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Efficient and Stable Perovskite Solar Cells with a High Open‐Circuit Voltage Over 1.2 V Achieved by a Dual‐Side Passivation Layer

Ju‐Hyeon Kim, Yong Kim, Juae Kim, Chang‐Mok Oh, In‐Wook Hwang, Jehan Kim, Stefan Zeiske, Taeyoon Ki, Sooncheol Kwon, Heejoo Kim, Ardalan Armin Orcid Logo, Hongsuk Suh, Kwanghee Lee Orcid Logo

Advanced Materials, Volume: 34, Issue: 41, Start page: 2205268

Swansea University Authors: Yong Kim, Stefan Zeiske, Ardalan Armin Orcid Logo

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DOI (Published version): 10.1002/adma.202205268

Abstract

Suppressing nonradiative recombination at the interface between the organometal halide perovskite (PVK) and the charge-transport layer (CTL) is crucial for improving the efficiency and stability of PVK-based solar cells (PSCs). Here, a new bathocuproine (BCP)-based nonconjugated polyelectrolyte (pol...

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Published in: Advanced Materials
ISSN: 0935-9648 1521-4095
Published: Wiley 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa62576
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spelling v2 62576 2023-02-06 Efficient and Stable Perovskite Solar Cells with a High Open‐Circuit Voltage Over 1.2 V Achieved by a Dual‐Side Passivation Layer 512fd36e6c36e8ae0fd6f89851eee891 Yong Kim Yong Kim true false 0c9c5b89df9ac882c3e09dd1a9f28fc5 Stefan Zeiske Stefan Zeiske true false 22b270622d739d81e131bec7a819e2fd 0000-0002-6129-5354 Ardalan Armin Ardalan Armin true false 2023-02-06 SPH Suppressing nonradiative recombination at the interface between the organometal halide perovskite (PVK) and the charge-transport layer (CTL) is crucial for improving the efficiency and stability of PVK-based solar cells (PSCs). Here, a new bathocuproine (BCP)-based nonconjugated polyelectrolyte (poly-BCP) is synthesized and this is introduced as a “dual-side passivation layer” between the tin oxide (SnO2) CTL and the PVK absorber. Poly-BCP significantly suppresses both bulk and interfacial nonradiative recombination by passivating oxygen-vacancy defects from the SnO2 side and simultaneously scavenges ionic defects from the other (PVK) side. Therefore, PSCs with poly-BCP exhibits a high power conversion efficiency (PCE) of 24.4% and a high open-circuit voltage of 1.21 V with a reduced voltage loss (PVK bandgap of 1.56 eV). The non-encapsulated PSCs also show excellent long-term stability by retaining 93% of the initial PCE after 700 h under continuous 1-sun irradiation in nitrogen atmosphere conditions. Journal Article Advanced Materials 34 41 2205268 Wiley 0935-9648 1521-4095 Interface engineering, nonconjugated polymers, nonradiative recombination, organometal halide perovskites, perovskite solar cells 1 10 2022 2022-10-01 10.1002/adma.202205268 http://dx.doi.org/10.1002/adma.202205268 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University EPSRC. Grant Number: EP/T028511/1 2023-07-27T15:15:25.5620842 2023-02-06T08:24:33.5904085 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Ju‐Hyeon Kim 1 Yong Kim 2 Juae Kim 3 Chang‐Mok Oh 4 In‐Wook Hwang 5 Jehan Kim 6 Stefan Zeiske 7 Taeyoon Ki 8 Sooncheol Kwon 9 Heejoo Kim 10 Ardalan Armin 0000-0002-6129-5354 11 Hongsuk Suh 12 Kwanghee Lee 0000-0002-5907-8625 13
title Efficient and Stable Perovskite Solar Cells with a High Open‐Circuit Voltage Over 1.2 V Achieved by a Dual‐Side Passivation Layer
spellingShingle Efficient and Stable Perovskite Solar Cells with a High Open‐Circuit Voltage Over 1.2 V Achieved by a Dual‐Side Passivation Layer
Yong Kim
Stefan Zeiske
Ardalan Armin
title_short Efficient and Stable Perovskite Solar Cells with a High Open‐Circuit Voltage Over 1.2 V Achieved by a Dual‐Side Passivation Layer
title_full Efficient and Stable Perovskite Solar Cells with a High Open‐Circuit Voltage Over 1.2 V Achieved by a Dual‐Side Passivation Layer
title_fullStr Efficient and Stable Perovskite Solar Cells with a High Open‐Circuit Voltage Over 1.2 V Achieved by a Dual‐Side Passivation Layer
title_full_unstemmed Efficient and Stable Perovskite Solar Cells with a High Open‐Circuit Voltage Over 1.2 V Achieved by a Dual‐Side Passivation Layer
title_sort Efficient and Stable Perovskite Solar Cells with a High Open‐Circuit Voltage Over 1.2 V Achieved by a Dual‐Side Passivation Layer
author_id_str_mv 512fd36e6c36e8ae0fd6f89851eee891
0c9c5b89df9ac882c3e09dd1a9f28fc5
22b270622d739d81e131bec7a819e2fd
author_id_fullname_str_mv 512fd36e6c36e8ae0fd6f89851eee891_***_Yong Kim
0c9c5b89df9ac882c3e09dd1a9f28fc5_***_Stefan Zeiske
22b270622d739d81e131bec7a819e2fd_***_Ardalan Armin
author Yong Kim
Stefan Zeiske
Ardalan Armin
author2 Ju‐Hyeon Kim
Yong Kim
Juae Kim
Chang‐Mok Oh
In‐Wook Hwang
Jehan Kim
Stefan Zeiske
Taeyoon Ki
Sooncheol Kwon
Heejoo Kim
Ardalan Armin
Hongsuk Suh
Kwanghee Lee
format Journal article
container_title Advanced Materials
container_volume 34
container_issue 41
container_start_page 2205268
publishDate 2022
institution Swansea University
issn 0935-9648
1521-4095
doi_str_mv 10.1002/adma.202205268
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 Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
url http://dx.doi.org/10.1002/adma.202205268
document_store_str 0
active_str 0
description Suppressing nonradiative recombination at the interface between the organometal halide perovskite (PVK) and the charge-transport layer (CTL) is crucial for improving the efficiency and stability of PVK-based solar cells (PSCs). Here, a new bathocuproine (BCP)-based nonconjugated polyelectrolyte (poly-BCP) is synthesized and this is introduced as a “dual-side passivation layer” between the tin oxide (SnO2) CTL and the PVK absorber. Poly-BCP significantly suppresses both bulk and interfacial nonradiative recombination by passivating oxygen-vacancy defects from the SnO2 side and simultaneously scavenges ionic defects from the other (PVK) side. Therefore, PSCs with poly-BCP exhibits a high power conversion efficiency (PCE) of 24.4% and a high open-circuit voltage of 1.21 V with a reduced voltage loss (PVK bandgap of 1.56 eV). The non-encapsulated PSCs also show excellent long-term stability by retaining 93% of the initial PCE after 700 h under continuous 1-sun irradiation in nitrogen atmosphere conditions.
published_date 2022-10-01T15:15:21Z
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score 10.998093

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