| Issue |
MATEC Web Conf.
Volume 376, 2023
Conference on Advanced Materials for Engineering and Functional Purposes (AMEFP 2022)
|
|
|---|---|---|
| Article Number | 01011 | |
| Number of page(s) | 7 | |
| Section | Advanced Materials Technologies and Application | |
| DOI | https://doi.org/10.1051/matecconf/202337601011 | |
| Published online | 13 April 2023 | |
Photocatalytic reduction of CO2 over TiO2 nanowires catalyst
1 National Research University “MIET”, 124498 Moscow, Zelenograd, Russia
2 SMC “Technological centre”, 124498 Moscow, Zelenograd, Russia
3 Institute of Nanotechnology of Microelectronics of the Russian Academy of Sciences, 115487 Moscow, Russia
* Corresponding author: boggger4@gmail.com
TiO2 is one of the most common photocatalysts at the moment. One-dimensional TiO2, which has a high specific surface area, is of particular interest. The properties of such nanowires will largely depend on the phase composition, which affects the width of the optical band gap. This paper presents the results of a study of the photocatalytic activity of TiO2 nanowires depending on the phase composition using the reduction of CO2 to methane and methanol as an example. The formation of TiO2 nanowires was carried out using a hydrothermal synthesis method from a commercial TiO2 powder. After synthesis, the nanowires were thermally treated in air to obtain nanowires with different phase compositions. The morphology and phase composition of TiO2 nanowires were studied. The resulting nanowires had a size of about 8 μm and a diameter of about 330 nm.
© The Authors, published by EDP Sciences, 2023
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