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http://hdl.handle.net/1942/31485
Title: | Study of Room Temperature Photoluminescence For 1-stage Co-Evaporated Ultra-Thin Cu(In,Ga)Se2 Solar Cells | Authors: | BULDU KOHL, Dilara DE WILD, Jessica KOHL, Thierry BIRANT, Gizem BRAMMERTZ, Guy MEURIS, Marc POORTMANS, Jef VERMANG, Bart |
Issue Date: | 2019 | Publisher: | IEEE | Source: | 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC), p. 0920 -0922 | Series/Report: | IEEE Photovoltaic Specialists Conference | Series/Report no.: | 46 | Abstract: | Room temperature photoluminescence measurement has been carried out on 1-stage co-evaporated Cu(In,Ga)Se-2 thin film in order to investigate the effect of ammonium sulfide (NH4)(2)S surface treatment. The defect related PL peak in the as-deposited CIGS thin film changes with CGI ratio. The surface treatment leads to an increase in the main PL intensity by a factor of similar to 10. The lifetime of minority carriers is slightly increased after surface treatment, and it is observed that a low-Cu region is more affected than a high-Cu region. | Keywords: | Cu(In, Ga)Se-2;(NH4)2S surface treatment;room temperature photoluminescence | Document URI: | http://hdl.handle.net/1942/31485 | Link to publication/dataset: | http://doi.org/10.1109/pvsc40753.2019.8980832 | ISBN: | 978-1-7281-0494-2 | DOI: | 10.1109/pvsc40753.2019.8980832 | ISI #: | WOS:000542034900190 | Rights: | Copyright 2020 IEEE - All rights reserved. | Category: | C1 | Type: | Proceedings Paper | Validations: | ecoom 2021 |
Appears in Collections: | Research publications |
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