Applied and Computational Engineering

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Proceedings of the 3rd International Conference on Materials Chemistry and Environmental Engineering (CONF-MCEE 2023), Part II

Series Vol. 7 , 21 July 2023

Open Access | Article

Preparation and photocatalytic application of nonmetallic doped TiO2 films with narrow band gap

Chenglong Sun * 1
1 Ocean University of China

* Author to whom correspondence should be addressed.

Applied and Computational Engineering, Vol. 7, 800-805
Published 21 July 2023. © 2023 The Author(s). Published by EWA Publishing
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Citation Chenglong Sun. Preparation and photocatalytic application of nonmetallic doped TiO2 films with narrow band gap. ACE (2023) Vol. 7: 800-805. DOI: 10.54254/2755-2721/7/20230516.


TiO2 thin film has become a widely used photocatalyst due to its stable chemical properties, suitable edge position, non-toxicity and low cost, and the film structure is conducive to recycling and loading. However, because the band gap of titanium dioxide is relatively wide, visible light is difficult to be utilized, which also limit the utilization of TiO2. In recent years, non-metallic doping has been proven to be an extraordinarily efficient methodologies to reduce band gap and improve photocatalytic efficiency of TiO2 films. In this paper, the basic principle of photocatalysis and the principle of reducing band gap by doping inorganic non-metallic elements are briefly introduced, and the preparation methods of N, C and B inorganic non-metallic elements doped TiO2 films are reviewed, as well as their functions on reducing band gap of TiO2. Finally, the research status of inorganic non-metallic element doped TiO2 thin film in photodecomposition of water and organic decomposition in catalytic solution was introduced.


titanium dioxide, film, non-metal doping, photocatalysis


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The datasets used and/or analyzed during the current study will be available from the authors upon reasonable request.

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Volume Title
Proceedings of the 3rd International Conference on Materials Chemistry and Environmental Engineering (CONF-MCEE 2023), Part II
ISBN (Print)
ISBN (Online)
Published Date
21 July 2023
Applied and Computational Engineering
ISSN (Print)
ISSN (Online)
© 2023 The Author(s)
Open Access
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

Copyright © 2023 EWA Publishing. Unless Otherwise Stated