Photocatalytic performance of Ag-TiO<sub>2</sub> micro/nanostructures fabricated by femtosecond laser

LI Yue; WANG Yan

doi:10.7510/jgjs.issn.1001-3806.2022.02.003

LASER TECHNOLOGY > 2022 > 46(2): 163-168. > DOI: 10.7510/jgjs.issn.1001-3806.2022.02.003

LI Yue, WANG Yan. Photocatalytic performance of Ag-TiO₂ micro/nanostructures fabricated by femtosecond laser[J]. LASER TECHNOLOGY, 2022, 46(2): 163-168. DOI: 10.7510/jgjs.issn.1001-3806.2022.02.003

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Photocatalytic performance of Ag-TiO₂ micro/nanostructures fabricated by femtosecond laser

LI Yue,
WANG Yan^,

Key Laboratory of Advanced Structural Materials of Ministry of Education, Changchun University of Technology, Changchun 220103, China

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Received Date: February 09, 2021
Revised Date: April 24, 2021
Published Date: March 24, 2022

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Abstract

Abstract

To improve the catalytic effect of titanium dioxide under solar light, a silver film was deposited on the titanium surface by the vacuum evaporation method, and a femtosecond laser was used for the fabrication of the micro/nanostructured titanium dioxide and the incorporation of silver particles simultaneously. The results show that the photocatalytic efficiency of the Ag-TiO₂ for removal of methylene blue is as high as 70% under simulated sunlight for 300min, which is 1.5 times of the photocatalytic efficiency of structured TiO₂. This method based on direct processing of bulk materials can increase the specific surface area and solve the problems of traditional titanium dioxide's recycling. Therefore, this technology shows high potential in the fabrication of environment-friendly titanium dioxide photocatalyst with high efficiency and large-scale and rapid production in factories.
- laser technique,
- Ag-TiO₂,
- laser surface modification,
- photocatalytic,
- micro/nanofabrication

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Photocatalytic performance of Ag-TiO₂ micro/nanostructures fabricated by femtosecond laser

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Photocatalytic performance of Ag-TiO₂ micro/nanostructures fabricated by femtosecond laser