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Fine and ultra-fine powders are actively studied in a broad and interdisciplinary area of nanotechnology. This paper presents the complex of well-grounded solutions for direct production of nanopowders by the exploding wire method. The influence of initial conditions on the properties of powders is discussed. The basic factors are as follows: the level and the uniformity of heating, the heating rate,...
Pt-doped polycrystalline tin oxide thin films have been synthesized by a modified chemical vapor deposition process using the pyrolysis of an aerosol generated by ultrahigh frequency spraying of a volatile precursor solution. We have analyzed the role played in the sensing processes, by Platinum aggregates dispersed in SnO 2 thin films used for the detection of various reducing gases such...
In this paper, gold nanoparticles supported on iron oxide were used as an active filter to eliminate CO interfering effect on detection of propane as a combustible gas using lwt% Pt/SnO2 sensor. A sol-gel method was used for the preparation of SnO2, which was impregnated with hexachloroplatinic acid to obtain lwt% Pt/SnO2. Gold/iron oxide was prepared by copercipitation method using an aqueous solution...
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