Analysis and identification of platinum-containing nanoproducts of plasma-chemical synthesis in a gaseous medium

This article studies a nanoproduct that is formed by simultaneous plasma-chemical evaporation ofgraphite and platinum. It was shown that the resulting deposits under different synthesis conditions havea similar and well-defined structure and consist of two main parts (core and enclosing bark). The structureof both parts is investigated at the micro- and nanoscale levels. The products of synthesis and similarproducts obtained without the use of platinum has been compared. The distribution of platinum in synthesisproducts is studied. It is proved that the atoms of the platinum catalyst influence the process of formationof the deposit. Namely, it stimulates the formation of a deposit where the deposit core containing platinumcontainingbundles of CNT exists as an independent core that does not have a strong connection with thedeposit shell. It is found that differential-thermal analysis of CNM in air by the methods of TG, DTG, DTAallows to reveal insignificant differences in the heat resistance of different carbon nanostructures, and thusit can be used for their identification. Such studies are of great importance for the synthesis of platinumcontainingcatalysts for fuel cells and other chemical industries.