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Interplay of band energetics and photo/electro/chemical activity of SnO2 thin films
- 1.0580133 - ÚFCH JH 2025 RIV DE eng J - Journal Article
Kavan, Ladislav - Zlámalová, Magda - Mansfeldová, Věra - Krýsová, Hana - Tarábková, Hana - Pitňa Lásková, Barbora
Interplay of band energetics and photo/electro/chemical activity of SnO2 thin films.
Monatshefte fur Chemie. Roč. 155, APR 2024 (2024), s. 325-331. ISSN 0026-9247. E-ISSN 1434-4475
R&D Projects: GA ČR GA22-24138S
Institutional support: RVO:61388955
Keywords : layers * photoelectrodes * transparent * deposition * oxides * tio2 * Tin compounds * Nanostructures * Electrochemistry * Oxides
OECD category: Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)
Impact factor: 1.7, year: 2023
Method of publishing: Limited access
The ALD-SnO2 thin films are prepared at FTO and Au(111) substrates. Their investigation is referenced, if relevant, to a model system of SnO2 cassiterite (001) single crystal. Open questions about the photoelectrochemical activity and band energetics after calcination and UV-excitation are addressed. We analyze the data from AFM, Raman, Kelvin probe, photoelectrochemistry of water oxidation and electrochemical impedance spectroscopy (flatband potentials determined from Mott-Schottky plots) in aqueous and acetonitrile media. Calcination of ALD-SnO2 causes strong enhancement of work functions, surface coarsening, and decrease of band-gap.
Permanent Link: https://hdl.handle.net/11104/0348898
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