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05.10.2015. In the Laboratory of NanoElectroMagnetics of Research Institute for Nuclear Problems experimental gas phase chemical reactor with
liquid reagent injection system (CVD-reactor) for synthesis of nanocarbon materials was put into operation.
This CVD-reactor is designed for the catalytic synthesis of bulk and film samples arrays of multi-walled carbon nanotubes (CNT), graphite and graphene layers on various types of substrates up to 3x3 cm2. The synthesis method was developed at the Institute of Inorganic Chemistry SB RAS and based on processes of coating formation in the pyrolysis (hydrogen reduction) of gaseous chemical compounds of various elements of the vapor at high temperatures. Formation of CVD coating method is due to the flow on the heated surface of the heterogeneous processes of decomposition products of metal chemical compounds and carbon-containing organometallic compounds present in the reaction chamber in the gaseous state. CVD-technique is widely used in scientific experiments to produce new materials and coatings. Thus, this method since 1994, is widely used to produce various types of CNT and related materials. So, in the Laboratory of NanoElectroMagnetics first samples of multi-walled carbon nanotubes (MWCNTs) were synthesized. The average diameter of the produced MWCNT is 30 nm, their length is 200 microns.
The synthesized materials have unique electromagnetic and mechanical properties and are extremely interesting from a scientific and practical point of view. In particular, the use of MWNTs as fillers in composites allows to obtain materials with controlled electromagnetic characteristics, that is important in the development of various electronic components, as well as the design of radar absorbers.
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