Trystan Watson 0000-0002-8015-1436 12 Samuel D. Stranks 13 Wei Zhang 0000-0002-2678-8372 14 63219__27143__01de8f2299d340de936685d98370ca9a.pdf 63219.pdf 2023-04-20T09:56:08.7404738 Output 1833780 application/pdf Version of Record true This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. true eng http://creativecommons.org/licenses/by/4.0/
title Fast and Balanced Charge Transport Enabled by Solution‐Processed Metal Oxide Layers for Efficient and Stable Inverted Perovskite Solar Cells
spellingShingle Fast and Balanced Charge Transport Enabled by Solution‐Processed Metal Oxide Layers for Efficient and Stable Inverted Perovskite Solar Cells
Trystan Watson
title_short Fast and Balanced Charge Transport Enabled by Solution‐Processed Metal Oxide Layers for Efficient and Stable Inverted Perovskite Solar Cells
title_full Fast and Balanced Charge Transport Enabled by Solution‐Processed Metal Oxide Layers for Efficient and Stable Inverted Perovskite Solar Cells
title_fullStr Fast and Balanced Charge Transport Enabled by Solution‐Processed Metal Oxide Layers for Efficient and Stable Inverted Perovskite Solar Cells
title_full_unstemmed Fast and Balanced Charge Transport Enabled by Solution‐Processed Metal Oxide Layers for Efficient and Stable Inverted Perovskite Solar Cells
title_sort Fast and Balanced Charge Transport Enabled by Solution‐Processed Metal Oxide Layers for Efficient and Stable Inverted Perovskite Solar Cells
author_id_str_mv a210327b52472cfe8df9b8108d661457
author_id_fullname_str_mv a210327b52472cfe8df9b8108d661457_***_Trystan Watson
author Trystan Watson
author2 Jing Zhang
James Mcgettrick
Kangyu Ji
Jinxin Bi
Thomas Webb
Xueping Liu
Dongtao Liu
Aobo Ren
Yuren Xiang
Bowei Li
Vlad Stolojan
Trystan Watson
Samuel D. Stranks
Wei Zhang
format Journal article
container_title ENERGY & ENVIRONMENTAL MATERIALS
institution Swansea University
issn 2575-0356
2575-0356
doi_str_mv 10.1002/eem2.12595
publisher Wiley
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
url http://dx.doi.org/10.1002/eem2.12595
document_store_str 1
active_str 0
description Metal oxide charge transport materials are preferable for realizing long-term stable and potentially low-cost perovskite solar cells (PSCs). However, due to some technical difficulties (e.g., intricate fabrication protocols, high-temperature heating process, incompatible solvents, etc.), it is still challenging to achieve efficient and reliable all-metal-oxide-based devices. Here, we developed efficient inverted PSCs (IPSCs) based on solution-processed nickel oxide (NiOx) and tin oxide (SnO2) nanoparticles, working as hole and electron transport materials respectively, enabling a fast and balanced charge transfer for photogenerated charge carriers. Through further understanding and optimizing the perovskite/metal oxide interfaces, we have realized an outstanding power conversion efficiency (PCE) of 23.5% (the bandgap of the perovskite is 1.62 eV), which is the highest efficiency among IPSCs based on all-metal-oxide charge transport materials. Thanks to these stable metal oxides and improved interface properties, ambient stability (retaining 95% of initial PCE after 1 month), thermal stability (retaining 80% of initial PCE after 2 weeks) and light stability (retaining 90% of initial PCE after 1000 hours aging) of resultant devices are enhanced significantly. In addition, owing to the low-temperature fabrication procedures of the entire device, we have obtained a PCE of over 21% for flexible IPSCs with enhanced operational stability.
published_date 0001-01-01T10:36:07Z
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score 11.013082

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