Synthesis and visible light photocatalytic behavior of WO3 (core)/Bi2WO6 (shell)

He, Guohua; He, Gang-Ling; Li, An-Jie; Li, Xin; Wang, Xianju; Fang, Yueping; Xu, Yuehua

doi:10.1016/j.molcata.2014.01.022

Cited by 77 publications

(16 citation statements)

References 41 publications

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“…The absorption edges of InVO 4 /BiVO 4 composite samples were shifted to 540 nm when the mole ratio of InVO 4 increased to 0.8. It is suggested that a partial interfacial charge transfer between InVO 4 and BiVO 4 was probably responsible for visible light absorption [33]. The band gap energy can be obtained by plotting [F(R ?…”

Section: Morphology Analysismentioning

confidence: 99%

Highly efficient visible light-induced photocatalytic degradation of methylene blue over InVO4/BiVO4 composite photocatalyst

Lamdab

Wetchakun²,

Phanichphant³

et al. 2015

J Mater Sci

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A highly efficient and visible light responsive photocatalyst was developed by indium vanadate (InVO 4 )/ bismuth vanadate (BiVO 4 ) composite photocatalyst. The samples were characterized by X-ray diffraction (XRD), Brunauer-Emmett-Teller, scanning electron microscopy, transmission electron microscopy (TEM), UV-Vis diffuse reflectance spectra, XPS, zeta potential, and photoluminescence techniques. The XRD, TEM, and XPS results indicated the prepared sample was actually a two-phase composite: InVO 4 and BiVO 4 . Photocatalytic activities of all catalysts were evaluated for the degradation of methylene blue in aqueous solution under visible light irradiation. The highest activity was obtained in the InVO 4 /BiVO 4 composite using 0.8:0.2 mol ratio of InVO 4 :BiVO 4 . On the basis of the calculated energy band positions, the mechanism of enhanced photocatalytic activity was discussed.

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Section: Morphology Analysismentioning

confidence: 99%

Highly efficient visible light-induced photocatalytic degradation of methylene blue over InVO4/BiVO4 composite photocatalyst

Lamdab

Wetchakun²,

Phanichphant³

et al. 2015

J Mater Sci

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“…The peaks located at 845, 570, 440 cm -1 is supposedly the Bi-O band which appeared when calcined at 600°C in both Fig. 2c, d [31,32]. The peaks at around 821, 729 cm -1 belong to the O-W-O and W-O band [33].…”

Section: Characterization Of the Microbeltsmentioning

confidence: 82%

Facile fabrication of In2O3/Bi2WO6 heterostructured microbelts with enhanced photocatalytic activity

Liu

Wang

et al. 2014

J Sol-Gel Sci Technol

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The In 2 O 3 /Bi 2 WO 6 heterostructured microbelts with the diameters around 500 nm-1 lm have been fabricated by electrospinning combined with the annealing process. The as-prepared microbelts were characterized by thermogravimetric and differential scanning calorimetry, fourier transform infrared spectroscope, X-ray diffraction, scanning electron microscope and transmission electron microscope. It was found that the In 2 O 3 /Bi 2 WO 6 microbelts reported here showed the well-defined morphology. Additionally, In 2 O 3 /Bi 2 WO 6 heterostructured microbelts exhibit the enhanced photocatalytic activity under the simulated sunlight irradiation compared with the pure Bi 2 WO 6 microbelts.

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“…Photocatalytic activities of the as-prepared photocatalysts were evaluated for photocatalytic oxidation of rhodamine B (RhB) by visible light irradiation using a 4 W white-luminescence light emitting diode (LED) lamp [24]. In a typical experiment, as-prepared FeWO 4 -RGO powder (0.2 g) was added into 250 mL of RhB aqueous solution (5 mg/L).…”

Section: Determination Of Photocatalytic Activitymentioning

confidence: 99%

Hydrothermal synthesis of FeWO4-graphene composites and their photocatalytic activities under visible light

Chen

Liu

et al. 2015

Applied Surface Science

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Synthesis and visible light photocatalytic behavior of WO3 (core)/Bi2WO6 (shell)

Cited by 77 publications

References 41 publications

Highly efficient visible light-induced photocatalytic degradation of methylene blue over InVO4/BiVO4 composite photocatalyst

Highly efficient visible light-induced photocatalytic degradation of methylene blue over InVO4/BiVO4 composite photocatalyst

Facile fabrication of In2O3/Bi2WO6 heterostructured microbelts with enhanced photocatalytic activity

Hydrothermal synthesis of FeWO4-graphene composites and their photocatalytic activities under visible light

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