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A simple method to evaluate the effectiveness of encapsulation materials for perovskite solar cells

Timothy J. Wilderspin, Francesca De Rossi, Trystan Watson Orcid Logo

Solar Energy, Volume: 139, Pages: 426 - 432

Swansea University Author: Trystan Watson Orcid Logo

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DOI (Published version): 10.1016/j.solener.2016.09.038

Abstract

Solution processed perovskite solar cells are an exciting development in the field of photovoltaics achieving power conversion efficiencies of over 20%. Nevertheless, stability issues are still limiting the successful entry of this technology into the PV market. Rapid degradation has been observed a...

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Published in: Solar Energy
ISSN: 0038-092X
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa30239
first_indexed 2016-09-28T13:00:14Z
last_indexed 2018-02-09T05:16:00Z
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recordtype SURis
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spelling 2016-10-28T09:54:44.0501888 v2 30239 2016-09-28 A simple method to evaluate the effectiveness of encapsulation materials for perovskite solar cells a210327b52472cfe8df9b8108d661457 0000-0002-8015-1436 Trystan Watson Trystan Watson true false 2016-09-28 EAAS Solution processed perovskite solar cells are an exciting development in the field of photovoltaics achieving power conversion efficiencies of over 20%. Nevertheless, stability issues are still limiting the successful entry of this technology into the PV market. Rapid degradation has been observed and reported as the result of different factors, such as light, humidity and temperature, simultaneously present during real operation. It is felt within the PV community that proper, effective encapsulation is one of the key contributors to increasing perovskite lifetimes. This work presents a simple and effective method based on RGB (red, green, blue) colour measurements to track perovskite degradation to lead iodide (PbI2) using time lapse photography and thus evaluate the effectiveness/reliability of different encapsulation methods and materials. This technique gives a clear indication of when the perovskite has fully degraded and the impact of different encapsulants on degradation rate. This is supported by other analytical techniques, such as UV-Vis spectroscopy and XRD. Journal Article Solar Energy 139 426 432 0038-092X 1 12 2016 2016-12-01 10.1016/j.solener.2016.09.038 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University 2016-10-28T09:54:44.0501888 2016-09-28T08:49:06.4348480 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Timothy J. Wilderspin 1 Francesca De Rossi 2 Trystan Watson 0000-0002-8015-1436 3 0030239-28092016085234.pdf wilderspin2016.pdf 2016-09-28T08:52:34.9000000 Output 5057984 application/pdf Accepted Manuscript true 2017-10-27T00:00:00.0000000 false
title A simple method to evaluate the effectiveness of encapsulation materials for perovskite solar cells
spellingShingle A simple method to evaluate the effectiveness of encapsulation materials for perovskite solar cells
Trystan Watson
title_short A simple method to evaluate the effectiveness of encapsulation materials for perovskite solar cells
title_full A simple method to evaluate the effectiveness of encapsulation materials for perovskite solar cells
title_fullStr A simple method to evaluate the effectiveness of encapsulation materials for perovskite solar cells
title_full_unstemmed A simple method to evaluate the effectiveness of encapsulation materials for perovskite solar cells
title_sort A simple method to evaluate the effectiveness of encapsulation materials for perovskite solar cells
author_id_str_mv a210327b52472cfe8df9b8108d661457
author_id_fullname_str_mv a210327b52472cfe8df9b8108d661457_***_Trystan Watson
author Trystan Watson
author2 Timothy J. Wilderspin
Francesca De Rossi
Trystan Watson
format Journal article
container_title Solar Energy
container_volume 139
container_start_page 426
publishDate 2016
institution Swansea University
issn 0038-092X
doi_str_mv 10.1016/j.solener.2016.09.038
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
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description Solution processed perovskite solar cells are an exciting development in the field of photovoltaics achieving power conversion efficiencies of over 20%. Nevertheless, stability issues are still limiting the successful entry of this technology into the PV market. Rapid degradation has been observed and reported as the result of different factors, such as light, humidity and temperature, simultaneously present during real operation. It is felt within the PV community that proper, effective encapsulation is one of the key contributors to increasing perovskite lifetimes. This work presents a simple and effective method based on RGB (red, green, blue) colour measurements to track perovskite degradation to lead iodide (PbI2) using time lapse photography and thus evaluate the effectiveness/reliability of different encapsulation methods and materials. This technique gives a clear indication of when the perovskite has fully degraded and the impact of different encapsulants on degradation rate. This is supported by other analytical techniques, such as UV-Vis spectroscopy and XRD.
published_date 2016-12-01T07:04:43Z
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score 11.048064

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