In situ DRIFT study of photocatalytic degradation of gaseous isopropanol over BiVO4 under indoor illumination

Huang, Chao-Ming; Pan, Guan‐Ting; Peng, Po-Yang; Yang, Thomas C.-K.

doi:10.1016/j.molcata.2010.05.009

Cited by 45 publications

(16 citation statements)

References 34 publications

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“…Since last decade, much attention has been paid to indium vanadate (InVO 4 ) as visible light active photocatalytic material because of its huge potential for degradation of organic pollutants [15,16]. Several methods have been used for preparation of BiVO 4 and InVO 4 photocatalyst such as solidstate reaction [17], co-precipitation [18,19], and hydrothermal method [20][21][22]. Hydrothermal method has been rapidly developed due to rapid heating, faster kinetics, homogeneity, higher yield, reproducibility, and energy saving compared to other approaches [23][24][25].…”

Section: Introductionmentioning

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: Introductionmentioning

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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“…Among the three phases, monoclinic structure shows feasible photocatalytic activity than other structures due to its relatively narrow band gap of 2.4 eV compared to tetragonal structure (3.1 eV) [26]. Monoclinic-BiVO 4 has been synthesized via different methods like homogeneous precipitation [27], co-precipitation [28], surfactant-assisted [29], sonochemical method [30], sol-gel process [31], reverse-micro emulsion technique [32], and hydrothermal treatment [33][34][35][36]. Based on the earlier reports the photocatalytic performance of BiVO 4 mostly depends with crystallite phase governs with (a) visible light property, (b) electronic structure and (c) photocarrier transport properties.…”

Section: Introductionmentioning

confidence: 99%

Facile synthesis of nanostructured monoclinic bismuth vanadate by a co-precipitation method: Structural, optical and photocatalytic properties

Ravidhas¹,

Josephine²,

Sudhagar

et al. 2015

Materials Science in Semiconductor Processing

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“…TiO 2 -BiVO 4 ( Fig. 2A) show that only the samples with the 10 and 25 wt.% of BiVO 4 display both signals of TiO 2 (anatase) and BiVO 4 (monoclinic scheelite [32,33]). Similarly, also for the I.O.…”

Section: Resultsmentioning

confidence: 99%

Photocatalytic H2 production over inverse opal TiO2 catalysts

2019

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The influence of BiVO 4 and CuO on the chemico-physical properties of TiO 2-based systems is reported. The performances of these systems were investigated in the photocatalytic H 2 production both under UV and solar light irradiation. The characterization data pointed out that the obtained TiO 2 samples have highly porous inverse opal structures with interconnected macropores. Inverse opal TiO 2 exhibited higher activity in the H 2 production than the commercial TiO 2 due to the peculiar porosity that allows photons to enter inside the photocatalyst. A further improvement in terms of photoactivity was verified by addition of increasing amounts of BiVO 4. On the contrary a small CuO content was found to be the optimal one for the inverse opal TiO 2-CuO composites. In fact, due to surface segregation effects, a higher amount of CuO can partially keep the light radiation away from the TiO 2 surface active sites, thus decreasing drastically the absorption of photons. The combination of the benefits of the highly ordered porous TiO 2 structure and the presence of BiVO 4 or small amounts of CuO can represent a promising strategy towards efficient photocatalytic H 2 production.

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In situ DRIFT study of photocatalytic degradation of gaseous isopropanol over BiVO4 under indoor illumination

Cited by 45 publications

References 34 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 synthesis of nanostructured monoclinic bismuth vanadate by a co-precipitation method: Structural, optical and photocatalytic properties

Photocatalytic H2 production over inverse opal TiO2 catalysts

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