NDLI: The Atomic scale structure of liquid metal

Content Provider	Royal Society of Chemistry (RSC)
Author	Festersen, S. Murphy, B. M. Magnussen, O. M.
Copyright Year	2016
Abstract	Electrochemical interfaces between immiscible liquids have lately received renewed interest, both for gaining fundamental insight as well as for applications in nanomaterial synthesis. In this feature article we demonstrate that the atomic scale structure of these previously inaccessible interfaces nowadays can be explored by in situ synchrotron based X-ray scattering techniques. Exemplary studies of a prototypical electrochemical system – a liquid mercury electrode in pure NaCl solution – reveal that the liquid metal is terminated by a well-defined atomic layer. This layering decays on length scales of 0.5 nm into the Hg bulk and displays a potential and temperature dependent behaviour that can be explained by electrocapillary effects and contributions of the electronic charge distribution on the electrode. In similar studies of nanomaterial growth, performed for the electrochemical deposition of PbFBr, a complex nucleation and growth behaviour is found, involving a crystalline precursor layer prior to the 3D crystal growth. Operando X-ray scattering measurements provide detailed data on the processes of nanoscale film formation.
Starting Page	13859
Ending Page	13866
Page Count	8
File Format	HTM / HTML PDF
ISSN	20403364
Volume Number	8
Issue Number	29
Journal	Nanoscale
DOI	10.1039/c6nr01571a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Electrode Nucleation Electrochemistry Mercury-vapor lamp X-ray scattering techniques Synchrotron Three-dimensional space
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology

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