Microcystin leucine-arginine (MC-LR), is a hepatotoxic agent produced by cyanobacteria, capable of posing serious threat to the human and ecological environment. In this study, bismuth vanadate (BiVO4)/NaY-Zeolite nanocomposite was intended for degradation MC-LR in aquatic solutions. The response surface methodology (RSM) used optimize operating variables affecting removal. results showed that ...

Bismuth vanadate hydrothermally synthesized at 180 °C and then calcined (BiVO4-180) is a versatile stable heterogeneous photocatalyst for the functionalization of diverse C(sp2)–H bonds under ambient visible-light conditions, with series functionalized compounds, including tetrahydroquinoline-succinimide-fused heterocycles, tetrahydroquinolines, 3-(p-(N,N-dimethyl)ben- zyl)indoles, α-aryl α-ami...

Bismuth vanadate (BiVO4) has been widely regarded as a promising photoanode material for photoelectrochemical (PEC) water splitting because of its low cost, its high stability against photocorrosion, and its relatively narrow band gap of 2.4 eV. However, the achieved performance of the BiVO4 photoanode remains unsatisfactory to date because its short carrier diffusion length restricts the total...

The development of new heterostructures with high photoactivity is a breakthrough for the limitation solar-driven water splitting. Here, we first introduce indium oxide (In2O3) nanorods (NRs) as novel electron transport layer bismuth vanadate (BiVO4) short charge diffusion length. In2O3 NRs reinforce and hole blocking BiVO4, surpassing state-of-the-art photoelectrochemical performances BiVO4-ba...

Bismuth vanadate (BiVO4) is a promising material for photoelectrochemical water splitting and photocatalytic degradation of organic moieties. We evaluate the ionization potentials of the (010) surface termination of BiVO4 using first-principles simulations. The electron removal energy of the pristine termination (7.2 eV) validates recent experimental reports. The effect of water absorption on t...

Semiconductor photocatalysis utilizing visible-light is a promising approach toward our current environmental and energy challenges. Among various visible-light-driven photocatalysts, bismuth vanadate (BiVO4) recognized as an attractive material due to its benefits such low cost, non-toxicity, narrow bandgap (2.4 eV) with good response green light in the visible region, oxidation ability. Many ...

The development of highly efficient and stable photocatalysts is critical importance for the removal environmental pollutants, such as paraben preservatives. In this work, carbon quantum dots (CQDs) were used to modify bismuth vanadate (BiVO4) through a hydrothermal reaction. Regarding as-formed CQDs/BiVO4 composite, TEM, XPS, Raman spectra analysis demonstrated strong interaction between CQDs ...

Bismuth vanadate and titanium dioxide (BiVO4/TiO2) composites, used as visible-light-driven photocatalysts were successfully synthesized with different mole ratios by coupling of a co-precipitation method with a sol-gel method. The phase transitions of the as-prepared BiVO4/TiO2 composites were carried out by X-ray diffraction (XRD). The results clearly indicated that the as-synthesized BiVO4/T...

A hybrid photovoltaic/photoelectrochemical (PV/PEC) water-splitting device with a benchmark solar-to-hydrogen conversion efficiency of 5.2% under simulated air mass (AM) 1.5 illumination is reported. This cell consists of a gradient-doped tungsten-bismuth vanadate (W:BiVO4 ) photoanode and a thin-film silicon solar cell. The improvement with respect to an earlier cell that also used gradient-do...

Bismuth vanadate (BiVO4) is a widely studied photocatalyst for the depollution of contaminated wastewater, production hydrogen by water splitting, and organic synthesis. The photophysical properties BiVO4 are sensitive to morphology quantum confinement effects, can exhibit enhanced photocatalytic performance in nanocomposites with graphene. Synthesis hierarchical plates decorated nanoparticles ...