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Development of selective, ultra-fast multiple co-sensitization to control dye loading in dye-sensitized solar cells / Peter Holliman, Kareem J. Al-Salihi, Arthur Connell, Matthew Davies, Eurig W. Jones, David Worsley

RSC Advances, Volume: 4, Issue: 5, Pages: 2515 - 2522

Swansea University Authors: Peter Holliman, Matthew Davies, David Worsley

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DOI (Published version): 10.1039/c3ra42131g

Abstract

Enhancing the spectral response of dye-sensitized solar cells (DSC) is essential to increasing device efficiency and a key approach to achieve this is co-sensitization (i.e. the use of multiple dyes to absorb light from different parts of the solar spectrum). However, precise control of dye loading...

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Published in: RSC Advances
ISSN: 2046-2069 2046-2069
Published: 2014
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URI: https://cronfa.swan.ac.uk/Record/cronfa37099
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spelling 2020-12-17T10:34:30.5584753 v2 37099 2017-11-27 Development of selective, ultra-fast multiple co-sensitization to control dye loading in dye-sensitized solar cells c8f52394d776279c9c690dc26066ddf9 0000-0002-9911-8513 Peter Holliman Peter Holliman true false 4ad478e342120ca3434657eb13527636 0000-0003-2595-5121 Matthew Davies Matthew Davies true false c426b1c1b0123d7057c1b969083cea69 0000-0002-9956-6228 David Worsley David Worsley true false 2017-11-27 MTLS Enhancing the spectral response of dye-sensitized solar cells (DSC) is essential to increasing device efficiency and a key approach to achieve this is co-sensitization (i.e. the use of multiple dyes to absorb light from different parts of the solar spectrum). However, precise control of dye loading within DSC mesoporous metal oxide photo-anodes is non-trivial especially for very rapid processing (minutes). This is further complicated by dyes having very different partition (Kd) and molar extinction (ε) coefficients which strongly influence dye uptake and spectral response, respectively. Here, we present a highly versatile, ultra-fast (ca. 5 min) desorption and re-dyeing method for dye-sensitized solar cells which can be used to precisely control dye loading in photo-electrode films. This method has been successfully applied to re-dye, partially desorb and re-dye and selectively desorb and re-dye photo-electrodes using examples of a Ru-bipy dye (N719) and also organic dyes (SQ1 and D149) giving η up to 8.1% for a device containing the organic dye D149 and re-dyed with the Ru dye N719. The paper also illustrates how this method can be used to rapidly screen large numbers of dyes (and/or dye combinations) and also illustrates how it can also be used to selectively study dye loading. Journal Article RSC Advances 4 5 2515 2522 2046-2069 2046-2069 31 12 2014 2014-12-31 10.1039/c3ra42131g COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2020-12-17T10:34:30.5584753 2017-11-27T15:57:22.1785201 College of Engineering Engineering Peter Holliman 0000-0002-9911-8513 1 Kareem J. Al-Salihi 2 Arthur Connell 3 Matthew Davies 0000-0003-2595-5121 4 Eurig W. Jones 5 David Worsley 0000-0002-9956-6228 6 0037099-27112017155924.pdf holliman2014.pdf 2017-11-27T15:59:24.4270000 Output 876673 application/pdf Version of Record true 2017-11-27T00:00:00.0000000 false eng
title Development of selective, ultra-fast multiple co-sensitization to control dye loading in dye-sensitized solar cells
spellingShingle Development of selective, ultra-fast multiple co-sensitization to control dye loading in dye-sensitized solar cells
Peter, Holliman
Matthew, Davies
David, Worsley
title_short Development of selective, ultra-fast multiple co-sensitization to control dye loading in dye-sensitized solar cells
title_full Development of selective, ultra-fast multiple co-sensitization to control dye loading in dye-sensitized solar cells
title_fullStr Development of selective, ultra-fast multiple co-sensitization to control dye loading in dye-sensitized solar cells
title_full_unstemmed Development of selective, ultra-fast multiple co-sensitization to control dye loading in dye-sensitized solar cells
title_sort Development of selective, ultra-fast multiple co-sensitization to control dye loading in dye-sensitized solar cells
author_id_str_mv c8f52394d776279c9c690dc26066ddf9
4ad478e342120ca3434657eb13527636
c426b1c1b0123d7057c1b969083cea69
author_id_fullname_str_mv c8f52394d776279c9c690dc26066ddf9_***_Peter, Holliman
4ad478e342120ca3434657eb13527636_***_Matthew, Davies
c426b1c1b0123d7057c1b969083cea69_***_David, Worsley
author Peter, Holliman
Matthew, Davies
David, Worsley
author2 Peter Holliman
Kareem J. Al-Salihi
Arthur Connell
Matthew Davies
Eurig W. Jones
David Worsley
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container_title RSC Advances
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publishDate 2014
institution Swansea University
issn 2046-2069
2046-2069
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description Enhancing the spectral response of dye-sensitized solar cells (DSC) is essential to increasing device efficiency and a key approach to achieve this is co-sensitization (i.e. the use of multiple dyes to absorb light from different parts of the solar spectrum). However, precise control of dye loading within DSC mesoporous metal oxide photo-anodes is non-trivial especially for very rapid processing (minutes). This is further complicated by dyes having very different partition (Kd) and molar extinction (ε) coefficients which strongly influence dye uptake and spectral response, respectively. Here, we present a highly versatile, ultra-fast (ca. 5 min) desorption and re-dyeing method for dye-sensitized solar cells which can be used to precisely control dye loading in photo-electrode films. This method has been successfully applied to re-dye, partially desorb and re-dye and selectively desorb and re-dye photo-electrodes using examples of a Ru-bipy dye (N719) and also organic dyes (SQ1 and D149) giving η up to 8.1% for a device containing the organic dye D149 and re-dyed with the Ru dye N719. The paper also illustrates how this method can be used to rapidly screen large numbers of dyes (and/or dye combinations) and also illustrates how it can also be used to selectively study dye loading.
published_date 2014-12-31T03:52:08Z
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