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Solvent Selection as a Key Factor in the Performance of Semitransparent Heterojunctions Composed of Hydrogenated Nanotubes and Bismuth Sulfides
Abstract
Research on titanium nanotubes modified with metal sulfides, particularly bismuth sulfide (Bi2S3), aims to create heterostructures that efficiently absorb sunlight and then separate photogenerated charge carriers, thereby enhancing the energy conversion efficiency. This study shows a key role of solvent used for sulfide and bismuth salt solutions used during successive ionic layer adsorption and reaction (SILAR) onto the morphology, structure, and photoresponse of the heterojunction where one element is represented by semitransparent titania nanotubes (gTiNT) and the second is Bi2S3. Using 2-methoxyethanol and methanol during SILAR, results in remarkably photoactive 3D heterostructure and recorded photocurrents were 44 times higher compared to bare titania nanotubes. Additionally, methanol- and 2-methoxyethanol-based processing allowed uniform deposition of the sulfide, which was not reached for other solvents. XPS studies not only confirm formation of bismuth sulfides but also indicate that BixTiyOz compound can arise that can affect both stability and photoactivity of the electrode material.
Citations
Authors (8)
-
Wiktoria Lipińska
- Instytut Maszyn Przepływowych im. R. Szewalskiego Polskiej Akademii Nauk
-
Justyna Gumieniak
- Politechnika Rzeszowska
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Agnieszka Kramek
- Politechnika Rzeszowska
-
Karol Załęski
- Uniwersytet im. Adama Mickiewicza w Poznaniu
-
Emerson Coy
- Uniwersytet im. Adama Mickiewicza w Poznaniu
-
Katarzyna Siuzdak dr hab. inż.
- Instytut Maszyn Przepływowych im. R. Szewalskiego Polskiej Akademii Nauk
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1021/acsami.4c18233
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
ACS Applied Materials & Interfaces
no. 17,
pages 6728 - 6741,
ISSN: 1944-8244 - Language:
- English
- Publication year:
- 2025
- Bibliographic description:
- Wolff S., Lipińska W., Gumieniak J., Kramek A., Załęski K., Coy E., Wójcik N., Siuzdak K.: Solvent Selection as a Key Factor in the Performance of Semitransparent Heterojunctions Composed of Hydrogenated Nanotubes and Bismuth Sulfides// ACS Applied Materials & Interfaces -Vol. 17,iss. 4 (2025), s.6728-6741
- DOI:
- Digital Object Identifier (open in new tab) 10.1021/acsami.4c18233
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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