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Interface Modification by Ionic Liquid: A Promising Candidate for Indoor Light Harvesting and Stability Improvement of Planar Perovskite Solar Cells

Meng Li, Chao Zhao Orcid Logo, Zhao-Kui Wang, Cong-Cong Zhang, Harrison K. H. Lee, Adam Pockett, Jeremy Barbe, Wing Chung Tsoi Orcid Logo, Ying-Guo Yang, Matt Carnie Orcid Logo, Xing-Yu Gao, Wen-Xing Yang, James Durrant Orcid Logo, Liang-Sheng Liao, Sagar Jain

Advanced Energy Materials, Volume: 8, Issue: 24

Swansea University Authors: Chao Zhao Orcid Logo, Adam Pockett, Jeremy Barbe, Wing Chung Tsoi Orcid Logo, Matt Carnie Orcid Logo, James Durrant Orcid Logo, Sagar Jain

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DOI (Published version): 10.1002/aenm.201801509

Abstract

Organic–inorganic hybrid perovskite solar cells (PSCs) are currently attracting significant interest owing to their promising outdoor performance. However, the ability of indoor light harvesting of the perovskites and corresponding device performance are rarely reported. Here, the potential of plana...

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Published in: Advanced Energy Materials
ISSN: 1614-6832
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa40962
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However, the ability of indoor light harvesting of the perovskites and corresponding device performance are rarely reported. Here, the potential of planar PSCs in harvesting indoor light for low&#x2010;power consumption devices is investigated. Ionic liquid of 1&#x2010;butyl&#x2010;3&#x2010;methylimidazolium tetrafluoroborate ([BMIM]BF4) is employed as a modification layer of [6,6]&#x2010;phenyl&#x2010;C61&#x2010;butyric acid methyl ester) (PCBM) in the inverted PSCs. The incorporation of [BMIM]BF4 not only paves the interface contact between PCBM and electrode, but also facilitates the electron transport and extraction owing to the efficient passivation of the surface trap states. Moreover, [BMIM]BF4 with excellent thermal stability can act as a protective layer by preventing the erosion of moisture and oxygen into the perovskite layer. The resulting devices present a record indoor power conversion efficiency (PCE) of 35.20% under fluorescent lamps of 1000 lux, and an impressive PCE of 19.30% under 1 sun illumination. 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spelling 2021-01-14T13:06:06.2493741 v2 40962 2018-07-10 Interface Modification by Ionic Liquid: A Promising Candidate for Indoor Light Harvesting and Stability Improvement of Planar Perovskite Solar Cells 68dfcae85934a73cdd55110275fde8a2 0000-0002-2827-923X Chao Zhao Chao Zhao true false de06433fccc0514dcf45aa9d1fc5c60f Adam Pockett Adam Pockett true false 1a3a9e69fe724bafb47a7dbacb6f1845 Jeremy Barbe Jeremy Barbe true false 7e5f541df6635a9a8e1a579ff2de5d56 0000-0003-3836-5139 Wing Chung Tsoi Wing Chung Tsoi true false 73b367694366a646b90bb15db32bb8c0 0000-0002-4232-1967 Matt Carnie Matt Carnie true false f3dd64bc260e5c07adfa916c27dbd58a 0000-0001-8353-7345 James Durrant James Durrant true false 7073e179bb5b82db3e3efd3a8cd07139 Sagar Jain Sagar Jain true false 2018-07-10 EEN Organic–inorganic hybrid perovskite solar cells (PSCs) are currently attracting significant interest owing to their promising outdoor performance. However, the ability of indoor light harvesting of the perovskites and corresponding device performance are rarely reported. Here, the potential of planar PSCs in harvesting indoor light for low‐power consumption devices is investigated. Ionic liquid of 1‐butyl‐3‐methylimidazolium tetrafluoroborate ([BMIM]BF4) is employed as a modification layer of [6,6]‐phenyl‐C61‐butyric acid methyl ester) (PCBM) in the inverted PSCs. The incorporation of [BMIM]BF4 not only paves the interface contact between PCBM and electrode, but also facilitates the electron transport and extraction owing to the efficient passivation of the surface trap states. Moreover, [BMIM]BF4 with excellent thermal stability can act as a protective layer by preventing the erosion of moisture and oxygen into the perovskite layer. The resulting devices present a record indoor power conversion efficiency (PCE) of 35.20% under fluorescent lamps of 1000 lux, and an impressive PCE of 19.30% under 1 sun illumination. The finding in this work verifies the excellent indoor performance of PSCs to meet the requirements of eco‐friendly economy. Journal Article