Multifunctional titanium oxide layers in silicon heterojunction solar cells formed via selective anodization
Abstract: Herein, a novel strategy is introduced to reduce the consumption of scarce materials in silicon heterojunction solar cells by combining approaches for Ag replacement in the metallization and a reduction of the indium tin oxide layer thickness: a Ti layer deposited by physical vapor deposition serves both as the contact layer of a copper-based metallization and after electrochemical oxidation as capping layer enabling the use of a thinner transparent conductive oxide. Further, the TiOx layer can build an encapsulation layer. While oxygen evolution and metal dissolution are found to be critical side reactions, a nonaqueous electrolyte is found in which these reactions can be avoided. The application on silicon heterojunction solar cells shows promising first results, exhibiting a short circuit current density of 35 mA cm−2 and a cell efficiency of close to 21% despite nonoptimized layer thicknesses
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Anmerkungen
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Solar RRL. - 7, 19 (2023) , 2300418, ISSN: 2367-198X
- Klassifikation
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Elektrotechnik, Elektronik
- Ereignis
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Veröffentlichung
- (wo)
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Freiburg
- (wer)
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Universität
- (wann)
-
2024
- Urheber
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Jakob, Leonie
Tutsch, Leonard
Hatt, Thibaud
Westraadt, Johan
Ngongo, Sinoyolo
Glatthaar, Markus
Bivour, Martin
Bartsch, Jonas
- DOI
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10.1002/solr.202300418
- URN
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urn:nbn:de:bsz:25-freidok-2557357
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
-
25.03.2025, 13:51 MEZ
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Beteiligte
- Jakob, Leonie
- Tutsch, Leonard
- Hatt, Thibaud
- Westraadt, Johan
- Ngongo, Sinoyolo
- Glatthaar, Markus
- Bivour, Martin
- Bartsch, Jonas
- Universität
Entstanden
- 2024
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