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Electrochemistry and Electrocatalytic Responses of Single Nanoparticles
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Electrochemistry and Electrocatalytic Responses of Single Nanoparticles: A new method has been developed to use molecular scale Pt and Au nanoelectrodes to study individual metal nanoparticles. In this method, a single nanoparticle is chemically immobilized on the surface of a disk nanoelectrode to create a single nanoparticle electrode (SNPE). A SNPE allows direct application of an electrical voltage and subsequent monitoring of the faradaic response of single metal nanoparticles.
By using steady state voltammetry and microscopic methods such as transmission electron microscopy (TEM), we are able to correlate electrochemical data with physical and geometric characteristics. This experiment allows for the size, shape, and composition dependent electrochemical properties and electrocatalytic activity to be investigated at a single nanoparticle level.
Authors:
Jonathan T. Cox, Yongxin Li, Bikash Kumar Jena, Stephen J. Percival and Bo Zhang
Please click here to read the poster as a PDF
This poster was presented at Pittcon 2011, 13 - 18 March in Atlanta, GA, USA.
Contact:
Jonathan Cox
Department of Chemistry
University of Washington
Seattle, WA, USA
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Keywords : Bikash Kumar Jena Bo Zhang Chemistry Electrocatalytic Electrochemistry Electrode Jonathan T. Cox Microscopy Nano Nanoparticle Pittcon Pittcon 2011 Pittcon Poster Pittcon Poster 2011 Poster Single Nanoparticle Electrode SNPE Stephen J. Percival TEM Transmission Electron Microscopy University of Washington Voltammetry Yongxin Li
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