Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Hasan A. Yetkin"'
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Akademický článek
The Energy Level Alignment at the Buffer/Cu(In,Ga)Se2 Thin‐Film Solar Cell Interface for CdS and GaOx
Autor: Donald Valenta, Hasan Arif Yetkin, Tim Kodalle, Jakob Bombsch, Raul Garcia‐Diez, Claudia Hartmann, Shigenori Ueda, Roberto Félix, Johannes Frisch, Lucas Bodenstein‐Dresler, Regan G. Wilks, Christian A. Kaufmann, Marcus Bär
Publikováno v: Advanced Materials Interfaces, Vol 11, Iss 13, Pp n/a-n/a (2024)
Abstract Sputter‐deposited GaOx (i.e., oxygen‐deficient gallium oxide) films are evaluated as a potential replacement for the standard CdS buffer layers in Cu(In,Ga)Se2 (CIGSe) based thin‐film photovoltaics. The energy level alignment at the Ga
Externí odkaz: https://doaj.org/article/e86b7412d85a4050acde412c67d4516c
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4
Elucidating the Effect of the Different Buffer Layers on the Thermal Stability of CIGSe Solar Cells
Autor: Florian Ruske, Hasan A. Yetkin, Rutger Schlatmann, Ibrahim Simsek, Ruslan Muydinov, Reiner Klenk, Alejandra Villanueva Tovar, Bernd Szyszka, Tobias Bertram, Marin Rusu, Tim Kodalle, Christian A. Kaufmann, Josefa Ibaceta-Jaña
Publikováno v: IEEE Journal of Photovoltaics. 11:648-657
In this contribution, the impact of thermal stress on Cu(In,Ga)Se $_{2}$ (CIGSe) thin film photovoltaic devices is investigated. The tolerance of such devices to high temperatures is of particular interest for processing transparent conductive oxides
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2aa64cfed0266b035744a942b8ea74ed
https://doi.org/10.1109/jphotov.2021.3053483
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5
A Device Model for Rb-Conditioned Chalcopyrite Solar Cells
Autor: Reiner Klenk, Hasan A. Yetkin, Christian A. Kaufmann, Rutger Schlatmann, Tobias Bertram, Alejandra Villanueva Tovar, Tim Kodalle
Publikováno v: IEEE Journal of Photovoltaics. 11:232-240
We present a comprehensive device model for Cu(In,Ga)Se $_{2}$ (CIGSe) thin-film solar cells based on numerical SCAPS-1D simulations. The model reproduces the experimentally determined current-voltage and capacitance-voltage characteristics of a Rb-f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::32905dff0b8dc38ac4da7cd261c508d0
https://doi.org/10.1109/jphotov.2020.3033426
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6
Impact of RbF post deposition treatment on CdS CIGSe and Zn O,S CIGSe interfaces A comparative HAXPES study
Autor: Christian A. Kaufmann, Robert Wenisch, Bünyamin Ümsür, Tobias Bertram, Iver Lauermann, Hasan A. Yetkin, Natalia Maticiuc, I. Majumdar, Rutger Schlatmann, Yajie Wang, Tim Kodalle
In conventional Cu(In,Ga)Se2 (CIGSe) solar cells a chemical bath deposited CdS thin film is used as a buffer layer. However, it is desired to replace CdS due to the toxicity of cadmium and the rather narrow bandgap energy of CdS. Zn(O,S) is considere
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ba3bea68dfc242683d8211b9e19320e
http://www.helmholtz-berlin.de/pubbin/oai_publication?VT=1&ID=104172
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7
Decay mechanisms in CdS buffered Cu In,Ga Se2 thin film solar cells after exposure to thermal stress Understanding the role of Na
Autor: Hasan A. Yetkin, Christian A. Kaufmann, Rutger Schlatmann, Reiner Klenk, Tobias Bertram, Marin Rusu, Tim Kodalle, Bernd Szyszka, Alejandra Villanueva-Tovar
Due to their tunable bandgap energy, Cu(In,Ga)Se2 (CIGSe) thin‐film solar cells are an attractive option for use as bottom devices in tandem configurations. In monolithic tandem devices, the thermal stability of the bottom device is paramount for r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1b23b270e1e57ccfb54d50344395750
http://www.helmholtz-berlin.de/pubbin/oai_publication?VT=1&ID=103726
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9
Comparison of the Thermal Stability of Differently Buffered CIGSe Solar Cells
Autor: Christian A. Kaufmann, Tim Kodalle, Tobias Bertram, Hasan A. Yetkin, Bernd Szyszka, Alejandra Villanueva-Tovar, Rutger Schlatmann, Reiner Klenk
Publikováno v: 2020 47th IEEE Photovoltaic Specialists Conference (PVSC).
In this contribution the impact of thermal stress on Cu(In,Ga)Se 2 (CIGSe) thin film photovoltaic devices is investigated. The tolerance of such devices to high temperatures is of particular interest for their potential use as bottom devices in tande
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8ccd4803ee74b256d1793619251ed1e
https://doi.org/10.1109/pvsc45281.2020.9300930
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10
Setting up a Device Model for Rb-Conditioned Chalcopyrite Solar Cells
Autor: Tim Kodalle, Christian A. Kaufmann, Rutger Schlatmann, Hasan A. Yetkin, Tobias Bertram
Publikováno v: 2020 47th IEEE Photovoltaic Specialists Conference (PVSC).
A comprehensive device model based on SCAPS-1D simulations is presented that reproduces the experimentally determined current-voltage and capacitance-voltage characteristics of a Rb-free reference, a sample that underwent an RbF-treatment, and a samp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8d83be9291ad02b6efd272bc7bf6f0e4
https://doi.org/10.1109/pvsc45281.2020.9301015
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