Catalytic properties of gold nanoparticles in H-2-D-2 exchange and ortho-para hydrogen conversionстатья
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Дата последнего поиска статьи во внешних источниках: 23 ноября 2017 г.
Аннотация:Gold nanoparticles of 3.8, 4.6, and 19.4 nm size, unlike the bulk metal, can adsorb hydrogen and catalyze the deuterium-protium exchange in the 77-523 K range. It has been shown that as the particle size decreases, the specific catalytic activity increases. The exceptionally high catalytic activity of gold nanoparticles in the ortho-para hydrogen conversion with respect to the deuterium-hydrogen exchange may indicate that at low temperatures the nanoparticles exhibit magnetic properties.