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Hyperstoichiometric interaction between silver and mercury at the nanoscale

Hyperstoichiometric interaction between silver and mercury at the nanoscale
Hyperstoichiometric interaction between silver and mercury at the nanoscale
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 HgII to Ag0 drastically increases beyond the conventional Hg/Ag ratio of 0.5:1, leading to hyperstoichiometry with a maximum ratio of 1.125:1 (see figure). Therein, around 99?% of the initial silver is retained to rapidly form a solid amalgam with reduced mercury.
hyperstoichiometry, mercury, nanoparticles, redox chemistry, silver
1433-7851
2632-2635
Katok, Kseniia V.
44b51515-7b87-437f-bcec-e636ae3c9ab0
Whitby, Raymond L. D.
2c4fef7a-ce81-44ea-842e-27dbd56ac5c4
Fukuda, Takahiro
b275a3a4-5788-46c1-bc91-10f76c9f2a96
Maekawa, Toru
c1a7a2df-a8fe-4317-b637-484aeadbafba
Bezverkhyy, Igor
2771c8b5-3783-4e32-b1e1-368d5abc0b91
Mikhalovsky, Sergey V.
069cc234-fe97-4055-97ed-5bec73bf8d0d
Cundy, Andrew B.
994fdc96-2dce-40f4-b74b-dc638286eb08
Katok, Kseniia V.
44b51515-7b87-437f-bcec-e636ae3c9ab0
Whitby, Raymond L. D.
2c4fef7a-ce81-44ea-842e-27dbd56ac5c4
Fukuda, Takahiro
b275a3a4-5788-46c1-bc91-10f76c9f2a96
Maekawa, Toru
c1a7a2df-a8fe-4317-b637-484aeadbafba
Bezverkhyy, Igor
2771c8b5-3783-4e32-b1e1-368d5abc0b91
Mikhalovsky, Sergey V.
069cc234-fe97-4055-97ed-5bec73bf8d0d
Cundy, Andrew B.
994fdc96-2dce-40f4-b74b-dc638286eb08

Katok, Kseniia V., Whitby, Raymond L. D., Fukuda, Takahiro, Maekawa, Toru, Bezverkhyy, Igor, Mikhalovsky, Sergey V. and Cundy, Andrew B. (2012) Hyperstoichiometric interaction between silver and mercury at the nanoscale. Angewandte Chemie International Edition, 51 (11), 2632-2635. (doi:10.1002/anie.201106776).

Record type: Article

Abstract

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 HgII to Ag0 drastically increases beyond the conventional Hg/Ag ratio of 0.5:1, leading to hyperstoichiometry with a maximum ratio of 1.125:1 (see figure). Therein, around 99?% of the initial silver is retained to rapidly form a solid amalgam with reduced mercury.

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More information

Published date: 12 March 2012
Keywords: hyperstoichiometry, mercury, nanoparticles, redox chemistry, silver
Organisations: Geochemistry

Identifiers

Local EPrints ID: 399326
URI: http://eprints.soton.ac.uk/id/eprint/399326
ISSN: 1433-7851
PURE UUID: 7af0d92d-2aec-447b-bb90-72be8d7f70ec
ORCID for Andrew B. Cundy: ORCID iD orcid.org/0000-0003-4368-2569

Catalogue record

Date deposited: 11 Aug 2016 12:53
Last modified: 19 Nov 2019 01:33

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Contributors

Author: Kseniia V. Katok
Author: Raymond L. D. Whitby
Author: Takahiro Fukuda
Author: Toru Maekawa
Author: Igor Bezverkhyy
Author: Sergey V. Mikhalovsky
Author: Andrew B. Cundy ORCID iD

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