Preparation and Photocatalytic Properties of Visible-Light-Driven BiVO4/attapulgite Composite

Jin Zhang; Yu Xin Sun

doi:10.4028/www.scientific.net/AMR.864-867.601

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 864-867Preparation and Photocatalytic Properties of...

Preparation and Photocatalytic Properties of Visible-Light-Driven BiVO₄/attapulgite Composite

Abstract:

A novel attapulgite clay-based composite (BiVO₄/attapulgite) was successfully prepared as a heterogeneous photocatalyst for degradation of rhodamine B (RhB) dye solution under visible light irradiation. The as-prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and microanalysis by energy dispersive spectrometry (EDS), and UV-visible diffuse reflectance spectra (DRS). The results showed that monoclinic BiVO₄ particles were loaded successfully on to the surface of attapulgite fibers and were widely dispersed. The DRS spectrum reveals that the BiVO₄/attapulgite composite had much stronger absorption in the visible light range of 420-800 nm. Correspondingly, the BiVO₄/attapulgite composite showed significantly higher activity in degrading RhB solution under visible-light irradiation compared to that of pure BiVO₄.

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Periodical:

Advanced Materials Research (Volumes 864-867)

Pages:

601-604

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.864-867.601

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Online since:

December 2013

Authors:

Jin Zhang, Yu Xin Sun

Keywords:

Attapulgite, BiVO₄, Composite, Degradation, Visible-Light-Driven

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