Hyperstoichiometric interaction between silver and mercury at the nanoscale.

Autor: Katok KV; Nanoscience & Nanotechnology Group, Faculty of Science and Engineering, University of Brighton, UK., Whitby RL, Fukuda T, Maekawa T, Bezverkhyy I, Mikhalovsky SV, Cundy AB
Jazyk: angličtina
Zdroj: Angewandte Chemie (International ed. in English) [Angew Chem Int Ed Engl] 2012 Mar 12; Vol. 51 (11), pp. 2632-5. Date of Electronic Publication: 2012 Feb 03.
DOI: 10.1002/anie.201106776
Abstrakt: Breaking through the stoichiometry barrier: as the diameter of silver particles is decreased below a critical size of 32 nm, the molar ratio of aqueous Hg(II) to Ag(0) drastically increases beyond the conventional Hg/Ag ratio of 0.5:1, leading to hyperstoichiometry with a maximum ratio of 1.125:1. Therein, around 99% of the initial silver is retained to rapidly form a solid amalgam with reduced mercury.
(Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.)
Databáze: MEDLINE
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