Effects of ultrasonic irradiation on preparation of titanium dioxide photocatalyst by anodic oxidation method

Yosuke Komai; Yoshiteru Mizukoshi; Kenji Okitsu; Rokuro Nishimura; Naoya Masahashi

doi:10.2320/matertrans.MAW200912

Effects of ultrasonic irradiation on preparation of titanium dioxide photocatalyst by anodic oxidation method

Yosuke Komai, Yoshiteru Mizukoshi, Kenji Okitsu, Rokuro Nishimura, Naoya Masahashi

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Titanium dioxide (TiO₂ photocatalyst was fabricated by anodic oxidation on pure titanium in an electrolyte of a sulfuric acid, and effect of ultrasonic irradiation during anodic oxidation was explored. It was found that ultrasonic irradiation increased crystallinity of the anodic oxide. The hydrophilicity of the as-anodized oxide was improved by applying ultrasonic irradiation, and it is similar to that of the annealed oxide without applying ultrasonic irradiation. In contrast, the photoactivity of the as-anodized oxide was not altered by applying ultrasonic irradiation.

Original language	English
Pages (from-to)	2182-2186
Number of pages	5
Journal	Materials Transactions
Volume	50
Issue number	9
DOIs	https://doi.org/10.2320/matertrans.MAW200912
Publication status	Published - 2009 Sep

Keywords

Anodic oxidation
Photocatalysis
Titanium oxide
Ultrasonic irradiation

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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abstract = "Titanium dioxide (TiO2 photocatalyst was fabricated by anodic oxidation on pure titanium in an electrolyte of a sulfuric acid, and effect of ultrasonic irradiation during anodic oxidation was explored. It was found that ultrasonic irradiation increased crystallinity of the anodic oxide. The hydrophilicity of the as-anodized oxide was improved by applying ultrasonic irradiation, and it is similar to that of the annealed oxide without applying ultrasonic irradiation. In contrast, the photoactivity of the as-anodized oxide was not altered by applying ultrasonic irradiation.",

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author = "Yosuke Komai and Yoshiteru Mizukoshi and Kenji Okitsu and Rokuro Nishimura and Naoya Masahashi",

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T1 - Effects of ultrasonic irradiation on preparation of titanium dioxide photocatalyst by anodic oxidation method

AU - Komai, Yosuke

AU - Mizukoshi, Yoshiteru

AU - Okitsu, Kenji

AU - Nishimura, Rokuro

AU - Masahashi, Naoya

PY - 2009/9

Y1 - 2009/9

N2 - Titanium dioxide (TiO2 photocatalyst was fabricated by anodic oxidation on pure titanium in an electrolyte of a sulfuric acid, and effect of ultrasonic irradiation during anodic oxidation was explored. It was found that ultrasonic irradiation increased crystallinity of the anodic oxide. The hydrophilicity of the as-anodized oxide was improved by applying ultrasonic irradiation, and it is similar to that of the annealed oxide without applying ultrasonic irradiation. In contrast, the photoactivity of the as-anodized oxide was not altered by applying ultrasonic irradiation.

AB - Titanium dioxide (TiO2 photocatalyst was fabricated by anodic oxidation on pure titanium in an electrolyte of a sulfuric acid, and effect of ultrasonic irradiation during anodic oxidation was explored. It was found that ultrasonic irradiation increased crystallinity of the anodic oxide. The hydrophilicity of the as-anodized oxide was improved by applying ultrasonic irradiation, and it is similar to that of the annealed oxide without applying ultrasonic irradiation. In contrast, the photoactivity of the as-anodized oxide was not altered by applying ultrasonic irradiation.

KW - Anodic oxidation

KW - Photocatalysis

KW - Titanium oxide

KW - Ultrasonic irradiation

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