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An effective approach of vapour assisted morphological tailoring for reducing metal defect sites in lead-free, (CH3NH3)3Bi2I9 bismuth-based perovskite solar cells for improved performance and long-term stability

Sagar Jain, Dibya Phuyal, Matthew Davies Orcid Logo, Meng Li, Bertrand Philippe, Catherine De Castro Orcid Logo, Zhen Qiu, Jinhyun Kim, Trystan Watson Orcid Logo, Wing Chung Tsoi Orcid Logo, Olof Karis, Håkan Rensmo, Gerrit Boschloo, Tomas Edvinsson, James Durrant Orcid Logo

Nano Energy, Volume: 49, Pages: 614 - 624

Swansea University Authors: Sagar Jain, Matthew Davies Orcid Logo, Catherine De Castro Orcid Logo, Trystan Watson Orcid Logo, Wing Chung Tsoi Orcid Logo, James Durrant Orcid Logo

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DOI (Published version): 10.1016/j.nanoen.2018.05.003

Abstract

We present a controlled, stepwise formation of methylammonium bismuth iodide (CH3NH3)3Bi2I9 perovskite films prepared via the vapour assisted solution process (VASP) by exposing BiI3 films to CH3NH3I (MAI) vapours for different reaction times, (CH3NH3)3Bi2I9 semiconductor films with tunable optoelec...

