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Dendritic mesoporous silica–titania nanospheres with enhanced photocatalytic activities

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Abstract

A series of dendritic mesoporous silica–titania nanospheres (DMSTN) with tunable Ti/Si molar ratios (φ = 0, 0.04, 0.13, and 0.4) has been successfully prepared through a post-treatment method. These materials possess high surface areas (450–550 m2 g−1), large pore volumes (0.9–1.04 cm3 g−1) and radially oriented mesopores (9.35–10.35 nm). The photodegradation of methylene green (an organic dye) was tested using DMSTN and a commercial photocatalyst (TiO2 Degussa P25) for comparative purposes. DMSTN exhibit excellent photocatalytic performance including higher adsorption capacity and better photocatalytic degradation performance compared to P25.

Graphical abstract: Dendritic mesoporous silica–titania nanospheres with enhanced photocatalytic activities

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Publication details

The article was received on 01 Mar 2017, accepted on 05 Jul 2017 and first published on 05 Jul 2017


Article type: Paper
DOI: 10.1039/C7NJ00713B
Citation: New J. Chem., 2017, Advance Article
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    Dendritic mesoporous silica–titania nanospheres with enhanced photocatalytic activities

    C. X. C. Lin, C. Xu, Y. Yang, C. Lei, H. Zhang and C. Yu, New J. Chem., 2017, Advance Article , DOI: 10.1039/C7NJ00713B

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