A photoelectrochemical sensor for dopamine was fabricated by the immobilization of bismuth vanadate (BiVO4) and graphene quantum dots on a fluorine-doped tin oxide (FTO) glass electrode. Electrochemical impedance spectroscopy experiments demonstrated that the presence of graphene quantum dots co...

Zinc vanadate nanorods have been synthesized by a simple hydrothermal process using zinc acetate and sodium vanadate as the raw materials. The zinc vanadate nanorods have been characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), hi...

Ammonium vanadate (NH4V4O10) nanowire flowers and nanowires on titanium (Ti) foils are synthesized by hexamethylenetetramine (HMTA)-assisted hydrothermal reactions as a cathode material for lithium-ion battery. The as-prepared NH4V4O10 nanowires are about 50 nm in diameter and several micrometer...

Bismuth vanadate (BiVO4) microcrystals enclosed with up to 42 low and high index facets were synthesized through truncation of BiVO4 octahedral crystals via a simple and highly reproducible hydrothermal method. The size and shape of the truncated BiVO4 crystals could be tuned by varying the acid...

Design and fabrication of novel optimized electrode materials are important for the development of new batteries for energy storage applications. Herein, we report on a hierarchical bulk electrode material with a tailored nanostructure that which consists of three components: a NH4V4O10 nanowire...

Polypyrrole (PPy) nanotubes on carbonized cotton textile have been prepared using ammonium vanadate nanowires as sacrificial templates, and characterized by scanning electron microscope, X-ray diffraction, fourier transform infrared spectrum and transmission electron microscope. The process cont...

Modified Fe3O4 magnetic nanoparticles (magnetic nanocarrier) technology have found the proper place in separation and purification techniques, such as protein and enzyme purification, mostly due to its easy and fast operational procedure by using an external permanent magnet. Herein, Fe3O4 magne...

Two kinds of precipitation processes: ammonium salt precipitation of vanadium in alkaline media and ammonium salt precipitation of vanadium in acidic media from the stripping solution of N235-P507 synergistic extraction system were investigated. Both of them were found to be feasible for the hig...

Ammonium vanadate nanofibers were synthesized by simple reflux method in aqueous V2O5 solution with ammonium persulfate without relying on surfactants, catalysts, harmful solvents and autoclave. The degree of intercalation by cationic ammonium ions into the crystal structure of vanadium oxide al...

The present work deals with the potentially significant process converting acrolein of green origin to acrylonitrile using mesoporous bismuth molybdate catalysts. The ammoxidation catalysts were characterized by N2 physisorption, X-ray diffraction, and catalytic tests under various conditions at...

Self-sustaining reduction of ammonium molybdate tetrahydrate (AMT) by mixture of zinc and magnesium is investigated. It is shown that utilizing mixtures of metallic reducers is an attractive methodology to control the reduction conditions and product characteristics. Optimal intervals of key par...

It was demonstrated that iron molybdate catalysts for methanol oxidation can be prepared using Fe(II) as a precursor instead of Fe(III). This would allow for reduction of acidity of preparation solutions as well as elimination of Fe(III) oxide impurities which are detrimental for the process sel...

This study evaluated the effectiveness of the combined treatment of ammonium molybdate and Rhodosporidium paludigenum, a yeast species with broad-spectrum antifungal effects, in controlling green mold caused by Penicillium digitatum in satsuma mandarin (Citrus unshiu Marc.). The addition of 0.1 ...

Polymer bulk heterojunction solar cells have been constructed using a thin film molybdenum oxide (MoOx) hole extraction layer that was fabricated by thermally annealing an ammonium molybdate tetrahydrate precursor layer deposited in air by ultrasonic spray-coating. Onto this layer was spray cast...

Atomic force microscopy (AFM) was used to study the relation between the surface morphology of SnO2 coatings with their room-temperature resistivities. A hot-plate chemical vapor deposition system fed with vapors of tin tetrachloride and methyl alcohol diluted in a nitrogen gas carrier was used ...

We herein demonstrate the intercalation of several organic benzenepolycarboxylic compounds, terephthalic acid (TC), 1,3,5-benzenetricarboxylic acid (BTC) and 1,2,4,5-benzenetetracarboxylic acid (BTCC), into the layered terbium hydroxide (LTbH) and the sensitized luminescence of these organic spe...

A high pressure modification of the rare earth oxide hydroxides of the elements from neodymium to lutethium and of yttrium has been prepared, using hydrothermal synthesis at pressures up to 80 kb and temperatures up to 1000°C. The modification is tetragonal with space group P421m.

Ti-bearing slag (TiO2>20 wt%) is a valuable titanium secondary resource. The extraction of titanium from the slag is difficult due to the complex composition and structure. Although molten oxide electrolysis is considered as a promising method, silicon will be preferentially electroreduced compa...

Copper element was added in pure titanium by a powder metallurgy to produce a new antibacterial titanium–copper alloy (Ti–Cu alloy). This paper reported the very early stage results, emphasizing on the preparation, mechanical property and antibacterial activity. The phase constitution was anal...

This study assessed the electrical conductivity and the mechanical properties of pure Cu, 1 and 2.6 mass % Ti additions in a composition of CuTi0.014 and CuTi0.035 in region of Cu-solid solution, with the aim of studying the effect of titanium additions on the properties of copper. A sample of p...