One-step synthesis of hierarchically porous hybrid TiO2 hollow spheres with high photocatalytic activity

Ruiping LIU , Feng REN , Jinlin YANG , Weiming SU , Zhiming SUN , Lei ZHANG , Chang-an WANG

Front. Mater. Sci. ›› 2016, Vol. 10 ›› Issue (1) : 15 -22.

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Front. Mater. Sci. ›› 2016, Vol. 10 ›› Issue (1) : 15 -22. DOI: 10.1007/s11706-016-0323-2
RESEARCH ARTICLE
RESEARCH ARTICLE

One-step synthesis of hierarchically porous hybrid TiO2 hollow spheres with high photocatalytic activity

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Abstract

Hierarchically porous hybrid TiO2 hollow spheres were solvothermally synthesized successfully by using tetrabutyl titanate as titanium precursor and hydrated metal sulfates as soft templates. The as-prepared TiO2 spheres with hierarchically pore structures and high specific surface area and pore volume consisted of highly crystallized anatase TiO2 nanocrystals hybridized with a small amount of metal oxide from the hydrated sulfate. The proposed hydrated-sulfate assisted solvothermal (HAS) synthesis strategy was demonstrated to be widely applicable to various systems. Evaluation of the hybrid TiO2 hollow spheres for the photo-decomposition of methyl orange (MO) under visible-light irradiation revealed that they exhibited excellent photocatalytic activity and durability.

Keywords

titania / hybrid composite / hollow spheres / photocatalytic property

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Ruiping LIU, Feng REN, Jinlin YANG, Weiming SU, Zhiming SUN, Lei ZHANG, Chang-an WANG. One-step synthesis of hierarchically porous hybrid TiO2 hollow spheres with high photocatalytic activity. Front. Mater. Sci., 2016, 10(1): 15-22 DOI:10.1007/s11706-016-0323-2

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