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Issue 34, 2009
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A practical visible-light-driven Bi2WO6 nanofibrous mat prepared by electrospinning

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Abstract

An electrospinning technique was first developed to fabricate Bi2WO6 nanofibrous mat with excellent photoactivity under visible light. The nanofibers are made of single-crystalline Bi2WO6nanoparticles about 100 nm in size. The diameters of the nanofibers can be controlled by simply tuning the weight ratio of Bi2WO6 to poly(vinyl pyrrolidone) (PVP) (R). With the value of R increasing, the average diameter of the nanofibers was decreased. In addition to the favorable recycling characteristics, the mat with R = 2 exhibits higher photocatalytic activity in the decomposition of acetaldehyde (CH3CHO) and aqueous ammonia than that of the sample prepared by solid-state reaction (SSR) and the nanoparticles. Such an advantageous electrospinning route, which not only brings effective improvement in the photocatalytic activity of catalysts but also provides a solution to the separation problem for conventional catalysts that are small in size, is worth considering for the preparation of other photocatalysts.

Graphical abstract: A practical visible-light-driven Bi2WO6 nanofibrous mat prepared by electrospinning

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Publication details

The article was received on 20 Apr 2009, accepted on 09 Jun 2009 and first published on 07 Jul 2009


Article type: Paper
DOI: 10.1039/B907849E
Citation: J. Mater. Chem., 2009,19, 6213-6218
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    A practical visible-light-driven Bi2WO6 nanofibrous mat prepared by electrospinning

    M. Shang, W. Wang, J. Ren, S. Sun, L. Wang and L. Zhang, J. Mater. Chem., 2009, 19, 6213
    DOI: 10.1039/B907849E

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