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Defect tolerance in as-deposited selenium-alloyed cadmium telluride solar cells
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Fiducia, Thomas A. M., Munshi, Amit H., Barth, Kurt, Proprentner, Daniela, West, Geoffrey D., Sampath, Walajabad S. and Walls, John M. (2018) Defect tolerance in as-deposited selenium-alloyed cadmium telluride solar cells. In: 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, Waikoloa Village, HI, USA, 10-15 Jun 2018. Published in: 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) 0127-0130. ISBN 9781538685303. doi:10.1109/PVSC.2018.8547294 ISSN 0160-8371.
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Official URL: http://dx.doi.org/10.1109/PVSC.2018.8547294
Abstract
The efficiency of cadmium telluride (CdTe) solar cells is limited primarily by voltage, which is known to depend on the carrier concentration and carrier lifetimes within the absorber layer of the cell. Here, cathodoluminescence measurements are made on an as-deposited CdSeTe/CdTe solar cell that show that selenium alloyed CdTe material luminesces much more strongly than non-alloyed CdTe. This reduction in non-radiative recombination in the CdSeTe suggests that the selenium gives it a certain defect tolerance. This has implications for carrier lifetimes and voltages in cadmium telluride solar cells.
Item Type: | Conference Item (Paper) | ||||||
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Subjects: | Q Science > QD Chemistry T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
Library of Congress Subject Headings (LCSH): | Cadmium telluride , Solar cells , Solar cells -- Effect of radiation on | ||||||
Journal or Publication Title: | 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) | ||||||
ISBN: | 9781538685303 | ||||||
ISSN: | 0160-8371 | ||||||
Book Title: | 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC) | ||||||
Official Date: | 29 November 2018 | ||||||
Dates: |
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Page Range: | 0127-0130 | ||||||
DOI: | 10.1109/PVSC.2018.8547294 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Reuse Statement (publisher, data, author rights): | © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | ||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||
Date of first compliant deposit: | 3 April 2020 | ||||||
Date of first compliant Open Access: | 3 April 2020 | ||||||
Conference Paper Type: | Paper | ||||||
Title of Event: | 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion | ||||||
Type of Event: | Conference | ||||||
Location of Event: | Waikoloa Village, HI, USA | ||||||
Date(s) of Event: | 10-15 Jun 2018 |
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