improved photocatalytic performance of a novel fe3o4@sio2/bi2sio5 hierarchical nanostructure with magnetic recoverability

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ID: 148421
2015
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Abstract
Magnetic Fe3O4@SiO2/Bi2SiO5 composites with a novel hierarchical nanostructure were synthesized by sol-gel and hydrothermal methods and were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), and UV-visible diffuse reflectance spectroscopy (UV-vis DRS). It was found that the introduction of Fe3O4@SiO2 could turn the morphology of Bi2SiO5 from close-grained slab to hollow hierarchical architecture with fabric-structure. The Fe3O4@SiO2/Bi2SiO5 composite showed enhanced photodegradation efficiency for the degradation of reactive brilliant red dye (X-3B) in aqueous solution under simulated sunlight irradiation, as compared with that of commercial P25. In addition, the Fe3O4@SiO2/Bi2SiO5 composite exhibited good magnetic recoverability and excellent photocatalytic stability (no obvious activity loss after recycling tests).
Reference Key
zhang2015internationalimproved Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Xinxin Zhang;Xiaoli Dong;Baiyu Leng;Hongchao Ma;Xiufang Zhang
Journal construction and building materials
Year 2015
DOI
10.1155/2015/428103
URL
http://dx.doi.org/10.1155/2015/428103
Keywords
renewable energy sources

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