Hydrothermal synthesis of rutile TiO2 nanotubes film on Ti foil for photocatalytic degradation

School of Mechanical Engineering, Chengdu University, Chengdu, 610106, China; Y. Sun; J. Qian; Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China; Q. R. Zhao; School of Mechanical Engineering, Chengdu University, Chengdu, 610106, China; S. S. Yang; School of Mechanical Engineering, Chengdu University, Chengdu, 610106, China; Y. Yang; School of Mechanical Engineering, Chengdu University, Chengdu, 610106, China; Q. Zhao; School of Chemical Engineering, Sichuan University, Chengdu, 610065, China

doi:10.15251/djnb.2021.162.579

journal article·2021Open access

Hydrothermal synthesis of rutile TiO2 nanotubes film on Ti foil for photocatalytic degradation

School of Mechanical Engineering, Chengdu University, Chengdu, 610106, China, Y. Sun, J. Qian, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China, Q. R. Zhao, School of Mechanical Engineering, Chengdu University, Chengdu, 610106, China, S. S. Yang, School of Mechanical Engineering, Chengdu University, Chengdu, 610106, China, Y. Yang, School of Mechanical Engineering, Chengdu University, Chengdu, 610106, China, Q. Zhao, School of Chemical Engineering, Sichuan University, Chengdu, 610065, China

Digest Journal of Nanomaterials and Biostructures· Volume 16· Issue 2

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Source abstract

Abstract

One-dimensional TiO2 nanotubes film was synthesized on the Ti foil oxidized at 800℃ by hydrothermal method in a highly alkaline solution. The crystal structure, morphology and chemical state of the samples were characterized by X-ray diffraction, scanning electron microscope, transmission electron microscope and X-ray photoelectron spectroscopy. The result indicates that the TiO2 nanotubes film still remains rutile phase structure after hydrothermal treatment. The growth mechanism of TiO2 nanotubes is also discussed that includes dissolution, nucleation and growing process. The photocatalytic activity of TiO2 film is remarkably improved after hydrothermal reaction. Due to the one-dimensional tubular structure, TiO2 nanotubes film hydrothermally synthesized for 6 hours displays the highest photocatalytic degradation rate of methylene blue

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Research context

Nanomaterials Catalysis & surfaces

OpenAlex topics: TiO2 Photocatalysis and Solar Cells

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