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Journal of Sol-Gel Science and Technology
Erschienen in: Journal of Sol-Gel Science and Technology 2/2020

06.06.2020 | Original Paper: Sol–gel and hybrid materials for catalytic, photoelectrochemical and sensor applications

Synthesis and high photocatalytic performance of a novel hollow meso-TiO2/ZnO composite microsphere

verfasst von: Qun-Yan Li, Hai-Wei Sun, Qi Wei, Shi-Bing Sun, Jun-Guo Liu, Su-Ping Cui, Zuo-Ren Nie

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 2/2020

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Abstract

A novel hollow meso-TiO2/ZnO composite microsphere is fabricated by simple sol–gel and hydrothermal method, and could be a binary photocatalytic material. The carbon sphere is used as the hollow template for the composite material, then the meso-TiO2 used as the inner shell and the nanometer ZnO as the outer shell. The results of photocatalytic degradation for methyl orange show that the photocatalytic performance of the composite is better than that of a single photocatalyst, degradation rate is up to 96.9% after 2.5 h under UV light. Compared with meso-TiO2, the excitation wavelength of composite microspheres has moved 12 nm in the direction of visible light. The meso-TiO2/ZnO composite microsphere has higher photocatalytic performance, which is attributed to the hollow structure and the synergy of meso-TiO2 and ZnO. The hollow structure and mesoporous channel are used as the storage warehouse and transport channel of methyl orange molecule respectively.
Vorheriger Artikel Low-temperature selective catalytic reduction of NO with NH3 over Mn–Ce–Ox/TiO2: a comparison between catalyst preparation methods
Nächster Artikel Preparation of Fe3+-doped TiO2 aerogels for photocatalytic reduction of CO2 to methanol

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Metadaten
Titel
Synthesis and high photocatalytic performance of a novel hollow meso-TiO2/ZnO composite microsphere
verfasst von
Qun-Yan Li
Hai-Wei Sun
Qi Wei
Shi-Bing Sun
Jun-Guo Liu
Su-Ping Cui
Zuo-Ren Nie
Publikationsdatum
06.06.2020
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 2/2020
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-020-05326-8

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