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Quantifying Infiltration for Quality Control in Printed Mesoscopic Perovskite Solar Cells: A Microscopic Perspective
,
Sarah-Jane Potts ,
Rodrigo Garcia Rodriguez,
Becky Bolton,
Matthew Davies ,
Eifion Jewell ,
Trystan Watson
ACS Applied Energy Materials, Volume: 7, Issue: 5, Pages: 1938 - 1948
Swansea University Authors:
Carys Worsley, Tom O. Dunlop , Sarah-Jane Potts , Rodrigo Garcia Rodriguez, Becky Bolton, Matthew Davies , Eifion Jewell , Trystan Watson
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DOI (Published version): 10.1021/acsaem.3c03056
Abstract
Mesoscopic carbon-based perovskite solar cells (CPSCs) are often cited as a potential frontrunner to perovskite commercialization. Infiltration, the extent to which perovskite fills the mesoporous scaffold, is critical for optimum performance and stability. However, infiltration data are usually pre...
| Published in: | ACS Applied Energy Materials |
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| ISSN: | 2574-0962 2574-0962 |
| Published: |
American Chemical Society (ACS)
2024
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| Online Access: |
Check full text
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa66062 |
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| Abstract: |
Mesoscopic carbon-based perovskite solar cells (CPSCs) are often cited as a potential frontrunner to perovskite commercialization. Infiltration, the extent to which perovskite fills the mesoporous scaffold, is critical for optimum performance and stability. However, infiltration data are usually presented as qualitative photographic comparisons of samples with extreme infiltration variation. This work examines how small infiltration defects impact performance using an optical microscopy examination of the base TiO2 layer to identify issues and develop targeted techniques for infiltration enhancement. Critically, the uninfiltrated area at the base of the stack was found to correlate well with PCE across multiple batches of varied print quality and ZrO2 thickness. Through reduction of mesh mark defects and improvement of print quality in the ZrO2 and carbon layers, a champion PCE of 15.01% is attained. It follows that this facile, multiscaled, nondestructive technique could enable targeted performance enhancement and quality control in future scale-up initiatives. |
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| Keywords: |
Mesoscopic, perovskite, carbon, scale-up, quality control, infiltration |
| College: |
Faculty of Science and Engineering |
| Funders: |
Royal Society, Newton Fund Impact Scheme, EPSRC Programme Grant ATIP (Application Targeted and Integrated Photovoltaics), SPECIFIC Innovation and Knowledge Centre, Innovate UK, European Regional Development Fund, Prosperity partnership. ICA\R1\191321, 541128962, EP/T028513/1, EP/N020863/1), 920036, c80892, EP/X025217/1, (EP/S001336/1) |
| Issue: |
5 |
| Start Page: |
1938 |
| End Page: |
1948 |