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Exploring adaptations of the carbon layer of the triple mesoscopic carbon perovskite solar cell / MARK CUSHWORTH

Swansea University Author: MARK CUSHWORTH

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Abstract

This thesis explores possibilities for the improvement of the carbon layer within the triple mesoscopic carbon perovskite solar cell (mCPSC) architecture used in SPECIFIC labs at Swansea University. An increase in sheet resistance, resistivity and contact resistance is found in GEM carbon layers, wi...

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Published: Swansea, Wales, UK 2023
Institution: Swansea University
Degree level: Master of Research
Degree name: MSc by Research
Supervisor: Watson, Trystan.
URI: https://cronfa.swan.ac.uk/Record/cronfa63667
first_indexed 2023-06-20T08:38:14Z
last_indexed 2026-02-06T04:05:27Z
id cronfa63667
recordtype RisThesis
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spelling 2026-02-04T09:43:45.2728938 v2 63667 2023-06-20 Exploring adaptations of the carbon layer of the triple mesoscopic carbon perovskite solar cell ded4a08177b349e63be6b8eb4dc84667 MARK CUSHWORTH MARK CUSHWORTH true false 2023-06-20 This thesis explores possibilities for the improvement of the carbon layer within the triple mesoscopic carbon perovskite solar cell (mCPSC) architecture used in SPECIFIC labs at Swansea University. An increase in sheet resistance, resistivity and contact resistance is found in GEM carbon layers, within the mCPSC, as a result of annealing heat treatments and perovskite infiltration compared to carbon layers dried at 100°C. A unique application of a printed carbon capping layer, utilising the lower sheet resistance, contact resistance and higher mechanical robustness of the dried GEM carbon layer, is used in mCPSC devices. Devices with this capping layer are found to have increased fill factor, by 5-10%. Work function of the GEM carbon layer is enhanced with the addition of WO3 particles with improvements up to 5% PCE seen in devices that contained WO3 particles in the carbon layer. These devices have increased FF, VOC and JSC when compared to standard GEM devices. As well as possible enhancements of the carbon layer with GEM carbon ink, alternative carbon inks made in-house and sourced from commercial manufacturers are compared for use as the screen-printed carbon layer in the mCPSC. The comparisons are based on the following characterisation techniques: four-point probe measurements to calculate carbon layer sheet resistance and resistivity; profilometry to assess printed layer thickness and surface roughness; the Transmission Line Method (TLM) to find contact resistance at the interface between printed carbon layers and FTO substrate; Adhesion tape test is used to assess mechanical robustness of the carbon layer and Kelvin probe measurements are used to calculate the work-function of the carbon layer. E-Thesis Swansea, Wales, UK 16 5 2023 2023-05-16 COLLEGE NANME COLLEGE CODE Swansea University Watson, Trystan. Master of Research MSc by Research 2026-02-04T09:43:45.2728938 2023-06-20T09:35:20.1394830 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering MARK CUSHWORTH 1 63667__27883__1cd49c93449248bca140b214891c09dc.pdf 2023_Cushworth_M.final.63667.pdf 2023-06-20T09:38:32.1156449 Output 3256905 application/pdf E-Thesis – open access true Copyright: The Author, Mark Cushworth, 2023. true eng
title Exploring adaptations of the carbon layer of the triple mesoscopic carbon perovskite solar cell
spellingShingle Exploring adaptations of the carbon layer of the triple mesoscopic carbon perovskite solar cell
MARK CUSHWORTH
title_short Exploring adaptations of the carbon layer of the triple mesoscopic carbon perovskite solar cell
title_full Exploring adaptations of the carbon layer of the triple mesoscopic carbon perovskite solar cell
title_fullStr Exploring adaptations of the carbon layer of the triple mesoscopic carbon perovskite solar cell
title_full_unstemmed Exploring adaptations of the carbon layer of the triple mesoscopic carbon perovskite solar cell
title_sort Exploring adaptations of the carbon layer of the triple mesoscopic carbon perovskite solar cell
author_id_str_mv ded4a08177b349e63be6b8eb4dc84667
author_id_fullname_str_mv ded4a08177b349e63be6b8eb4dc84667_***_MARK CUSHWORTH
author MARK CUSHWORTH
author2 MARK CUSHWORTH
format E-Thesis
publishDate 2023
institution Swansea University
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 Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str 1
active_str 0
description This thesis explores possibilities for the improvement of the carbon layer within the triple mesoscopic carbon perovskite solar cell (mCPSC) architecture used in SPECIFIC labs at Swansea University. An increase in sheet resistance, resistivity and contact resistance is found in GEM carbon layers, within the mCPSC, as a result of annealing heat treatments and perovskite infiltration compared to carbon layers dried at 100°C. A unique application of a printed carbon capping layer, utilising the lower sheet resistance, contact resistance and higher mechanical robustness of the dried GEM carbon layer, is used in mCPSC devices. Devices with this capping layer are found to have increased fill factor, by 5-10%. Work function of the GEM carbon layer is enhanced with the addition of WO3 particles with improvements up to 5% PCE seen in devices that contained WO3 particles in the carbon layer. These devices have increased FF, VOC and JSC when compared to standard GEM devices. As well as possible enhancements of the carbon layer with GEM carbon ink, alternative carbon inks made in-house and sourced from commercial manufacturers are compared for use as the screen-printed carbon layer in the mCPSC. The comparisons are based on the following characterisation techniques: four-point probe measurements to calculate carbon layer sheet resistance and resistivity; profilometry to assess printed layer thickness and surface roughness; the Transmission Line Method (TLM) to find contact resistance at the interface between printed carbon layers and FTO substrate; Adhesion tape test is used to assess mechanical robustness of the carbon layer and Kelvin probe measurements are used to calculate the work-function of the carbon layer.
published_date 2023-05-16T05:12:20Z
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score 11.098499

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