Sustainable existence of solid mercury (Hg) nanoparticles at room temperature and their applications

Villa Krishna Harika; Tirupathi Rao Penki; Boddapati Loukya; Atanu Samanta; Gui Liang Xu; Cheng Jun Sun; Ilya Grinberg; Francis Leonard Deepak; Khalil Amine; Doron Aurbach; Aharon Gedanken

doi:10.1039/d0sc06139e

Sustainable existence of solid mercury (Hg) nanoparticles at room temperature and their applications

Villa Krishna Harika, Tirupathi Rao Penki, Boddapati Loukya, Atanu Samanta, Gui Liang Xu, Cheng Jun Sun, Ilya Grinberg, Francis Leonard Deepak, Khalil Amine, Doron Aurbach, Aharon Gedanken

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10 Scopus citations

Abstract

Although liquid mercury (Hg) has been known since antiquity, the formation of stable solid nano forms of Hg at room temperature has not been reported so far. Here, for the first time, we report a simple sonochemical route to obtain solid mercury nanoparticles, stabilized by reduced graphene oxide at ambient conditions. The as-formed solid Hg nanoparticles were found to exhibit remarkable rhombohedral morphology and crystallinity at room temperature. Extensive characterization using various physicochemical techniques revealed the unique properties of the solid nanoparticles of Hg compared to its bulk liquid metal phase. Furthermore, the solid nature of the Hg nanoparticles was studied electrochemically, revealing distinctive properties. We believe that solid Hg nanoparticles have the potential for important applications in the fields of electroanalytical chemistry and electrocatalysis.

Original language	English
Pages (from-to)	3226-3238
Number of pages	13
Journal	Chemical Science
Volume	12
Issue number	9
DOIs	https://doi.org/10.1039/d0sc06139e
State	Published - 6 Jan 2021

Bibliographical note

Publisher Copyright:
© The Royal Society of Chemistry 2021.

Funding

V. K. Harika and T. R. Penki thank Dr Ilana Perelshtein, Dr Merav Tsubery, Dr Yuri Koltypin, Dr Netanel Shpigel for their helpful discussions. B. Loukya and F. L. Deepak acknowledges nancial support by the N2020: Nanotechnology based functional solutions (NORTE-45-2015-02). Research at the Argonne National Laboratory was funded by the U.S. Department of Energy (DOE), Vehicle Technologies Office. This research used resources of the Advanced Photon Source, an Office of Science User Facility operated for the U.S. Department of Energy (DOE) Office of Science by Argonne National Laboratory, and was supported by the U.S. DOE under Contract No. DE-AC02- 06CH11357, and the Canadian Light Source and its funding partners. The authors thank Drs E. D. Crozier and R. A Gordon at Simon Fraser University Canada for providing the Hg XANES reference data.

Funders	Funder number
U.S. Department of Energy	DE-AC02- 06CH11357
U.S. Department of Energy
Canadian Light Source
U.S. Department of Energy
Argonne National Laboratory
Office of Science

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abstract = "Although liquid mercury (Hg) has been known since antiquity, the formation of stable solid nano forms of Hg at room temperature has not been reported so far. Here, for the first time, we report a simple sonochemical route to obtain solid mercury nanoparticles, stabilized by reduced graphene oxide at ambient conditions. The as-formed solid Hg nanoparticles were found to exhibit remarkable rhombohedral morphology and crystallinity at room temperature. Extensive characterization using various physicochemical techniques revealed the unique properties of the solid nanoparticles of Hg compared to its bulk liquid metal phase. Furthermore, the solid nature of the Hg nanoparticles was studied electrochemically, revealing distinctive properties. We believe that solid Hg nanoparticles have the potential for important applications in the fields of electroanalytical chemistry and electrocatalysis.",

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AU - Penki, Tirupathi Rao

AU - Loukya, Boddapati

AU - Samanta, Atanu

AU - Xu, Gui Liang

AU - Sun, Cheng Jun

AU - Grinberg, Ilya

AU - Deepak, Francis Leonard

AU - Amine, Khalil

AU - Aurbach, Doron

AU - Gedanken, Aharon

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AB - Although liquid mercury (Hg) has been known since antiquity, the formation of stable solid nano forms of Hg at room temperature has not been reported so far. Here, for the first time, we report a simple sonochemical route to obtain solid mercury nanoparticles, stabilized by reduced graphene oxide at ambient conditions. The as-formed solid Hg nanoparticles were found to exhibit remarkable rhombohedral morphology and crystallinity at room temperature. Extensive characterization using various physicochemical techniques revealed the unique properties of the solid nanoparticles of Hg compared to its bulk liquid metal phase. Furthermore, the solid nature of the Hg nanoparticles was studied electrochemically, revealing distinctive properties. We believe that solid Hg nanoparticles have the potential for important applications in the fields of electroanalytical chemistry and electrocatalysis.

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Sustainable existence of solid mercury (Hg) nanoparticles at room temperature and their applications

Abstract

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