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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 11/2015

01.11.2015

Controlled preparation of TiO2 hollow microspheres constructed by crosslinked nanochains with high photocatalytic activity

verfasst von: Haojie Song, Shengsheng You, Tao Chen, Xiaohua Jia

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 11/2015

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Abstract

TiO2 hollow microspheres were successfully synthesized via a controlled hydrolysis reaction, which involved the deposition of an inorganic coating of TiO2 on the surface of carbon spheres and subsequent removal of carbon spheres by calcination in air. The as-prepared TiO2 hollow microspheres with an average diameter of 200 nm presented a novel morphology, which was constructed by closely crosslinked TiO2 nanochains. The morphology of the hollow sphere can be controlled by varying the concentration of TiCl3 solution. A possible formation mechanism was also proposed. The photo-degradation of rhodamine B (RhB) aqueous solution showed that TiO2 hollow microspheres exhibited higher photocatalytic activity than that of TiO2 nanoparticles. The enhanced photocatalytic activity of the as-prepared TiO2 microspheres here could result from their hollow structures assembled by TiO2 nanochains and large light-harvesting efficiency.
Vorheriger Artikel Stable piezoelectric property of modified BiFeO3–BaTiO3 lead-free piezoceramics
Nächster Artikel Unexpected ferromagnetism in n-type polycrystalline K-doped ZnO films prepared by RF-magnetron sputtering

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Metadaten
Titel
Controlled preparation of TiO2 hollow microspheres constructed by crosslinked nanochains with high photocatalytic activity
verfasst von
Haojie Song
Shengsheng You
Tao Chen
Xiaohua Jia
Publikationsdatum
01.11.2015
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 11/2015
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-015-3513-2

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