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Large area quantum dot luminescent solar concentrators for use with dye-sensitised solar cells

Lorcan J. Brennan, Finn Purcell-Milton, Barry McKenna, Trystan M. Watson, Yurii K. Gun'ko, Rachel C. Evans, Trystan Watson Orcid Logo

Journal of Materials Chemistry A, Volume: 6, Issue: 6, Pages: 2671 - 2680

Swansea University Author: Trystan Watson Orcid Logo

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DOI (Published version): 10.1039/C7TA04731B

Abstract

Luminescent solar concentrators (LSCs) have the potential to significantly contribute to solar energy harvesting strategies in the built environment. For the practical realisation of LSC technology, the ability to create large area devices, which contain considerable volumes of high quality luminesc...

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Published in: Journal of Materials Chemistry A
ISSN: 2050-7488 2050-7496
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa38072
first_indexed 2018-01-12T14:16:15Z
last_indexed 2018-04-24T19:43:29Z
id cronfa38072
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spelling 2018-04-24T14:07:02.8410753 v2 38072 2018-01-12 Large area quantum dot luminescent solar concentrators for use with dye-sensitised solar cells a210327b52472cfe8df9b8108d661457 0000-0002-8015-1436 Trystan Watson Trystan Watson true false 2018-01-12 EAAS Luminescent solar concentrators (LSCs) have the potential to significantly contribute to solar energy harvesting strategies in the built environment. For the practical realisation of LSC technology, the ability to create large area devices, which contain considerable volumes of high quality luminescent species, is paramount. Here, we report the development of large area (90 cm2 top face), planar LSCs doped with green-emitting CdSe@ZnS/ZnS core–shell quantum dots (QD) with a composition gradient shell. The champion LSC demonstrates an optical efficiency of 1.2%, for a geometric factor of 7.9, under full spectrum illumination (AM1.5G). It was observed that inhomogeneity in the edge emission is a feature of large area devices and that an appropriate measurement geometry should be used to account for this when determining the optical efficiency. The LSCs exhibit excellent optical stability under accelerated testing conditions and display reasonably low optical reabsorption losses. Proof-of-principle integration of the QD-LSC with a planar, thin strip DSSC is demonstrated to generate an enhanced photocurrent. These results not only highlight the promise of composition gradient shell QDs for the practical realisation of large area LSCs, but indicate that we should look beyond conventional silicon cells and towards emerging photovoltaic (PV) technologies for the design of hybrid LSC-PV systems for the urban environment. Journal Article Journal of Materials Chemistry A 6 6 2671 2680 2050-7488 2050-7496 31 12 2018 2018-12-31 10.1039/C7TA04731B COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University 2018-04-24T14:07:02.8410753 2018-01-12T10:46:47.7932710 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Lorcan J. Brennan 1 Finn Purcell-Milton 2 Barry McKenna 3 Trystan&nbsp;M. Watson 4 Yurii K. Gun'ko 5 Rachel C. Evans 6 Trystan Watson 0000-0002-8015-1436 7 0038072-28022018135405.pdf brennan2018(2).pdf 2018-02-28T13:54:05.4200000 Output 1588730 application/pdf Accepted Manuscript true 2019-01-23T00:00:00.0000000 true eng
title Large area quantum dot luminescent solar concentrators for use with dye-sensitised solar cells
spellingShingle Large area quantum dot luminescent solar concentrators for use with dye-sensitised solar cells
Trystan Watson
title_short Large area quantum dot luminescent solar concentrators for use with dye-sensitised solar cells
title_full Large area quantum dot luminescent solar concentrators for use with dye-sensitised solar cells
title_fullStr Large area quantum dot luminescent solar concentrators for use with dye-sensitised solar cells
title_full_unstemmed Large area quantum dot luminescent solar concentrators for use with dye-sensitised solar cells
title_sort Large area quantum dot luminescent solar concentrators for use with dye-sensitised solar cells
author_id_str_mv a210327b52472cfe8df9b8108d661457
author_id_fullname_str_mv a210327b52472cfe8df9b8108d661457_***_Trystan Watson
author Trystan Watson
author2 Lorcan J. Brennan
Finn Purcell-Milton
Barry McKenna
Trystan&nbsp;M. Watson
Yurii K. Gun'ko
Rachel C. Evans
Trystan Watson
format Journal article
container_title Journal of Materials Chemistry A
container_volume 6
container_issue 6
container_start_page 2671
publishDate 2018
institution Swansea University
issn 2050-7488
2050-7496
doi_str_mv 10.1039/C7TA04731B
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 Luminescent solar concentrators (LSCs) have the potential to significantly contribute to solar energy harvesting strategies in the built environment. For the practical realisation of LSC technology, the ability to create large area devices, which contain considerable volumes of high quality luminescent species, is paramount. Here, we report the development of large area (90 cm2 top face), planar LSCs doped with green-emitting CdSe@ZnS/ZnS core–shell quantum dots (QD) with a composition gradient shell. The champion LSC demonstrates an optical efficiency of 1.2%, for a geometric factor of 7.9, under full spectrum illumination (AM1.5G). It was observed that inhomogeneity in the edge emission is a feature of large area devices and that an appropriate measurement geometry should be used to account for this when determining the optical efficiency. The LSCs exhibit excellent optical stability under accelerated testing conditions and display reasonably low optical reabsorption losses. Proof-of-principle integration of the QD-LSC with a planar, thin strip DSSC is demonstrated to generate an enhanced photocurrent. These results not only highlight the promise of composition gradient shell QDs for the practical realisation of large area LSCs, but indicate that we should look beyond conventional silicon cells and towards emerging photovoltaic (PV) technologies for the design of hybrid LSC-PV systems for the urban environment.
published_date 2018-12-31T19:30:32Z
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