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Hydrogenation of HOPG-supported Gold Nanoparticles: Features of Initial Stages

N. N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences (FRCCP RAS), Moscow 119991, Russia
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Crystals 2019, 9(7), 350; https://doi.org/10.3390/cryst9070350
Received: 10 June 2019 / Revised: 28 June 2019 / Accepted: 5 July 2019 / Published: 9 July 2019
(This article belongs to the Special Issue Synthesis and Investigation of Gold Nanoparticles)
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Abstract

The features of deuterium adsorption on the surface of gold nanoparticles deposited on highly oriented pyrolytic graphite (HOPG) were determined. The results showed that deuterium adsorption on gold nanoparticles takes place at room temperature. The results also showed that the filling of the nanoparticles’ surfaces with the adsorbate occurs from the graphite–gold interface until the entire surface is covered by deuterium. The results of quantum chemical simulations are used to explain the experimental data. A simple model of the observed effects is proposed. View Full-Text
Keywords: gold nanoparticles; highly oriented pyrolytic graphite; interface; deuterium adsorption; STM; DFT gold nanoparticles; highly oriented pyrolytic graphite; interface; deuterium adsorption; STM; DFT
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Gatin, A.K.; Grishin, M.V.; Dokhlikova, N.V.; Sarvadii, S.Y.; Shub, B.R. Hydrogenation of HOPG-supported Gold Nanoparticles: Features of Initial Stages. Crystals 2019, 9, 350.

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