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Article
GAS-PHASE SYNTHESIS OF NITROGEN-DOPED DIAMOND COATING USING A HIGH-VELOCITY MICROWAVE PLASMA FLOW
Nitrogen-doped polycrystalline diamond coating is synthesized by high-velocity gas jet chemical deposition from a methane/hydrogen mixture with an addition of molecular nitrogen. The reaction mixture is activa...
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Article
Study of Vertically Aligned Multi-Walled Carbon Nanotubes Array for an Absolutely Black Body
An array of vertically oriented multi-walled carbon nanotubes (VOMWCNT) obtained by chemical vapor deposition (CVD) on a silicon substrate without preliminary catalyst deposition has been comprehensively inves...
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Article
INFLUENCE OF THE TEMPERATURE OF MOLYBDENUM SUBSTRATES ON THE STRUCTURE OF DIAMOND COATINGS OBTAINED BY CHEMICAL VAPOR DEPOSITION FROM A HIGH-SPEED MICROWAVE PLASMA JET
We present a study of structural features of diamond coatings prepared by chemical vapor deposition from a hydrogen/methane mixture activated by a microwave discharge using a high-speed jet to transport the m...
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Article
NEXAFS spectroscopy study of lithium interaction with nitrogen incorporated in porous graphitic material
Nitrogen-doped carbon nanomaterials have greater capacity and better cycling stability for Li-ion batteries as compared to undoped carbon materials. In situ near-edge X-ray absorption fine structure (NEXAFS) s...
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Article
An X-ray Spectral Study of the Electronic Structure of Non-Innocent Mono- and Binuclear Platinum Complexes with N-Phenyl-o-Benzosemiquinonediimine
The electronic structure of mono- and binuclear platinum complexes with N-phenyl-o benzosemiquinondiimine ligands was studied using X-ray photoelectron spectroscopy, X-ray absorption spectroscopy, and the density...
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Article
Scientific Achievements in Studying Graphene and Related Structures
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Article
Structure and Electrochemical Properties of Carbon Nanotubes Synthesized with Catalysts Obtained by Decomposition of Co, Ni, and Fe Polyoxomolybdates Supported by MgO
Carbon nanotubes (CNTs) were synthesized by thermal decomposition of methane at 900 °C using Co–Mo/MgO, Fe–Mo/MgO, and Ni–Mo/MgO catalysts. To obtain metallic nanoparticles, polyoxomolybdate clusters of Co, Ni...
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Article
Optimization of Parameters of Graphene Synthesis on Copper Foil at Low Methan Pressure
Graphene films on copper foils were synthesized using low-pressure (2200-2800 Pa) chemical vapor deposition (CVD) from methane/hydrogen mixtures. The number of graphene layers is shown to be dependent on the c...
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Article
Optical Properties of CdS Quantum Dots on Graphene
Hybrid systems based on graphene and semiconductor quantum dots are prospective materials for optoelectronics and photonics. In this work, electronic structure and dielectric properties of small particles of c...
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Article
The Automation of a CVD-Reactor for the Synthesis of Vertically Oriented Carbon Nanotube Arrays
The functional diagram and the automation system of a CVD-reactor for the synthesis of vertically oriented carbon nanotube arrays on silicon substrates are described. The system is intended predominantly for r...
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Article
A Laboratory CVD Reactor for the Synthesis of Vertically Oriented Carbon Nanotube Arrays
The functional structure and the design of a CVD reactor for the synthesis of vertically oriented carbon nanotube (VOCNT) arrays on silicon substrates are described. To synthesize VOCNTs, various organic compo...
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Article
Electron Transport and Piezoresistive Effect in Single-Walled Carbon Nanotube Films on Polyethylene Terephthalate Substrates
The paper presents the experimental results on temperature dependences of electrical resistance of disordered single-walled carbon nanotube (SWNT) films on polyethylene terephthalate (PET) substrates and discu...
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Article
Open AccessTabby graphene: Dimensional magnetic crossover in fluorinated graphite
Tabby is a pattern of short irregular stripes, usually related to domestic cats. We have produced Tabby patterns on graphene by attaching fluorine atoms running as monoatomic chains in cr...
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Article
Synthesis and modification of carbon nanohorns structure for hyperthermic application
Single-wall carbon carcass nanoparticles (nanohorns) (CNHs) are synthesized by two methods: electric arc and electron evaporation of graphite in the inert atmosphere. Distinctions in the structures of obtained...
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Article
X-ray spectroscopy study of lithiated graphite obtained by thermal deposition of lithium
X-ray photoelectron spectroscopy (XPS), X-ray emission spectroscopy (XES), and near edge X-ray absorption fine structure (NEXAFS) spectroscopy are used for in situ studies of the electronic structure of lithiated...
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Article
Effect of the graphite oxide composition on the structure of products obtained by sulfuric acid treatment at elevated temperatures
The electronic structure and functional composition of products of the graphite oxide (GO) interaction with concentrated sulfuric acid (H2SO4) are studied, depending on the oxygen content in the precursor and the...
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Article
Structure of carbon nanoparticles synthesized by adiabatic compression of acetylene and their application in supercapacitors
The work reports the study of the structure of carbon nanoparticles prepared by the pyrolysis of heliumdiluted acetylene under adiabatic compression in a piston reactor. At a pushing gas pressure of 0.5 MPa, 0...
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Article
Functional composition and electrochemical characteristics of oxidized nanosized carbon
The functional composition and electrochemical behavior of the samples of N121 oxidized nanosized technical carbon in aqueous electrolytes are studied. For oxidation a 30% aqueous hydrogen peroxide (H2O2) solutio...
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Article
X-ray and x-ray electron spectroscopy of new materials
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Article
An X-ray spectroscopy study of CdS nanoparticles formed by the Langmuir–Blodgett technique on the surface of carbon nanotube arrays
The composition and electronic structure of cadmium sulfide (CdS) nanoparticles formed by the Langmuir–Blodgett (LB) technique on clean silicon wafers and the surface of vertically aligned carbon nanotube (CNT...
