Article Visible-Photocatalytic performance of TiO2 particles simply achieved by surface nitridation and coatings fabricated by electrophoretic deposition (EPD) process

Chenning Zhang SAMURAI ORCID (National Institute for Materials Science) ; Tetsuo Uchikoshi SAMURAI ORCID (National Institute for Materials Science) ; Takaya Akashi

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Chenning Zhang, Tetsuo Uchikoshi, Takaya Akashi. Visible-Photocatalytic performance of TiO2 particles simply achieved by surface nitridation and coatings fabricated by electrophoretic deposition (EPD) process. Materials Letters. 2024, 367 (), 136604. https://doi.org/10.1016/j.matlet.2024.136604

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(abstract)

Commercial P25 TiO2 particles were surface-nitrided by urea decomposition under hydrothermal treatment. Before the nitridation, the calculated bandgap energy of P25 TiO2 was about 3.28 eV, which narrowed to about 3.14 eV after the nitridation, and the absorption onset extended into the visible region. The narrowed bandgap played a role in the photocatalytic performance under visible light irradiation. A visible photocatalytic coating with controllable transparency was successfully fabricated by an electrophoretic deposition process.

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Keyword: Photocatalytic performance, TiO2, surface nitridation, electrophoretic deposition

Date published: 2024-05-07

Publisher: Elsevier BV

Journal:

  • Materials Letters (ISSN: 0167577X) vol. 367 136604

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Manuscript type: Author's version (Submitted manuscript)

MDR DOI: https://doi.org/10.48505/nims.6086

First published URL: https://doi.org/10.1016/j.matlet.2024.136604

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Updated at: 2025-12-26 15:18:06 +0900

Published on MDR: 2025-12-26 16:13:48 +0900

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