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He J.,Wuhan University of Technology | He J.,Guilin University of Technology | Wang W.,Wuhan University of Technology | Zhang L.,Wuhan University of Technology | And 3 more authors.
Journal Wuhan University of Technology, Materials Science Edition | Year: 2013

Nest-like and multilayered-disk-like Bi2WO6 photocatalysts were synthesized through a hydrothermal strategy using thiourea and acetic acid as complexing agents. The nest-like Bi2WO6 showed excellent visible-light-driven photocatalytic performance, and it could decompose rhodamine B(RhB) within 100 minutes. This excellent performance resulted from its special microstructure and the relatively large surface area. © Wuhan University of Technology and SpringerVerlag Berlin Heidelberg 2013. Source


He J.,Wuhan University of Technology | He J.,Guilin University of Technology | Wang W.,Wuhan University of Technology | Long F.,Guilin University of Technology | And 3 more authors.
Materials Science and Engineering B: Solid-State Materials for Advanced Technology | Year: 2012

Hierarchical rose-like Bi 2WO 6 photocatalyst was successfully synthesized through a simple hydrothermal route using thiourea and acetic acid as complexing agents. The as-synthesized product was determined as pure orthorhombic Bi 2WO 6 based on the results of X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) measurements. The photocatalyst had an average diameter of 2-3 μm and it was constructed by many nanoflakes. The surfaces of these nanoflakes were coarse and had many nanocrystals on them. The hierarchical rose-like structure was formed through a typical hierarchical assembly process with the synergistic action of acetic acid and thiourea. The photocatalyst showed excellent visible-light-driven photocatalytic performance, it could decompose rhodamine B(RhB) within 50 min. This excellent performance resulted from its special microstructure and the relatively large surface area. © 2012 Elsevier B.V. Source


Long F.,Guilin University of Technology | He J.,Guilin University of Technology | Zhang M.,Guilin University of Technology | Wu X.,Guilin University of Technology | And 3 more authors.
Journal of Materials Science | Year: 2014

Co-doped FeS2 composites were successfully synthesized through a facile microwave-hydrothermal process. The products were characterized by X-ray diffraction, X-ray Photoelectron Spectroscopy, field emission scanning electron microscope, UV–Vis diffuse reflectance spectra, and Raman spectroscopy. Cobalt doping didn’t change the basic structure of pyrite FeS2. But the spherical FeS2 product changed into some aggregated laminar particles. The Co-doped FeS2 product exhibited higher absorption in visible-light region and the photocatalytic performance was greatly enhanced. The Co0.333Fe0.667S2 product could decompose 48.9 % methylene blue within 210 min, which was 36.5 % higher than that of the pristine FeS2. © 2014, Springer Science+Business Media New York. Source

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