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Combined Optical-Electrical Optimization of Cd1−xZnxTe/Silicon Tandem Solar Cells
Materials, Volume: 13, Issue: 8, Start page: 1860
Swansea University Author: Giray Kartopu
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DOI (Published version): 10.3390/ma13081860
Abstract
Although the fundamental limits have been established for the single junction solar cells, tandem configurations are one of the promising approaches to surpass these limits. One of the candidates for the top cell absorber is CdTe, as the CdTe photovoltaic technology has significant advantages: stabi...
Published in: | Materials |
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ISSN: | 1996-1944 |
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MDPI AG
2020
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URI: | https://cronfa.swan.ac.uk/Record/cronfa54321 |
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2022-11-24T10:39:45.5538591 v2 54321 2020-05-27 Combined Optical-Electrical Optimization of Cd1−xZnxTe/Silicon Tandem Solar Cells 5c4917e0a29801844ec31737672f930c Giray Kartopu Giray Kartopu true false 2020-05-27 MTLS Although the fundamental limits have been established for the single junction solar cells, tandem configurations are one of the promising approaches to surpass these limits. One of the candidates for the top cell absorber is CdTe, as the CdTe photovoltaic technology has significant advantages: stability, high performance, and relatively inexpensive. In addition, it is possible to tune the CdTe bandgap by introducing, for example, Zn into the composition, forming Cd1−xZnxTe alloys, which can fulfill the Shockley–Queisser limit design criteria for tandem devices. The interdigitated back contact (IBC) silicon solar cells presented record high efficiencies recently, making them an attractive candidate for the rear cell. In this work, we present a combined optical and electrical optimization of Cd1−xZnxTe/IBC Si tandem configurations. Optical and electrical loss mechanisms are addressed, and individual layers are optimized. Alternative electron transport layers and transparent conductive electrodes are discussed for maximizing the top cell and tandem efficiency. Journal Article Materials 13 8 1860 MDPI AG 1996-1944 photovoltaic cell; tandem cell; CdTe; CdZnTe; ZnTe; c-Si; IBC silicon cell 15 4 2020 2020-04-15 10.3390/ma13081860 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2022-11-24T10:39:45.5538591 2020-05-27T09:27:11.9274904 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Mehmet Koç 1 Giray Kartopu 2 Selcuk Yerci 3 54321__17355__a4ddf93d1f61459bbcd9044b6d3f77d2.pdf 54321.pdf 2020-05-27T09:28:34.4624285 Output 2095703 application/pdf Version of Record true This is an open access article distributed under the Creative Commons Attribution License (CC-BY). true English https://creativecommons.org/licenses/by/4.0/ |
title |
Combined Optical-Electrical Optimization of Cd1−xZnxTe/Silicon Tandem Solar Cells |
spellingShingle |
Combined Optical-Electrical Optimization of Cd1−xZnxTe/Silicon Tandem Solar Cells Giray Kartopu |
title_short |
Combined Optical-Electrical Optimization of Cd1−xZnxTe/Silicon Tandem Solar Cells |
title_full |
Combined Optical-Electrical Optimization of Cd1−xZnxTe/Silicon Tandem Solar Cells |
title_fullStr |
Combined Optical-Electrical Optimization of Cd1−xZnxTe/Silicon Tandem Solar Cells |
title_full_unstemmed |
Combined Optical-Electrical Optimization of Cd1−xZnxTe/Silicon Tandem Solar Cells |
title_sort |
Combined Optical-Electrical Optimization of Cd1−xZnxTe/Silicon Tandem Solar Cells |
author_id_str_mv |
5c4917e0a29801844ec31737672f930c |
author_id_fullname_str_mv |
5c4917e0a29801844ec31737672f930c_***_Giray Kartopu |
author |
Giray Kartopu |
author2 |
Mehmet Koç Giray Kartopu Selcuk Yerci |
format |
Journal article |
container_title |
Materials |
container_volume |
13 |
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8 |
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1860 |
publishDate |
2020 |
institution |
Swansea University |
issn |
1996-1944 |
doi_str_mv |
10.3390/ma13081860 |
publisher |
MDPI AG |
college_str |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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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 |
Although the fundamental limits have been established for the single junction solar cells, tandem configurations are one of the promising approaches to surpass these limits. One of the candidates for the top cell absorber is CdTe, as the CdTe photovoltaic technology has significant advantages: stability, high performance, and relatively inexpensive. In addition, it is possible to tune the CdTe bandgap by introducing, for example, Zn into the composition, forming Cd1−xZnxTe alloys, which can fulfill the Shockley–Queisser limit design criteria for tandem devices. The interdigitated back contact (IBC) silicon solar cells presented record high efficiencies recently, making them an attractive candidate for the rear cell. In this work, we present a combined optical and electrical optimization of Cd1−xZnxTe/IBC Si tandem configurations. Optical and electrical loss mechanisms are addressed, and individual layers are optimized. Alternative electron transport layers and transparent conductive electrodes are discussed for maximizing the top cell and tandem efficiency. |
published_date |
2020-04-15T04:07:47Z |
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1763753557025095680 |
score |
11.021648 |