The photocatalytic degradation of methyl violet using TiSiW 12 O 40 /TiO 2 as a novel eco-friendly catalyst under simulated natural light irradiation was investigated. physical characterizations were carried out by TG/DTA, FT-IR, XRD, and UV-visible spectra. effects the initial concentration, solution pH, dosage on rate also examined. results demonstrated that at optimal condition (initial concentration is 20 mg/L, 0.3 g, pH 5.5), high 82.4% after 3 h irradiation. reaction photocatalysis for...

TiO2 nanoparticles modified Bi2WO6 photocatalysts were prepared via a facile hydrothermal process. The photocatalytic activity of as-prepared TiO2/Bi2WO6 composites was investigated sufficiently by the photodegradation rhodamine B (RhB), tetracycline hydrochloride (TC) and ciprofloxacin (CIP). composites, in which molar ratio to is 1:1, exhibited optimum activity, found increase about 2.4 times more than that pristine for TC. enhanced may be attributed higher surface area highly efficient...

In order to remove aquatic organic dye contaminants by utilizing the inexpensive and inexhaustible solar energy, Keggin-type H 3 PW 12 O 40 was loaded on surface of SiO 2 with sol-gel method sensitized solution. The photocatalytic degradation rhodamine B (RhB) /SiO (x) under simulated natural light irradiation investigated. effects initial RhB concentration, solution pH, catalyst dosage rate were also studied. results demonstrated that at optimal condition (initial concentration methyl...

In this study, the TiO 2 /Bi 4 V O[Formula: see text] nanocomposite photocatalysts were prepared by loading different amount of nanoparticles onto surface Bi nanospheres via a facile hydrothermal method. Afterwards, as-synthesized samples characterized high-resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD), N adsorption–desorption isotherms, photoelectron spectroscopy (XPS), UV-Vis diffuse reflectance (DRS) and photocurrent techniques. The optimal composite with...

Bi metal deposited on 2 MoO 6 composite photocatalysts have been successfully synthesized via a simple reduction method at room temperature with using NaBH 4 as the reducing agent. The photocatalytic activity of was evaluated by degradation rhodamine B (RhB) and bisphenol A (BPA) solution under visible light. rate constant Bi/Bi to RhB is 10.8 times that , BPA 6.9 . Nitrogen absorption–desorption isotherm proved increase specific surface area one reasons for improvement composites. higher...

H 3 PW 12 O 40 /SiO 2 was prepared by a sol-gel method, and sensitized solution.Their photocatalytic effects on degradation of organic dyes were investigated under simulated natural light irradiation.Degradation methyl orange used as probe reaction to explore the influencing factors photodegradation reaction.After continuously for five times, catalytic activity photocatalyst is not any lower.The orange, red, violet, rhodamine B, malachite green methylene blue also tested, rate can reach 84.6...

H 4 SiW 6 Mo O 40 /SiO 2 was sensitized by solution that significantly improved its catalytic activity under simulated natural light. Degradation of basic fuchsin used as a probe reaction to explore the influencing factors on photodegradation reaction. The results showed optimal conditions were follows: initial concentration 8 mg/L, pH 2.5, catalyst dosage g/L, and light irradiation time h. Under these conditions, degradation rate is 98%. photocatalysis for can be expressed first-order...

Base on high theoretical capacity and synergistic effect of metal ions transition vanadate composite, the MnV 2 O 6 /graphene (MnV /rGO) nanocomposite was successfully synthesized through a hydrothermal method. The nanoparticles were uniformly distributed deposited graphene networks. Benefited from outstanding properties nanosheets, electrode conductivity improved volume expansion reduced. As an anode, exhibited excellent lithium storage properties. An initial discharge 1350 mAh g -1 , which...

In order to treat a mass of industrial wastewater nitrobenzene, photocatalytic degradation method was studied in this paper. Phosphotungstic acid(H <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> PW xmlns:xlink="http://www.w3.org/1999/xlink">12</sub> O xmlns:xlink="http://www.w3.org/1999/xlink">40</sub> ) and titanium dioxide(TiO xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> were prepared, new-style catalyst H supported on TiO (H...

Searching for a stable and efficient photocatalyst still presents variety of challenges, when photocatalytic technology is widely used today. In this paper, oxygen-vacancy BiOCl with different masses was loaded on Bi 4 O 5 Br 2 nanosheets by simple two-step method. The UV–Dis spectrum showed that the absorption range complex to visible light larger than two pure substances. addition, PL, [Formula: see text]–[Formula: text] EIS characterization prove formation heterogeneous interface between...

ZnO/Bi 4 V 2 O[Formula: see text] nanocomposites were prepared via a facile hydrothermal method by loading different amounts of ZnO onto the surface Bi text]. The resulting composites showed excellent photocatalytic activity than that pure under visible light irradiation. When ratio to was 1:1 (ZB2), best, which could degrade RhB almost completely within 30[Formula: text]min. enhanced be mainly ascribed efficient charge separation and increased specific area. Based on experimental bandgap...

The nano-VO2 (B) has been self-assembly synthesized by hydrothermal method using different templates, which may give them some interesting properties. as-prepared samples were characterized X-ray powder diffraction (XRD) and scanning electron microscopy (SEM). electrochemical properties of the investigated. results show that hexadecyltrimethyl ammonium bromide (CTAB) (soft template) was used to obtain VO2 (B1) nanobelts. flake graphite (hard taken get (B2) nanosheets. nanobelts have higher...