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Hydrothermal Synthesis of Pseudocubic Rutile-Type Titania Particles

Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
School of Engineering, Tohoku University, 6-6-11 Aramakiazaaoba, Aoba-ku, Sendai 980-8579, Japan
Author to whom correspondence should be addressed.
Present address: Institute of Materials and Systems for Sustainability, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan.
Ceramics 2019, 2(1), 56-63;
Received: 21 December 2018 / Revised: 9 January 2019 / Accepted: 15 January 2019 / Published: 18 January 2019
(This article belongs to the Special Issue Novel Processing Routes of Ceramics for Functional Applications)
PDF [1926 KB, uploaded 18 January 2019]


The functional properties of materials depend strongly on their morphologies. Here, the hydrothermal synthesis of rutile-type titania crystals with pseudocubic shapes using a water-soluble titanium complex is reported. This approach does not require extra additives or doping. Transmission electron microscopy and selected-area electron diffraction analysis revealed that they exposed high-index facets, such as {121}, and high-energy facets, such as {001}, which do not usually appear in rutile crystal. In terms of the formation of steps and kinks on pseudocubic rutile and coexisting anatase and brookite nanoparticles, the adsorption of nanoparticles might inhibit crystal growth, resulting in the formation of crystals with uncommon shapes exposing high-index and high-energy facets. View Full-Text
Keywords: titania; hydrothermal; morphological control; high-index facet titania; hydrothermal; morphological control; high-index facet

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Kobayashi, M.; Kato, H.; Miyazaki, T.; Kakihana, M. Hydrothermal Synthesis of Pseudocubic Rutile-Type Titania Particles. Ceramics 2019, 2, 56-63.

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