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Printable luminescent down shifter for enhancing efficiency and stability of organic photovoltaics

J. Kettle, N. Bristow, O. Moudam, B. Li, E.A. Katz, G.A. dos Reis Benatto, F.C. Krebs, David Gethin Orcid Logo, Zari Tehrani Orcid Logo

Solar Energy Materials and Solar Cells, Volume: 144, Pages: 481 - 487

Swansea University Authors: David Gethin Orcid Logo, Zari Tehrani Orcid Logo

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DOI (Published version): 10.1016/j.solmat.2015.09.037

Abstract

The proof of concept of using luminescent down shifting (LDS) layers as alternative UV filters for P3HT:PCBM OPVs is demonstrated using a lanthanide-based metal complex. The results are verified using a combination of indoor light soaking, with single cell devices, and outdoor performance monitoring...

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Published in: Solar Energy Materials and Solar Cells
ISSN: 0927-0248
Published: 2016
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URI: https://cronfa.swan.ac.uk/Record/cronfa24081
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first_indexed 2015-10-31T01:56:49Z
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spelling 2020-05-22T13:53:02.4994731 v2 24081 2015-10-30 Printable luminescent down shifter for enhancing efficiency and stability of organic photovoltaics 20b93675a5457203ae87ebc32bd6d155 0000-0002-7142-8253 David Gethin David Gethin true false fd8e614b01086804c80fbafa6fa6aaf5 0000-0002-5069-7921 Zari Tehrani Zari Tehrani true false 2015-10-30 MECH The proof of concept of using luminescent down shifting (LDS) layers as alternative UV filters for P3HT:PCBM OPVs is demonstrated using a lanthanide-based metal complex. The results are verified using a combination of indoor light soaking, with single cell devices, and outdoor performance monitoring, using a 16-cell monolithically connected OPV module. By applying the LDS layer, a ~5% relative enhancement in photocurrent is observed for both sets of devices. More significantly, indoor light soaking tests on single cell devices without encapsulation showed an 850% enhancement in the measured half-life (T50%). The OPV modules were encapsulated and tested for outdoor stability over a 70 day period in the Negev desert, Israel. The modules made with the LDS filter are shown to match the stability of those made with a commercial UV filter and outperform the modules with no filter applied, with a 51% enhancement in the measured stability (T75%). Significantly, the work provides clear experimental evidence that the LDS layer can act as a UV filter in OPVs without compromising the efficiency of the solar cell, thus providing an added benefit over commercial UV filters. Journal Article Solar Energy Materials and Solar Cells 144 481 487 0927-0248 31 1 2016 2016-01-31 10.1016/j.solmat.2015.09.037 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2020-05-22T13:53:02.4994731 2015-10-30T14:40:54.4413204 J. Kettle 1 N. Bristow 2 O. Moudam 3 B. Li 4 E.A. Katz 5 G.A. dos Reis Benatto 6 F.C. Krebs 7 David Gethin 0000-0002-7142-8253 8 Zari Tehrani 0000-0002-5069-7921 9
title Printable luminescent down shifter for enhancing efficiency and stability of organic photovoltaics
spellingShingle Printable luminescent down shifter for enhancing efficiency and stability of organic photovoltaics
David Gethin
Zari Tehrani
title_short Printable luminescent down shifter for enhancing efficiency and stability of organic photovoltaics
title_full Printable luminescent down shifter for enhancing efficiency and stability of organic photovoltaics
title_fullStr Printable luminescent down shifter for enhancing efficiency and stability of organic photovoltaics
title_full_unstemmed Printable luminescent down shifter for enhancing efficiency and stability of organic photovoltaics
title_sort Printable luminescent down shifter for enhancing efficiency and stability of organic photovoltaics
author_id_str_mv 20b93675a5457203ae87ebc32bd6d155
fd8e614b01086804c80fbafa6fa6aaf5
author_id_fullname_str_mv 20b93675a5457203ae87ebc32bd6d155_***_David Gethin
fd8e614b01086804c80fbafa6fa6aaf5_***_Zari Tehrani
author David Gethin
Zari Tehrani
author2 J. Kettle
N. Bristow
O. Moudam
B. Li
E.A. Katz
G.A. dos Reis Benatto
F.C. Krebs
David Gethin
Zari Tehrani
format Journal article
container_title Solar Energy Materials and Solar Cells
container_volume 144
container_start_page 481
publishDate 2016
institution Swansea University
issn 0927-0248
doi_str_mv 10.1016/j.solmat.2015.09.037
document_store_str 0
active_str 0
description The proof of concept of using luminescent down shifting (LDS) layers as alternative UV filters for P3HT:PCBM OPVs is demonstrated using a lanthanide-based metal complex. The results are verified using a combination of indoor light soaking, with single cell devices, and outdoor performance monitoring, using a 16-cell monolithically connected OPV module. By applying the LDS layer, a ~5% relative enhancement in photocurrent is observed for both sets of devices. More significantly, indoor light soaking tests on single cell devices without encapsulation showed an 850% enhancement in the measured half-life (T50%). The OPV modules were encapsulated and tested for outdoor stability over a 70 day period in the Negev desert, Israel. The modules made with the LDS filter are shown to match the stability of those made with a commercial UV filter and outperform the modules with no filter applied, with a 51% enhancement in the measured stability (T75%). Significantly, the work provides clear experimental evidence that the LDS layer can act as a UV filter in OPVs without compromising the efficiency of the solar cell, thus providing an added benefit over commercial UV filters.
published_date 2016-01-31T03:28:30Z
_version_ 1763751085754810368
score 11.035655

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