Advanced Energy Materials 8 24 1614-6832 27 8 2018 2018-08-27 10.1002/aenm.201801509 COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2021-01-14T13:06:06.2493741 2018-07-10T09:04:56.5798514 College of Engineering Engineering Meng Li 1 Chao Zhao 0000-0002-2827-923X 2 Zhao-Kui Wang 3 Cong-Cong Zhang 4 Harrison K. H. Lee 5 Adam Pockett 6 Jeremy Barbe 7 Wing Chung Tsoi 0000-0003-3836-5139 8 Ying-Guo Yang 9 Matt Carnie 0000-0002-4232-1967 10 Xing-Yu Gao 11 Wen-Xing Yang 12 James Durrant 0000-0001-8353-7345 13 Liang-Sheng Liao 14 Sagar Jain 15 0040962-10072018090720.pdf li2018(7).pdf 2018-07-10T09:07:20.0570000 Output 1322149 application/pdf Accepted Manuscript true 2019-07-01T00:00:00.0000000 true eng
title Interface Modification by Ionic Liquid: A Promising Candidate for Indoor Light Harvesting and Stability Improvement of Planar Perovskite Solar Cells
spellingShingle Interface Modification by Ionic Liquid: A Promising Candidate for Indoor Light Harvesting and Stability Improvement of Planar Perovskite Solar Cells
Chao Zhao
Adam Pockett
Jeremy Barbe
Wing Chung Tsoi
Matt Carnie
James Durrant
Sagar Jain
title_short Interface Modification by Ionic Liquid: A Promising Candidate for Indoor Light Harvesting and Stability Improvement of Planar Perovskite Solar Cells
title_full Interface Modification by Ionic Liquid: A Promising Candidate for Indoor Light Harvesting and Stability Improvement of Planar Perovskite Solar Cells
title_fullStr Interface Modification by Ionic Liquid: A Promising Candidate for Indoor Light Harvesting and Stability Improvement of Planar Perovskite Solar Cells
title_full_unstemmed Interface Modification by Ionic Liquid: A Promising Candidate for Indoor Light Harvesting and Stability Improvement of Planar Perovskite Solar Cells
title_sort Interface Modification by Ionic Liquid: A Promising Candidate for Indoor Light Harvesting and Stability Improvement of Planar Perovskite Solar Cells
author_id_str_mv 68dfcae85934a73cdd55110275fde8a2
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author_id_fullname_str_mv 68dfcae85934a73cdd55110275fde8a2_***_Chao Zhao
de06433fccc0514dcf45aa9d1fc5c60f_***_Adam Pockett
1a3a9e69fe724bafb47a7dbacb6f1845_***_Jeremy Barbe
7e5f541df6635a9a8e1a579ff2de5d56_***_Wing Chung Tsoi
73b367694366a646b90bb15db32bb8c0_***_Matt Carnie
f3dd64bc260e5c07adfa916c27dbd58a_***_James Durrant
7073e179bb5b82db3e3efd3a8cd07139_***_Sagar Jain
author Chao Zhao
Adam Pockett
Jeremy Barbe
Wing Chung Tsoi
Matt Carnie
James Durrant
Sagar Jain
author2 Meng Li
Chao Zhao
Zhao-Kui Wang
Cong-Cong Zhang
Harrison K. H. Lee
Adam Pockett
Jeremy Barbe
Wing Chung Tsoi
Ying-Guo Yang
Matt Carnie
Xing-Yu Gao
Wen-Xing Yang
James Durrant
Liang-Sheng Liao
Sagar Jain
format Journal article
container_title Advanced Energy Materials
container_volume 8
container_issue 24
publishDate 2018
institution Swansea University
issn 1614-6832
doi_str_mv 10.1002/aenm.201801509
college_str College of Engineering
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hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
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description Organic–inorganic hybrid perovskite solar cells (PSCs) are currently attracting significant interest owing to their promising outdoor performance. However, the ability of indoor light harvesting of the perovskites and corresponding device performance are rarely reported. Here, the potential of planar PSCs in harvesting indoor light for low‐power consumption devices is investigated. Ionic liquid of 1‐butyl‐3‐methylimidazolium tetrafluoroborate ([BMIM]BF4) is employed as a modification layer of [6,6]‐phenyl‐C61‐butyric acid methyl ester) (PCBM) in the inverted PSCs. The incorporation of [BMIM]BF4 not only paves the interface contact between PCBM and electrode, but also facilitates the electron transport and extraction owing to the efficient passivation of the surface trap states. Moreover, [BMIM]BF4 with excellent thermal stability can act as a protective layer by preventing the erosion of moisture and oxygen into the perovskite layer. The resulting devices present a record indoor power conversion efficiency (PCE) of 35.20% under fluorescent lamps of 1000 lux, and an impressive PCE of 19.30% under 1 sun illumination. The finding in this work verifies the excellent indoor performance of PSCs to meet the requirements of eco‐friendly economy.
published_date 2018-08-27T03:55:22Z
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