Here we report successful growth of mm scale single crystals of stoichiometric FeSc2S4. Single crystal X-ray diffraction yields a cubic structure, spacegroup Fd3̅m, with a=10.5097(2) Å at T=110(2) K consistent with previous literature on polycrystalline samples. Models fit to the data reveal no ...
In this work, effects of scandium on microstructure and mechanical properties of RR1000 were studied. The addition of scandium effectively refines the grain and modifies the morphology of primary γʹ at grain boundary. In the meantime, Sc doping starkly affects the evolution behavior of γʹ duri...
VS2 nanosheets electrode material was successfully synthesized by the hydrothermal method, and the electrode material (C-Fe/PANI) based on the carbonization of Fe cations adsorbed onto polyaniline (PANI) was directly synthesized on a nickel foam (current collector) by pyrolysis of the iron-PANI ...
Two-dimensional transition metal dichalcogenide are attracting increasing attention in electrochemical sensing due to unique nanoconstruction and electronic properties. The present work reports the preparation of flower-like vanadium disulfide (VS2) by a simple one-step hydrothermal process and ...
An efficient oxidation catalyst has been synthesized by anchoring oxo-vanadium (IV) onto the amino-functional microporous organic nanotube frameworks (NH2-MONFs). The amino groups are used to immobilize oxo-vanadium (IV) into the porous organic polymer supporter. The resulting oxo-vanadium (IV) ...
Highly efficient, earth-abundant, and low-cost photocatalysts are widely pursued for solar-driven hydrogen generation from water. Herein, we first report vanadium disulfide (VS2) with high hydrogen evolution reaction (HER) activity both in basal and edges to be the co-catalyst of graphitic carbo...
A novel branched sulfonated polyimide/molybdenum disulfide nanosheets (bSPI/MoS2-ns) composite membrane was fabricated for vanadium redox flow battery (VRFB) application. Scanning probe microscope (SPM) and field emission-scanning electron microscope (FE-SEM) images verify the successful exfolia...
Design and fabrication of novel inorganic nanomaterials for the low-level detection of food preservative chemicals significant is of interest to the researchers. In the present work, we have developed a novel grass-like vanadium disulfide (GL-VS2) through a simple sonochemical method without sur...
Sulfide is the product of the biological sulfate reduction process which gives toxicity and odor problems. Wastewaters or bioreactor effluents containing sulfide can cause severe environmental impacts. Electrochemical treatment can be an alternative approach for sulfide removal and sulfur recove...
Me-containing V2O5 materials (Me = Ag, Cu, Ca and Na) were prepared hydrothermally (from aqueous gels containing V2O5/H2O2/MeClx mixtures, with Me/V ratios of 0.17). The samples were finally heat-treated in air or in N2 atmosphere. The heat-treated samples have been characterized by several phys...
With the increasing interest in transition metal chalcogenides, sulfide minerals containing the disulfide unit (S22-) have gained intensive attention for potential applications in energy storage devices, such as lithium-ion batteries (LIBs). Vanadium tetrasulfide (VS4) possesses a unique linear-...
A hybrid counter electrode (CE) of vanadium sulfide decorated with carbon nanotubes (CNTs/VS2) for efficient dye-sensitized solar cells (DSSCs) was prepared by using an in situ hydrothermal route, and the DSSC based on the CNTs/VS2 CE prepared at 180 °C and contained 0.05 g CNTs exhibits a powe...
Recently, finding a novel near-infrared (NIR) photocatalyst has been the focus in photocatalysis. Here, VS4 sub-microspheres with a chain-like structure were prepared via a facile solvothermal method. As a new photocatalyst, it presents excellent NIR photocatalytic and photoelectrochemical (PEC)...
Porous metal sulfide/carbon hybrid materials are promising functional composites that are extensively used in high performance supercapacitors. Here, we report electrochemical supercapacitance performance of hierarchical porous vanadium sulfide (V3S4)/reduced graphene oxide (RGO) composite (V3S4...
Nanorod vanadium sulfide wrapped by reduced graphene oxide (rGO) composite is synthesized by a facile solvothermal reaction. Nanorod vanadium sulfide is uniformly distributed on the surface of rGO nanosheets. As an anode for sodium ion batteries, the composite with 13 wt% rGO has 1203.8 and 781....
In the hydrodesulfuration (HDS) of dibenzothiophene (DBT) performed on catalysts derived from SBA-15-supported ruthenium sulfide systems, the roles of the support and the sulfiding temperature were studied. In this sense, three ruthenium sulfided catalysts supported on SBA-15 type materials have...
The cation-mixed layered MnxFe1−xPS3 (0≤x≤1) compounds are synthesized from the corresponding elements at 700 °C. These compounds are characterized by powder X-ray diffraction (XRD), Fourier transform infrared (FTIR), magnetic susceptibility measurements and Mössbauer spectroscopy. The magnet...
FePS3, VPS3 and V0.78PS3 crystals are found to have electrical conductivity higher than 10−5 S cm−1, while MnPS3, NiPS3 and ZnPS3 crystals lower than 10−9 S cm−1 at room temperature. The high conductivity of the former crystals is attributed to their mixed valency on the metal and/or the S and P...
Transition metal phosphorus trisulfide compounds with the general formula MPS3, with M = Mn, Fe, Ni, have been prepared by chemical vapor transport, vapor sublimation, and direct combination of the elements. Chemical transport is accomplished by using 75 Torr of chlorine gas as a transport agent...
The transition metal dichalcogenides, such as TiS2, have been reported to perform well as cathodes in ambient temperature lithium batteries. It has been found that the layered, transition metal phosphorus trisulfides also exhibit electrochemical activity. Nickel phosphorus trisulfide will react ...
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