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Ion-migration and carrier-recombination inhibition by the cation-π interaction in planar perovskite solar cells

Feng Yang, Weiwei Zuo, Hui Liu, Jian Song, Hairui Liu, Junming Li, Sagar Jain

Organic Electronics, Start page: 105387

Swansea University Author: Sagar Jain

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DOI (Published version): 10.1016/j.orgel.2019.105387

Abstract

In organic-inorganic hybrid perovskite solar cells, migration of intrinsic ions (e.g., MA+, Pb2+, I−) have a significant impact on the current-voltage hysteresis and stability of devices. Here, N, N′-diphenyl-1, 1′-biphenyl-4, 4′-diamine (NPB) was introduced into MAPbI3 perovskite layer to facilitat...

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Published in: Organic Electronics
ISSN: 1566-1199
Published: 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa51291
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first_indexed 2019-08-01T16:29:25Z
last_indexed 2019-08-13T15:29:05Z
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spelling 2019-08-13T09:41:18.1842717 v2 51291 2019-08-01 Ion-migration and carrier-recombination inhibition by the cation-π interaction in planar perovskite solar cells 7073e179bb5b82db3e3efd3a8cd07139 Sagar Jain Sagar Jain true false 2019-08-01 EEN In organic-inorganic hybrid perovskite solar cells, migration of intrinsic ions (e.g., MA+, Pb2+, I−) have a significant impact on the current-voltage hysteresis and stability of devices. Here, N, N′-diphenyl-1, 1′-biphenyl-4, 4′-diamine (NPB) was introduced into MAPbI3 perovskite layer to facilitate the stability of perovskite film and improved the efficiency of planar perovskite solar cells (PSCs). The results suggest that migration of intrinsic ions are inhibited effectively by cation-π interaction between NPB and MA+, and lead to reduce intrinsic defects in perovskite films, which is benefit for the stability of devices. Lewis basicity of NPB enhances the crystallization, passivates the perovskites films and addresses the issue of low electron extraction efficiency. Consequently, solar cells made using NPB modified MAPbI3 resulted hysteresis-free, enhanced power conversion efficiency of 19.22% with improved stability. Journal Article Organic Electronics 105387 1566-1199 Perovskite solar cells, Migration of intrinsic ions, Cation-π interaction 31 12 2019 2019-12-31 10.1016/j.orgel.2019.105387 COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2019-08-13T09:41:18.1842717 2019-08-01T10:05:36.9647674 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Feng Yang 1 Weiwei Zuo 2 Hui Liu 3 Jian Song 4 Hairui Liu 5 Junming Li 6 Sagar Jain 7 0051291-01082019100744.pdf yang2019.pdf 2019-08-01T10:07:44.1670000 Output 4758187 application/pdf Accepted Manuscript true 2020-07-31T00:00:00.0000000 © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ false eng
title Ion-migration and carrier-recombination inhibition by the cation-π interaction in planar perovskite solar cells
spellingShingle Ion-migration and carrier-recombination inhibition by the cation-π interaction in planar perovskite solar cells
Sagar Jain
title_short Ion-migration and carrier-recombination inhibition by the cation-π interaction in planar perovskite solar cells
title_full Ion-migration and carrier-recombination inhibition by the cation-π interaction in planar perovskite solar cells
title_fullStr Ion-migration and carrier-recombination inhibition by the cation-π interaction in planar perovskite solar cells
title_full_unstemmed Ion-migration and carrier-recombination inhibition by the cation-π interaction in planar perovskite solar cells
title_sort Ion-migration and carrier-recombination inhibition by the cation-π interaction in planar perovskite solar cells
author_id_str_mv 7073e179bb5b82db3e3efd3a8cd07139
author_id_fullname_str_mv 7073e179bb5b82db3e3efd3a8cd07139_***_Sagar Jain
author Sagar Jain
author2 Feng Yang
Weiwei Zuo
Hui Liu
Jian Song
Hairui Liu
Junming Li
Sagar Jain
format Journal article
container_title Organic Electronics
container_start_page 105387
publishDate 2019
institution Swansea University
issn 1566-1199
doi_str_mv 10.1016/j.orgel.2019.105387
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 - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
active_str 0
description In organic-inorganic hybrid perovskite solar cells, migration of intrinsic ions (e.g., MA+, Pb2+, I−) have a significant impact on the current-voltage hysteresis and stability of devices. Here, N, N′-diphenyl-1, 1′-biphenyl-4, 4′-diamine (NPB) was introduced into MAPbI3 perovskite layer to facilitate the stability of perovskite film and improved the efficiency of planar perovskite solar cells (PSCs). The results suggest that migration of intrinsic ions are inhibited effectively by cation-π interaction between NPB and MA+, and lead to reduce intrinsic defects in perovskite films, which is benefit for the stability of devices. Lewis basicity of NPB enhances the crystallization, passivates the perovskites films and addresses the issue of low electron extraction efficiency. Consequently, solar cells made using NPB modified MAPbI3 resulted hysteresis-free, enhanced power conversion efficiency of 19.22% with improved stability.
published_date 2019-12-31T04:03:07Z
_version_ 1763753263410184192
score 11.012678

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