期刊
CRYSTENGCOMM
卷 11, 期 12, 页码 2677-2682出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b909191m
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资金
- External Cooperation Program of the Chinese Academy of Sciences [GJHZ200815]
- Major Basic Research Program, Ministry of Science and Technology of China [2009CB220001]
- Solar Energy Program of Chinese Academy of Sciences
- IMR SYNL-T.S. Ke Research Fellowship
- Australian Research Council [DP0666345]
- Scientific Research Foundation of East China University of Science and Technology [YD0142125]
- Pujiang Talents Programme of Science and Technology Commission of Shanghai Municipality [09PJ1402800]
Due to its specific bonds and intrinsic chemical stability and due to its capability of controllably releasing titanium species, TiB2 was chosen as a precursor for synthesizing phase tunable (rutile/anatase/brookite) titania with different morphologies (rutile nanocones, anatase bipyramids and brookite spherical nanoparticles) under hydrothermal treatment. The mechanisms of the chemical reactions involved and evolution of low-index crystal facets (001) and (100) of TiB2 during hydrothermal treatment were experimentally and theoretically studied in this work. It is demonstrated that a new synthetic pathway for titania polymorphs based on the intrinsic strong bonds of TiB2 is developed which could also be applicable to a number of other metal oxides using metal borides such as ZrB2, TaB, Nb3B4 as precursors.
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