Stochastic collision electrochemistry of single silver nanoparticles |
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| Authors: | Peter A Defnet Todd J Anderson Bo Zhang |
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| Institution: | Department of Chemistry, University of Washington, Seattle, WA, 98195-1700 United States |
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| Abstract: | The electrochemical oxidation of single colloidal Ag nanoparticles (NPs) at an electrode surface has previously been studied as an in situ particle-sizing methodology. However, the discovery of multipeak amperometric behavior in 2017 sparked new interest toward understanding the precise physical mechanism of the manner in which a freely diffusing Ag NP interacts with the electrode surface. Random walk simulations, unique electrochemical experiments, and correlated optical/spectroscopic techniques have revealed exciting new results regarding the physical and chemical processes occurring on single NP collision. |
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| Keywords: | Single nanoparticle Electrochemistry Collision Correlated microscopy Multipeak |
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