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High-quality perovskite films via post-annealing microwave treatment

Kai-Li Wang, Cong-Cong Zhang, Yu-Rong Jiang, Hai-Rui Liu, Xiao-Mei Li, Sagar Jain, Heng Ma

New Journal of Chemistry, Volume: 43, Issue: 24, Pages: 9338 - 9344

Swansea University Author: Sagar Jain

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DOI (Published version): 10.1039/C8NJ05941A

Abstract

Crystalline quality of the perovskite film plays a key role in improving the optoelectronic properties and performance of planar perovskite hybrid solar cells (PSCs). In this work, a methodology employing post-annealing microwave treatment (MPAT) for fine tuning the crystallization of perovskite fil...

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Published in: New Journal of Chemistry
ISSN: 1144-0546 1369-9261
Published: 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa49148
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first_indexed 2019-03-07T20:00:48Z
last_indexed 2019-06-19T20:47:26Z
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spelling 2019-06-19T16:10:58.9132655 v2 49148 2019-03-07 High-quality perovskite films via post-annealing microwave treatment 7073e179bb5b82db3e3efd3a8cd07139 Sagar Jain Sagar Jain true false 2019-03-07 EEN Crystalline quality of the perovskite film plays a key role in improving the optoelectronic properties and performance of planar perovskite hybrid solar cells (PSCs). In this work, a methodology employing post-annealing microwave treatment (MPAT) for fine tuning the crystallization of perovskite films is proposed. It is found that microwave induced electromagnetic waves results in the dipoles and ions to vibrate at high frequency in perovskite crystals, which catalyzes Ostwald ripening process resulting in a good quality perovskite films. High quality perovskite films are obtained when subjected to MPAT of 350 watts power for 25 seconds. The resulting films in inverted solar cell architecture shown champion efficiency of 13.39%. This is significant improved performance over devices employing films without MPAT treatment (PCE=11.5%). The MPAT paves a way to prepare high quality perovskite films that is of particularly significance for manufacturing of the large area perovskite solar cells. Journal Article New Journal of Chemistry 43 24 9338 9344 1144-0546 1369-9261 31 12 2019 2019-12-31 10.1039/C8NJ05941A COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2019-06-19T16:10:58.9132655 2019-03-07T13:26:28.2002742 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Kai-Li Wang 1 Cong-Cong Zhang 2 Yu-Rong Jiang 3 Hai-Rui Liu 4 Xiao-Mei Li 5 Sagar Jain 6 Heng Ma 7 0049148-19032019094948.pdf wang2019(2).pdf 2019-03-19T09:49:48.6800000 Output 869222 application/pdf Accepted Manuscript true 2020-03-07T00:00:00.0000000 true eng
title High-quality perovskite films via post-annealing microwave treatment
spellingShingle High-quality perovskite films via post-annealing microwave treatment
Sagar Jain
title_short High-quality perovskite films via post-annealing microwave treatment
title_full High-quality perovskite films via post-annealing microwave treatment
title_fullStr High-quality perovskite films via post-annealing microwave treatment
title_full_unstemmed High-quality perovskite films via post-annealing microwave treatment
title_sort High-quality perovskite films via post-annealing microwave treatment
author_id_str_mv 7073e179bb5b82db3e3efd3a8cd07139
author_id_fullname_str_mv 7073e179bb5b82db3e3efd3a8cd07139_***_Sagar Jain
author Sagar Jain
author2 Kai-Li Wang
Cong-Cong Zhang
Yu-Rong Jiang
Hai-Rui Liu
Xiao-Mei Li
Sagar Jain
Heng Ma
format Journal article
container_title New Journal of Chemistry
container_volume 43
container_issue 24
container_start_page 9338
publishDate 2019
institution Swansea University
issn 1144-0546
1369-9261
doi_str_mv 10.1039/C8NJ05941A
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 Crystalline quality of the perovskite film plays a key role in improving the optoelectronic properties and performance of planar perovskite hybrid solar cells (PSCs). In this work, a methodology employing post-annealing microwave treatment (MPAT) for fine tuning the crystallization of perovskite films is proposed. It is found that microwave induced electromagnetic waves results in the dipoles and ions to vibrate at high frequency in perovskite crystals, which catalyzes Ostwald ripening process resulting in a good quality perovskite films. High quality perovskite films are obtained when subjected to MPAT of 350 watts power for 25 seconds. The resulting films in inverted solar cell architecture shown champion efficiency of 13.39%. This is significant improved performance over devices employing films without MPAT treatment (PCE=11.5%). The MPAT paves a way to prepare high quality perovskite films that is of particularly significance for manufacturing of the large area perovskite solar cells.
published_date 2019-12-31T03:59:56Z
_version_ 1763753062982221824
score 11.012678

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