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CVD graphene film on a silicon substrate with flint oxide
GrapheneNanomaterials

CVD graphene film on a silicon substrate with flint oxide

By Modern Synthesis Technology

Graphene film obtained by CVD method (chemical vapor deposition: a mixture of methane, hydrogen and argon) on a silicon substrate / layer of silicon oxide (Si / SiO2) with a thickness of 285 nm or 90 nm. Specifications Grain size:> 20 microns Transparency:> 97% Coverage Area:> 99% Thickness: <1 nm – one layer Surface resistance: 500 – 800 Ohm / □ Mobility of charge carriers on SiO2: 1500 – 2500 cm2 / V ∙ s Application - Catalysts - Supercapacitors - Solar panels - Graphene semiconductor chips - Conductive graphene film - Graphene materials for computer memory - Biomaterials - Transparent conductive coatings Product: Si/Sio2 90nm, Si/Sio2 285nm Size: Graphene 1x1cm (1cm2), Substrate 1,2×1,2cm, Graphene 2x2cm (4cm2), Substrate 3x3cm, Graphene 4x4cm (16cm2), Substrate 5x5cm

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Multi-Walled Carbon Nanotubes OD 20nm-50nm/L 2um

MWNTs consist of several graphene layers, formed as a tube. The space between the layers is 0.34 nm, which is the same distance as between the crystal graphite layers. Parameter: OD 20nm-50nm/L 2um Outer diameter, nm: 20-50 Internal diameter, nm: 10-20 Length, μm: ≥2 Total amount of impurities, %: initial (after purification): ≤10 (≤1) Bulk density, g/cm3: 0.3-0.6 Specific surface area, m2/g: ≥160 MWNTs consist of several graphene layers, formed as a tube. The space between the layers is 0.34 nm, which is the same as between the crystal graphite layers. MST MWNTs do not require any purification from other carbon forms (soot), they do not have any surface damages and are aimed for the following applications: - composite material modification/masterbatches - components for electronics - chemical industry - oil-refining industry - building industry - lacquers and paints - adsorbents for mineral oils Production method MST Multi-Walled Carbon Nanotubes (MWNTs) are synthesized by a unique production method, low-temperature thermocatalytic pyrolysis of hydrocarbon. Our method is based on the conversion of carbon-containing gas bursts (methane, propane, butane) into multi-walled carbon nanotubes without impurities of other carbon forms. Tests provided showed that MWCNT-MST can be successfully applied for: - nanomodifiers for adhesives/glues - paint-metal surfaces - heat-conducting pastes If you require more detailed information please do not hesitate to contact us. Buy Carbon Nanotubes You can buy carbon nanotubes (Multi-Walled Carbon Nanotubes) provided by our company and made by prominent scientists which all work with the most up-to-date technologies in the field of nanomaterials. Carbon nanotubes were discovered in 1991 and they totally changed the material science. MWNTs (multi-walled carbon nanotubes) consist of several graphene layers, formed as a tube with open or closed ends. They form strong and highly elastic fibers. The space between the layers is 0.34 nm, which is the same as between the crystal graphite layers. There can be many structural models of carbon nanotubes which depend on the bond between carbons. With different bonding, we get different properties. The most common structure with many benefits is the hexagonal one. Buy Carbon Nanotubes, the Most Convenient Nanomaterials Carbon Nanotubes for Sale, Nanomaterial with Exceptional Properties Application Due to their chemical, physical and mechanical properties MWCNT MST are suitable for modifying of any composite materials in order to improve consumer characteristics and to increase the service life of end products. Large surface of our developed material enables its high adsorptive capacity. It can be used as an adsorbent for capturing of hydrogen sulphide, sulfur dioxide, RSH, disulfide, chlorine, fluorine and other. Due to their chemical, physical and mechanical properties MWCNT MST are suitable for modifying of any composite materials in order to improve consumer characteristics and to increase the service life of end products. Carbon nanotubes are excellently strong and flexible; they have extraordinary conductivity of heat and electricity as well as other carbon nanomaterials which our company also provides. Carbon nanotubes have also very valuable optical properties such as absorption or fluorescence. They can also be modified to achieve required properties. You can increase strength, flexibility, elasticity and even toughness by mixing carbon nanotubes with some polymers or metals. Large surface of our developed material enables its high adsorptive capacity. It can be used as an adsorbent for capturing of hydrogen sulphide, sulphur dioxide, RSH, disulphide, chlorine, fluorine and other. Application areas: В· Composite materials - Lacquers and paints - Coatings (carbon nanotubes as versatile coating materials) - Adhesives/Glues - Concrete - Cathodes - Heat-conducting pastes - Transparent films - Ceramics (improved toughness) В· Energy. The conductivity of carbon nanotubes is determined by their size and chirality - Supercapacitors (carbon nanotubes are special not just by their conductivity but also by their enormously high surface area) - Solar cells - Fuel cells (electrode catalyst) - Li-ion batteries (for notebooks and mobile phones) - Hydrogen storage В· Polymer materials - Рўhermoplastic - Thermosetting plastic В· Ecology - Multiuse adsorbents - Multiuse filters (water purification) - Photovoltaic technologies В· Bioengineering - Biosensors (could be used in medicine, food technology or military) - Receptors in vivo (inside of the living cell) - Synthetic implants - Cell tracking and labeling - Drug and gene delivery - Cancer research

MWNT OD 8nm-30nm/L 20um

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Graphene Powder

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Type1234 Carbon content99%99.5%99%99.95% Nanoparticle thickness 3-10nm 3-10nm 1-4nm 3-10nm Nanoparticle diameter 0.5-10μm 3-140μm 1-10μm 10-250μm Conductivity93 000s/m 196 000s/m n/a n/a Material density 210±50kg/m 3 260±50kg/m 3<40kg/m 3 290±50kg/m 3 measurement of specific conductivity made by a four-contact method of a compressed tablet under pressure of 70 atmospheres. Method of synthesis Graphene nanopowder is a form of carbon nanoparticle. We produce graphene nanopowder by using a low-temperature physical exfoliation of natural graphite (the material used in pencils) in deionized water. This means that the graphite is exposed to the temperature lower than 650C°. The final material is stable at room temperature and does not show any signs of combustibility. Our production method does not involve any chemicals. It means that our synthesis does not generate hazardous waste or toxic gases. 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Colloidal Silver / Silver Nanoparticles

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