One-step synthesis of hierarchically porous hybrid TiO2 hollow spheres with high photocatalytic activity
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- 作者：Ruiping Liu ; Feng Ren ; Jinlin Yang ; Weiming Su…
- 关键词：titania ; hybrid composite ; hollow spheres ; photocatalytic property
- 刊名：Frontiers of Materials Science
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：10
- 期：1
- 页码：15-22
- 全文大小：1,274 KB
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Feng Ren (1)
Jinlin Yang (1)
Weiming Su (1)
Zhiming Sun (2)
Lei Zhang (3)
Chang-an Wang (4)
1. Department of Materials Science and Engineering, China University of Mining & Technology (Beijing), Beijing, 100083, China
2. School of Chemical & Environmental Engineering, China University of Mining & Technology (Beijing), Beijing, 100083, China
3. Department of Mechanical Engineering, University of Alaska Fairbanks, PO Box 755905, Fairbanks, AK, 99775, USA
4. School of Materials Science and Engineering, State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing, 100084, China - 刊物类别：Chemistry and Materials Science
- 刊物主题：Materials Science
Chemistry
Chinese Library of Science - 出版者：Higher Education Press, co-published with Springer-Verlag GmbH
- ISSN：2095-0268
文摘
Hierarchically porous hybrid TiO2 hollow spheres were solvothermally synthesized successfully by using tetrabutyl titanate as titanium precursor and hydrated metal sulfates as soft templates. The as-prepared TiO2 spheres with hierarchically pore structures and high specific surface area and pore volume consisted of highly crystallized anatase TiO2 nanocrystals hybridized with a small amount of metal oxide from the hydrated sulfate. The proposed hydrated-sulfate assisted solvothermal (HAS) synthesis strategy was demonstrated to be widely applicable to various systems. Evaluation of the hybrid TiO2 hollow spheres for the photo-decomposition of methyl orange (MO) under visible-light irradiation revealed that they exhibited excellent photocatalytic activity and durability. Keywords titania hybrid composite hollow spheres photocatalytic property