RAS Chemistry & Material ScienceХимическая физика Advances in Chemical Physics

  • ISSN (Print) 0207-401X
  • ISSN (Online) 3034-6126

Quantum chemical simulation of reactions in a nanogold–oxygen–hydrogen system

PII
S0207401X25010056-1
DOI
10.31857/S0207401X25010056
Publication type
Article
Status
Published
Authors
Volume/ Edition
Volume 44 / Issue number 1
Pages
44-51
Abstract
Quantum chemical calculations are performed to determine the heats of adsorption of H2 and O2 on the simplest electrically neutral Au3 cluster or the negatively charged Au3- cluster. A detailed mechanism is proposed for reaction between O2 and (Au3H2) adsorbate, and the energy budget for the elementary reactions producing (Au3O)- and H2O is calculated. The energy budget is also calculated for the elementary steps involved in the reaction between (Au3O)- and H2 producing Au3- and H2O. Based on the calculated results, an explanation is proposed for the experimental data on interaction of hydrogen and oxygen with gold nanoparticles deposited on pyrolytic graphite. Since the gold nanoparticles located on graphite are negatively charged, the calculations are performed accordingly for negatively charged gold-containing particles.
Keywords
квантовохимическое моделирование наночастицы золота реакции H2 и O2
Date of publication
14.09.2025
Year of publication
2025
Number of purchasers
0
Views
7

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