The H2-D2 exchange reaction catalyzed by gold nanoparticles supported on $\upgamma$-Al2O3: Effect of particle size on the reaction rateстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 20 декабря 2019 г.
Аннотация:Gold nanoparticles supported on γ-Al2O3 catalyzed the hydrogen isotope exchange Н2+D2 at low temperatures, ca. 77 K. The specific catalytic activity increases by a factor of ~800 as the particle size decreases from 39.3 to 0.7 nm. A correlation has been established between the catalytic activity of nanoparticles of different size and the concentration of low-coordination gold surface atoms. Apparently, the obtained empirical equations can be used to estimate the specific catalytic activity of gold nanoparticles of various sizes.