Photocatalytic activity of nanocrystalline TiO2(B) synthesized from titanium glycolate complex by hydrothermal method

Kazuhiro Yamamoto; Hironori Shimoita; Koji Tomita; Kazumi Fujita; Makoto Kobayashi; Valery Petrykin; Masato Kakihana

doi:10.2109/jcersj2.117.347

Photocatalytic activity of nanocrystalline TiO₂(B) synthesized from titanium glycolate complex by hydrothermal method

Kazuhiro Yamamoto, Hironori Shimoita, Koji Tomita, Kazumi Fujita, Makoto Kobayashi, Valery Petrykin, Masato Kakihana

Center for Exploration of New Inorganic Materials

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

15 Citations (Scopus)

Abstract

The metastable phase of TiO₂ (B), one of the polymorphs of titanium dioxide (TiO₂), was prepared by a hydrothermal treatment of a titanium glycolate complex ([Ti₄ (C₂H₂O ₃)₄(C₂H₃O₃) ₂(O₂)₄O₂]^6-) at 473 K for 1-72 h in the presence of H₂SO₄. Characterization by X-ray diffraction (XRD) and transmission electron microscopy (TEM) revealed that the obtained samples were composed of single phase TiO₂(B) and the particles had plate-like morphology. After post-synthetic hydrothermal crystal growth (PHCG) applied to the as-prepared sample, thicker plate-like shaped particles were obtained. The photocatalytic activities of the samples obtained by the hydrothermal treatment and after the subsequent PHCG were evaluated in terms of methanol decomposition.

Original language	English
Pages (from-to)	347-350
Number of pages	4
Journal	Journal of the Ceramic Society of Japan
Volume	117
Issue number	1363
DOIs	https://doi.org/10.2109/jcersj2.117.347
Publication status	Published - 2009 Mar

Keywords

Hydrothermal synthesis
Photocatalyst
Titanium dioxide
Water-soluble titanium complex

ASJC Scopus subject areas

Ceramics and Composites
Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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Photocatalytic activity of nanocrystalline TiO₂(B) synthesized from titanium glycolate complex by hydrothermal method. / Yamamoto, Kazuhiro; Shimoita, Hironori; Tomita, Koji; Fujita, Kazumi; Kobayashi, Makoto; Petrykin, Valery; Kakihana, Masato.

In: Journal of the Ceramic Society of Japan, Vol. 117, No. 1363, 03.2009, p. 347-350.

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

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abstract = "The metastable phase of TiO2 (B), one of the polymorphs of titanium dioxide (TiO2), was prepared by a hydrothermal treatment of a titanium glycolate complex ([Ti4 (C2H2O 3)4(C2H3O3) 2(O2)4O2]6-) at 473 K for 1-72 h in the presence of H2SO4. Characterization by X-ray diffraction (XRD) and transmission electron microscopy (TEM) revealed that the obtained samples were composed of single phase TiO2(B) and the particles had plate-like morphology. After post-synthetic hydrothermal crystal growth (PHCG) applied to the as-prepared sample, thicker plate-like shaped particles were obtained. The photocatalytic activities of the samples obtained by the hydrothermal treatment and after the subsequent PHCG were evaluated in terms of methanol decomposition.",

keywords = "Hydrothermal synthesis, Photocatalyst, Titanium dioxide, Water-soluble titanium complex",

author = "Kazuhiro Yamamoto and Hironori Shimoita and Koji Tomita and Kazumi Fujita and Makoto Kobayashi and Valery Petrykin and Masato Kakihana",

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doi = "10.2109/jcersj2.117.347",

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AU - Yamamoto, Kazuhiro

AU - Shimoita, Hironori

AU - Tomita, Koji

AU - Fujita, Kazumi

AU - Kobayashi, Makoto

AU - Petrykin, Valery

AU - Kakihana, Masato

PY - 2009/3

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N2 - The metastable phase of TiO2 (B), one of the polymorphs of titanium dioxide (TiO2), was prepared by a hydrothermal treatment of a titanium glycolate complex ([Ti4 (C2H2O 3)4(C2H3O3) 2(O2)4O2]6-) at 473 K for 1-72 h in the presence of H2SO4. Characterization by X-ray diffraction (XRD) and transmission electron microscopy (TEM) revealed that the obtained samples were composed of single phase TiO2(B) and the particles had plate-like morphology. After post-synthetic hydrothermal crystal growth (PHCG) applied to the as-prepared sample, thicker plate-like shaped particles were obtained. The photocatalytic activities of the samples obtained by the hydrothermal treatment and after the subsequent PHCG were evaluated in terms of methanol decomposition.

AB - The metastable phase of TiO2 (B), one of the polymorphs of titanium dioxide (TiO2), was prepared by a hydrothermal treatment of a titanium glycolate complex ([Ti4 (C2H2O 3)4(C2H3O3) 2(O2)4O2]6-) at 473 K for 1-72 h in the presence of H2SO4. Characterization by X-ray diffraction (XRD) and transmission electron microscopy (TEM) revealed that the obtained samples were composed of single phase TiO2(B) and the particles had plate-like morphology. After post-synthetic hydrothermal crystal growth (PHCG) applied to the as-prepared sample, thicker plate-like shaped particles were obtained. The photocatalytic activities of the samples obtained by the hydrothermal treatment and after the subsequent PHCG were evaluated in terms of methanol decomposition.

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KW - Photocatalyst

KW - Titanium dioxide

KW - Water-soluble titanium complex

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