Abstract
In this paper, we studied the effect of heating temperature on the geometric parameters of catalytic centers. The temperature range was from 600 to 900 °C with an interval of 50 °C, heating was carried out for 20 minutes. At the end of the experimental studies, the AFM and SEM images of the catalytic centers formed at various heating temperatures on the Ni/V/Si structure are presented. Based on the data obtained, the corresponding dependences of the packing density, height range and areas of catalytic centers on temperature were constructed. It was determined that the catalytic centers have the smallest volume of 0.5 nm3 and a diameter of 80 nm at a heating temperature in the range from 750 °C to 850 °C, which is caused by their uniformity and geometric shape.
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