Radial TiO2 Nanorod-Based Mesocrystals: Synthesis, Characterization, and Applications

Radial TiO2 nanorod-based mesocrystals (TiO2-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 TiO2-NR...

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Autores principales:	Atsunobu Akita, Hiroaki Tada
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	TiO<sub>2</sub>-based mesocrystals homomesocrystals heteromesocrystals photocatalysts oxygen reduction reaction electrodes Chemical technology TP1-1185 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/107df0ffeb4a471daae402c387d880b4
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spelling	oai:doaj.org-article:107df0ffeb4a471daae402c387d880b42021-11-25T17:05:35ZRadial TiO<sub>2</sub> Nanorod-Based Mesocrystals: Synthesis, Characterization, and Applications10.3390/catal111112982073-4344https://doaj.org/article/107df0ffeb4a471daae402c387d880b42021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4344/11/11/1298https://doaj.org/toc/2073-4344Radial 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.Atsunobu AkitaHiroaki TadaMDPI AGarticleTiO<sub>2</sub>-based mesocrystalshomomesocrystalsheteromesocrystalsphotocatalystsoxygen reduction reactionelectrodesChemical technologyTP1-1185ChemistryQD1-999ENCatalysts, Vol 11, Iss 1298, p 1298 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	TiO<sub>2</sub>-based mesocrystals homomesocrystals heteromesocrystals photocatalysts oxygen reduction reaction electrodes Chemical technology TP1-1185 Chemistry QD1-999
spellingShingle	TiO<sub>2</sub>-based mesocrystals homomesocrystals heteromesocrystals photocatalysts oxygen reduction reaction electrodes Chemical technology TP1-1185 Chemistry QD1-999 Atsunobu Akita Hiroaki Tada Radial TiO<sub>2</sub> Nanorod-Based Mesocrystals: Synthesis, Characterization, and Applications
description	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.
format	article
author	Atsunobu Akita Hiroaki Tada
author_facet	Atsunobu Akita Hiroaki Tada
author_sort	Atsunobu Akita
title	Radial TiO<sub>2</sub> Nanorod-Based Mesocrystals: Synthesis, Characterization, and Applications
title_short	Radial TiO<sub>2</sub> Nanorod-Based Mesocrystals: Synthesis, Characterization, and Applications
title_full	Radial TiO<sub>2</sub> Nanorod-Based Mesocrystals: Synthesis, Characterization, and Applications
title_fullStr	Radial TiO<sub>2</sub> Nanorod-Based Mesocrystals: Synthesis, Characterization, and Applications
title_full_unstemmed	Radial TiO<sub>2</sub> Nanorod-Based Mesocrystals: Synthesis, Characterization, and Applications
title_sort	radial tio<sub>2</sub> nanorod-based mesocrystals: synthesis, characterization, and applications
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/107df0ffeb4a471daae402c387d880b4
work_keys_str_mv	AT atsunobuakita radialtiosub2subnanorodbasedmesocrystalssynthesischaracterizationandapplications AT hiroakitada radialtiosub2subnanorodbasedmesocrystalssynthesischaracterizationandapplications
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Radial TiO<sub>2</sub> Nanorod-Based Mesocrystals: Synthesis, Characterization, and Applications

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