期刊
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN
卷 117, 期 1363, 页码 347-350出版社
CERAMIC SOC JAPAN-NIPPON SERAMIKKUSU KYOKAI
DOI: 10.2109/jcersj2.117.347
关键词
TiO2(B); Water-soluble titanium complex; Hydrothermal synthesis; Photocatalyst; Titanium dioxide
资金
- Grant in Aid for Science Research [18750177, 18206069]
- Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT)
- Grants-in-Aid for Scientific Research [18206069, 18750177] Funding Source: KAKEN
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 ([Ti-4(C2H2O3)(4)(C2H3O3)(2)(O-2)(4)O-2](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. (C) 2009 The Ceramic Society of Japan. All rights reserved.
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