Radial TiO<sub>2</sub> Nanorod-Based Mesocrystals: Synthesis, Characterization, and Applications
Radial TiO<sub>2</sub> nanorod-based mesocrystals (TiO<sub>2</sub>-NR MCs) or so-called “sea-urchin-like microspheres” possess not only attractive appearance but also excellent potential as photocatalyst and electrode materials. As a new type of TiO<sub>2</sub>-NR...
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| Autores principales: | , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
MDPI AG
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/107df0ffeb4a471daae402c387d880b4 |
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| Sumario: | Radial TiO<sub>2</sub> nanorod-based mesocrystals (TiO<sub>2</sub>-NR MCs) or so-called “sea-urchin-like microspheres” possess not only attractive appearance but also excellent potential as photocatalyst and electrode materials. As a new type of TiO<sub>2</sub>-NR MCs, we have recently developed a radial heteromesocrystal photocatalyst consisting of SnO<sub>2</sub>(head) and rutile TiO<sub>2</sub> nanorods(tail) (TiO<sub>2</sub>-NR//SnO<sub>2</sub> HEMCs, symbol “//” denotes heteroepitaxial junction) with the SnO<sub>2</sub> head oriented in the central direction in a series of the studies on the nanohybrid photocatalysts with atomically commensurate junctions. This review article reports the fundamentals of TiO<sub>2</sub>-NR MCs and the applications to photocatalysts and electrodes. Firstly, the synthesis and characterization of TiO<sub>2</sub>-NR//SnO<sub>2</sub> HEMCs is described. Secondly, the photocatalytic activity of recent TiO<sub>2</sub>-NR MCs and the photocatalytic action mechanism are discussed. Thirdly, the applications of TiO<sub>2</sub>-NR MCs and the analogs to the electrodes of solar cells and lithium-ion batteries are considered. Finally, we summarize the conclusions with the possible future subjects. |
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