Please use this identifier to cite or link to this item: https://doi.org/10.1021/jp408322g
Title: Uniform mesoporous Anatase-brookite biphase TiO2 hollow spheres with high crystallinity via ostwald ripening
Authors: Zhao, Y.
Pan, F.
Li, H.
Zhao, D.
Liu, L.
Xu, G.Q. 
Chen, W. 
Issue Date: 2013
Citation: Zhao, Y., Pan, F., Li, H., Zhao, D., Liu, L., Xu, G.Q., Chen, W. (2013). Uniform mesoporous Anatase-brookite biphase TiO2 hollow spheres with high crystallinity via ostwald ripening. Journal of Physical Chemistry C 117 (42) : 21718-21723. ScholarBank@NUS Repository. https://doi.org/10.1021/jp408322g
Abstract: With biocompatible oxalic acid as chelating agent, uniform titania hollow spheres were solvothermally obtained. The hollow spheres are composed of 23% brookite phase and 77% anatase phase with good crystallinity. These biphase hollow spheres, possessing large surface area and mesoporousity, form via a typical asymmetric Ostwald ripening mechanism. During this facile process, the oxalic acid plays essential roles in producing the hollow sphere structure, both maintaining the uniformity of the spherical structure and transferring titanium ions during the Ostwald ripening process. © 2013 American Chemical Society.
Source Title: Journal of Physical Chemistry C
URI: http://scholarbank.nus.edu.sg/handle/10635/95377
ISSN: 19327447
DOI: 10.1021/jp408322g
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