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Article
Morphology and Electrical Capacitance Characteristics of Nanostructured MnxOy/MWCNT Composites
Reducing potassium permanganate by a carbon matrix (multiwalled carbon nanotubes (MWCNTs)) in aqueous solutions, we have obtained MnxOy/MWCNT nanostructured composites (NSCs). The morphology and texture of the MW...
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Article
EFFECT OF STRUCTURE AND SURFACE STATE OF NITROGEN DOPED CARBON NANOTUBES ON THEIR FUNCTIONAL AND CATALYTIC PROPERTIES
A comprehensive study of nitrogen doped carbon nanotubes (N–CNTs) with nitrogen content varying from 0 at.% to 7.3 at.% is reported. A correlation is revealed between the content of pyridine-like nitrogen and ...
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Article
Electrochemical Properties of Coke-Derived Graphene Oxide Reduced by Ascorbic Acid
Abstract—The capacitive characteristics of reduced graphene oxide are investigated. The graphene is produced from coke by the modified Hummers method and then reduced by means of ascorbic acid. The curves obtaine...
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Article
Nanostructured composites based on highly porous carbon matrices filled with gold
High-purity, regularly shaped nanostructured gold-carbon composites with high specific surface area and porosity were obtained via the reduction of hydrogen tetrachloroaurate (III) by highly porous matrices de...
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Article
Bimetallic catalysts for the hydrogenation of aromatic nitro compounds
The catalytic activity of bimetallic Pd-Ni, Pd-Cu, and Pd-Ag catalysts in the reaction of nitrobenzene hydrogenation was studied. It was found that the rate of hydrogenation on the bimetallic catalysts was hig...
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Article
Preparation of nanosized copper powders with controlled dispersity
The optimal conditions for the preparation of copper nanopowders by the reduction of copper sulfate with glucose were determined.
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Article
Effect of stabilizers on the tolerance of copper nanopowders for oxidation by molecular oxygen
The effect of various stabilizers, phenol, 1-naphthol, hydroquinone, hydroxylamine sulfate, metol, guanidine, and dimethylphenylbenzylammonium chloride, on the rate of oxidation of copper nanopowders by molecu...
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Article
Effect of various factors on the dispersity of copper nanopowders produced by reduction of copper salts with glycerol
Effect of the nature of a copper salt and initiators on the dispersity of copper powders was studied. The dispersity was determined by electron microscopy, X-ray phase analysis, and method of small-angle X-ray...
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Article
Effect of the nature of a reducing agent on properties of ultradisperse copper powders
Ultradisperse copper powders were produced by reduction of copper sulfate with glycerol, L-ascorbic acid, sodium hypophosphite, glucose, and hydrazine. The influence exerted by the nature of a reducing agent on t...
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Article
Preparation of ultradisperse copper powders by reduction of copper salts with L-ascorbic acid and electrically conducting formulations based on these powders
Production of ultradisperse copper powders by reduction of various copper salts with L-ascorbic acid was studied.
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Article
Electrically Conducting Formulations Based on Ultradispersed Powders of Copper, Obtained by Reduction of Its Salts with the Hypophosphite Ion
Powders of copper were obtained by reducing its various salts with hypophosphorous acid and sodium hypophosphite. The influence exerted by various factors on the stability and electrical conductivity of compos...
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Article
Effect of Chemical Modification of Ultradispersed Copper Powders on Electrical Conductivity of Formulations on Their Base
Ultradispersed powders of copper were obtained by reducing various copper salts with glycerol, and formulations on their base were prepared. The effect of various modifiers on the dispersity, stability, and el...
