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Journal of Sol-Gel Science and Technology
Erschienen in: Journal of Sol-Gel Science and Technology 1/2017

26.12.2016 | Original Paper: Nano-structured materials (particles, fibers, colloids, composites, etc.)

Mesoporous Bi2WO6 sheets synthesized via a sol–gel freeze-drying method with excellent photocatalytic performance

verfasst von: Tianyuan Han, Xing Wang, Yingchong Ma, Guolin Shao, Xiaoli Dong, Chunling Yu

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 1/2017

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Abstract

Mesoporous Bi2WO6 sheets with excellent photocatalytic performance are synthesized by a sol–gel freeze-drying method. It results in an individual mesoporous sheet structure with high surface-to-volume ratio. Meanwhile, the mesoporous Bi2WO6 sheets with high specific surface area of 36.7 m2 g−1 and pore volume of 0.07 cm3 g−1, which can give more molecule diffusion paths and reaction active sites during photocatalysis reaction. The mesoporous Bi2WO6 sheets display more excellent photocatalysis performance for degradation of Rhodamine B than that of common Bi2WO6 nanoparticles. The formation mechanism of the sheet material is discussed in detail. Furthermore, Bi2MoO6 and BiVO4 porous sheets have also been successfully prepared by the similar method. In view of its simple synthesis and predomination experimental results, this method may be widely applied to prepare for other two dimensional materials.

Graphical Abstract

https://static-content.springer.com/image/art%3A10.1007%2Fs10971-016-4270-2/MediaObjects/10971_2016_4270_Figa_HTML.gif
Vorheriger Artikel Influence of alcohol solvents on morphology of hollow silica–alumina composite spheres and their activity for hydrolytic dehydrogenation of ammonia borane
Nächster Artikel Synthesis, structural, optical and morphological properties of CdSe:Zn/CdS core–shell nanoparticles

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Metadaten
Titel
Mesoporous Bi2WO6 sheets synthesized via a sol–gel freeze-drying method with excellent photocatalytic performance
verfasst von
Tianyuan Han
Xing Wang
Yingchong Ma
Guolin Shao
Xiaoli Dong
Chunling Yu
Publikationsdatum
26.12.2016
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 1/2017
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-016-4270-2

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