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Published in: Nano Energy
ISSN: 2211-2855
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa40033
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Solar cells prepared on mesoporous TiO2 substrates yielded hysteresis-free efficiencies upto 3.17% with good reproducibility. The good performance is attributed mainly to the homogeneous surface coverage, improved stoichiometry, reduced metallic content in the bulk, and desired optoelectronic properties of the absorbing material. In addition, solar cells prepared using pure BiI3 films without MAI exposure achieved a power conversion efficiency of 0.34%. The non-encapsulated (CH3NH3)3Bi2I9 devices were found to be stable for as long as 60 days with only 0.1% drop in efficiency. 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spelling 2021-01-14T12:50:06.6361478 v2 40033 2018-05-09 An effective approach of vapour assisted morphological tailoring for reducing metal defect sites in lead-free, (CH3NH3)3Bi2I9 bismuth-based perovskite solar cells for improved performance and long-term stability 7073e179bb5b82db3e3efd3a8cd07139 Sagar Jain Sagar Jain true false 4ad478e342120ca3434657eb13527636 0000-0003-2595-5121 Matthew Davies Matthew Davies true false 9523c09d78056932bb9b6959b559323e 0000-0003-0649-3427 Catherine De Castro Catherine De Castro true false a210327b52472cfe8df9b8108d661457 0000-0002-8015-1436 Trystan Watson Trystan Watson true false 7e5f541df6635a9a8e1a579ff2de5d56 0000-0003-3836-5139 Wing Chung Tsoi Wing Chung Tsoi true false f3dd64bc260e5c07adfa916c27dbd58a 0000-0001-8353-7345 James Durrant James Durrant true false 2018-05-09 EEN We present a controlled, stepwise formation of methylammonium bismuth iodide (CH3NH3)3Bi2I9 perovskite films prepared via the vapour assisted solution process (VASP) by exposing BiI3 films to CH3NH3I (MAI) vapours for different reaction times, (CH3NH3)3Bi2I9 semiconductor films with tunable optoelectronic properties are obtained. Solar cells prepared on mesoporous TiO2 substrates yielded hysteresis-free efficiencies upto 3.17% with good reproducibility. The good performance is attributed mainly to the homogeneous surface coverage, improved stoichiometry, reduced metallic content in the bulk, and desired optoelectronic properties of the absorbing material. In addition, solar cells prepared using pure BiI3 films without MAI exposure achieved a power conversion efficiency of 0.34%. The non-encapsulated (CH3NH3)3Bi2I9 devices were found to be stable for as long as 60 days with only 0.1% drop in efficiency. This controlled formation of (CH3NH3)3Bi2I9 perovskite films highlights the benefit of the VASP technique to optimize material stoichiometry, morphology, solar cell performance, and long-term durability. Journal Article Nano Energy 49 614 624 2211-2855 Vapour assisted solution process (VASP); Lead free perovskite; (CH3NH3)3Bi2I9; Morphological tailoring; High resolution X-ray photoelectron (HAXPES) spectroscopy 1 7 2018 2018-07-01 10.1016/j.nanoen.2018.05.003 COLLEGE NANME Engineering COLLEGE CODE EEN Swansea University 2021-01-14T12:50:06.6361478 2018-05-09T00:33:38.3466874 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Sagar Jain 1 Dibya Phuyal 2 Matthew Davies 0000-0003-2595-5121 3 Meng Li 4 Bertrand Philippe 5 Catherine De Castro 0000-0003-0649-3427 6 Zhen Qiu 7 Jinhyun Kim 8 Trystan Watson 0000-0002-8015-1436 9 Wing Chung Tsoi 0000-0003-3836-5139 10 Olof Karis 11 Håkan Rensmo 12 Gerrit Boschloo 13 Tomas Edvinsson 14 James Durrant 0000-0001-8353-7345 15 0040033-09052018003630.pdf NanoEnergy_Sagaretal.pdf 2018-05-09T00:36:30.0730000 Output 3274030 application/pdf Accepted Manuscript true 2019-05-08T00:00:00.0000000 Released under the terms of a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND). true eng
title An effective approach of vapour assisted morphological tailoring for reducing metal defect sites in lead-free, (CH3NH3)3Bi2I9 bismuth-based perovskite solar cells for improved performance and long-term stability
spellingShingle An effective approach of vapour assisted morphological tailoring for reducing metal defect sites in lead-free, (CH3NH3)3Bi2I9 bismuth-based perovskite solar cells for improved performance and long-term stability
Sagar Jain
Matthew Davies
Catherine De Castro
Trystan Watson
Wing Chung Tsoi
James Durrant
title_short An effective approach of vapour assisted morphological tailoring for reducing metal defect sites in lead-free, (CH3NH3)3Bi2I9 bismuth-based perovskite solar cells for improved performance and long-term stability
title_full An effective approach of vapour assisted morphological tailoring for reducing metal defect sites in lead-free, (CH3NH3)3Bi2I9 bismuth-based perovskite solar cells for improved performance and long-term stability
title_fullStr An effective approach of vapour assisted morphological tailoring for reducing metal defect sites in lead-free, (CH3NH3)3Bi2I9 bismuth-based perovskite solar cells for improved performance and long-term stability
title_full_unstemmed An effective approach of vapour assisted morphological tailoring for reducing metal defect sites in lead-free, (CH3NH3)3Bi2I9 bismuth-based perovskite solar cells for improved performance and long-term stability
title_sort An effective approach of vapour assisted morphological tailoring for reducing metal defect sites in lead-free, (CH3NH3)3Bi2I9 bismuth-based perovskite solar cells for improved performance and long-term stability
author_id_str_mv 7073e179bb5b82db3e3efd3a8cd07139
4ad478e342120ca3434657eb13527636
9523c09d78056932bb9b6959b559323e
a210327b52472cfe8df9b8108d661457
7e5f541df6635a9a8e1a579ff2de5d56
f3dd64bc260e5c07adfa916c27dbd58a
author_id_fullname_str_mv 7073e179bb5b82db3e3efd3a8cd07139_***_Sagar Jain
4ad478e342120ca3434657eb13527636_***_Matthew Davies
9523c09d78056932bb9b6959b559323e_***_Catherine De Castro
a210327b52472cfe8df9b8108d661457_***_Trystan Watson
7e5f541df6635a9a8e1a579ff2de5d56_***_Wing Chung Tsoi
f3dd64bc260e5c07adfa916c27dbd58a_***_James Durrant
author Sagar Jain
Matthew Davies
Catherine De Castro
Trystan Watson
Wing Chung Tsoi
James Durrant
author2 Sagar Jain
Dibya Phuyal
Matthew Davies
Meng Li
Bertrand Philippe
Catherine De Castro
Zhen Qiu
Jinhyun Kim
Trystan Watson
Wing Chung Tsoi
Olof Karis
Håkan Rensmo
Gerrit Boschloo
Tomas Edvinsson
James Durrant
format Journal article
container_title Nano Energy
container_volume 49
container_start_page 614
publishDate 2018
institution Swansea University
issn 2211-2855
doi_str_mv 10.1016/j.nanoen.2018.05.003
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
document_store_str 1
active_str 0
description We present a controlled, stepwise formation of methylammonium bismuth iodide (CH3NH3)3Bi2I9 perovskite films prepared via the vapour assisted solution process (VASP) by exposing BiI3 films to CH3NH3I (MAI) vapours for different reaction times, (CH3NH3)3Bi2I9 semiconductor films with tunable optoelectronic properties are obtained. Solar cells prepared on mesoporous TiO2 substrates yielded hysteresis-free efficiencies upto 3.17% with good reproducibility. The good performance is attributed mainly to the homogeneous surface coverage, improved stoichiometry, reduced metallic content in the bulk, and desired optoelectronic properties of the absorbing material. In addition, solar cells prepared using pure BiI3 films without MAI exposure achieved a power conversion efficiency of 0.34%. The non-encapsulated (CH3NH3)3Bi2I9 devices were found to be stable for as long as 60 days with only 0.1% drop in efficiency. This controlled formation of (CH3NH3)3Bi2I9 perovskite films highlights the benefit of the VASP technique to optimize material stoichiometry, morphology, solar cell performance, and long-term durability.
published_date 2018-07-01T03:50:55Z
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score 11.036553

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