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Ti-Fe2O3/In2O3 as photoactive material: The role of the substrate in photoelectrochemical water oxidation
Abstract
The layers of Ti-Fe2O3/In2O3 were prepared on the different substrates using hydrothermal method: Ti/TiO2 nanotubes, Ti foil, FTO and FTO/TiO2. Materials were characterized using scanning electron microscopy, XRD, Raman, UV-Vis, and X-ray photoelectron spectroscopy and tested as photoanodes for water oxidation under illumination. The formation of heterojunction on the TiO2 nanotubes increases photocurrent of water oxidation at 0.7 V vs. RHE to over 520 μA/cm2, while Ti/Ti-Fe2O3/In2O3, FTO/Ti-Fe2O3/In2O3, and FTO/TiO2/Ti-Fe2O3/In2O3 exhibit 130, 31 and 152 μA/cm2, respectively. Thus, the work indicates that the presence of TiO2 in the form of nanotubes as a substrate increases the efficiency of photocurrent generation.
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Authors (6)
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Anna Ilnicka
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
JOURNAL OF ALLOYS AND COMPOUNDS
no. 960,
ISSN: 0925-8388 - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Szkoda M., Ilnicka A., Zarach Z., Roda D., Nowak A., Trzciński K.: Ti-Fe2O3/In2O3 as photoactive material: The role of the substrate in photoelectrochemical water oxidation// JOURNAL OF ALLOYS AND COMPOUNDS -Vol. 960, (2023), s.170924-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.jallcom.2023.170924
- Sources of funding:
-
- Free publication
- Verified by:
- Gdańsk University of Technology
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