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Digital imaging to simultaneously study device lifetimes of multiple dye-sensitized solar cells

Leo Furnell, Peter Holliman Orcid Logo, Arthur Connell, Eurig W. Jones, Robert Hobbs, Christopher P. Kershaw, Rosie Anthony, Justin Searle, Trystan Watson Orcid Logo, James McGettrick

Sustainable Energy Fuels, Volume: 1, Issue: 2, Pages: 362 - 370

Swansea University Authors: Peter Holliman Orcid Logo, Trystan Watson Orcid Logo

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DOI (Published version): 10.1039/C7SE00015D

Abstract

In situ degradation of multiple dyes (D35, N719, SQ1 and SQ2) has been investigated simultaneously using digital imaging and colour analysis. The approach has been used to study the air stability of N719 and squaraine dyes adsorbed onto TiO2 films with the data suggesting this method could be used a...

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Published in: Sustainable Energy Fuels
ISSN: 2398-4902
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa31632
first_indexed 2017-01-17T16:06:18Z
last_indexed 2018-02-09T05:18:45Z
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spelling 2017-08-01T15:36:09.4853691 v2 31632 2017-01-17 Digital imaging to simultaneously study device lifetimes of multiple dye-sensitized solar cells c8f52394d776279c9c690dc26066ddf9 0000-0002-9911-8513 Peter Holliman Peter Holliman true false a210327b52472cfe8df9b8108d661457 0000-0002-8015-1436 Trystan Watson Trystan Watson true false 2017-01-17 EAAS In situ degradation of multiple dyes (D35, N719, SQ1 and SQ2) has been investigated simultaneously using digital imaging and colour analysis. The approach has been used to study the air stability of N719 and squaraine dyes adsorbed onto TiO2 films with the data suggesting this method could be used as a rapid screening technique for DSC dyes and other solar cell components. Full DSC devices have then been tested using either D35 or N719 dyes and these data have been correlated with UV-vis, IR and XPS spectroscopy, mass spectrometry, TLC and DSC device performance. Using this method, up to 21 samples have been tested simultaneously ensuring consistent sample exposure. Liquid electrolyte DSC devices have been tested under light soaking including the first report of D35 testing with I-/I3- electrolyte whilst operating at open circuit, short circuit, or under load, with the slowest degradation shown at open circuit. D35 lifetime data suggest that this dye degrades after ca. 370h light soaking regardless of UV filtering. Control, N719 devices have also been light soaked for 2500h to verify the imaging method and the N719 device data confirm that UV filtration is essential to protect the dye and I3-/I- electrolyte redox couple to maintain device lifetime. The data show a direct link between the colour intensity and/or hue of device sub-components and device degradation, enabling “real time” diagnosis of device failure mechanisms. Journal Article Sustainable Energy Fuels 1 2 362 370 2398-4902 16 1 2017 2017-01-16 10.1039/C7SE00015D COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University 2017-08-01T15:36:09.4853691 2017-01-17T08:41:35.4136584 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Leo Furnell 1 Peter Holliman 0000-0002-9911-8513 2 Arthur Connell 3 Eurig W. Jones 4 Robert Hobbs 5 Christopher P. Kershaw 6 Rosie Anthony 7 Justin Searle 8 Trystan Watson 0000-0002-8015-1436 9 James McGettrick 10 0031632-02062017142142.pdf furnell2017(2).pdf 2017-06-02T14:21:42.9530000 Output 2121217 application/pdf Version of Record true 2017-06-02T00:00:00.0000000 true eng
title Digital imaging to simultaneously study device lifetimes of multiple dye-sensitized solar cells
spellingShingle Digital imaging to simultaneously study device lifetimes of multiple dye-sensitized solar cells
Peter Holliman
Trystan Watson
title_short Digital imaging to simultaneously study device lifetimes of multiple dye-sensitized solar cells
title_full Digital imaging to simultaneously study device lifetimes of multiple dye-sensitized solar cells
title_fullStr Digital imaging to simultaneously study device lifetimes of multiple dye-sensitized solar cells
title_full_unstemmed Digital imaging to simultaneously study device lifetimes of multiple dye-sensitized solar cells
title_sort Digital imaging to simultaneously study device lifetimes of multiple dye-sensitized solar cells
author_id_str_mv c8f52394d776279c9c690dc26066ddf9
a210327b52472cfe8df9b8108d661457
author_id_fullname_str_mv c8f52394d776279c9c690dc26066ddf9_***_Peter Holliman
a210327b52472cfe8df9b8108d661457_***_Trystan Watson
author Peter Holliman
Trystan Watson
author2 Leo Furnell
Peter Holliman
Arthur Connell
Eurig W. Jones
Robert Hobbs
Christopher P. Kershaw
Rosie Anthony
Justin Searle
Trystan Watson
James McGettrick
format Journal article
container_title Sustainable Energy Fuels
container_volume 1
container_issue 2
container_start_page 362
publishDate 2017
institution Swansea University
issn 2398-4902
doi_str_mv 10.1039/C7SE00015D
college_str Faculty of Science and Engineering
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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
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description In situ degradation of multiple dyes (D35, N719, SQ1 and SQ2) has been investigated simultaneously using digital imaging and colour analysis. The approach has been used to study the air stability of N719 and squaraine dyes adsorbed onto TiO2 films with the data suggesting this method could be used as a rapid screening technique for DSC dyes and other solar cell components. Full DSC devices have then been tested using either D35 or N719 dyes and these data have been correlated with UV-vis, IR and XPS spectroscopy, mass spectrometry, TLC and DSC device performance. Using this method, up to 21 samples have been tested simultaneously ensuring consistent sample exposure. Liquid electrolyte DSC devices have been tested under light soaking including the first report of D35 testing with I-/I3- electrolyte whilst operating at open circuit, short circuit, or under load, with the slowest degradation shown at open circuit. D35 lifetime data suggest that this dye degrades after ca. 370h light soaking regardless of UV filtering. Control, N719 devices have also been light soaked for 2500h to verify the imaging method and the N719 device data confirm that UV filtration is essential to protect the dye and I3-/I- electrolyte redox couple to maintain device lifetime. The data show a direct link between the colour intensity and/or hue of device sub-components and device degradation, enabling “real time” diagnosis of device failure mechanisms.
published_date 2017-01-16T01:19:39Z
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