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J Am Chem Soc. 2016 Oct 26;138(42):13975-13984. doi: 10.1021/jacs.6b07674. Epub 2016 Oct 17.

Small Gold Nanoparticles Interfaced to Electrodes through Molecular Linkers: A Platform to Enhance Electron Transfer and Increase Electrochemically Active Surface Area.

Journal of the American Chemical Society

Samantha L Young, Jaclyn E Kellon, James E Hutchison

Affiliations

  1. Department of Chemistry and Biochemistry and Materials Science Institute, 1253 University of Oregon , Eugene, Oregon 97403-1253, United States.

PMID: 27681856 DOI: 10.1021/jacs.6b07674

Abstract

For the smallest nanostructures (<5 nm), small changes in structure can lead to significant changes in properties and reactivity. In the case of nanoparticle (NP)-functionalized electrodes, NP structure and composition, and the nature of the NP-electrode interface have a strong influence upon electrochemical properties that are critical in applications such as amperometric sensing, photocatalysis and electrocatalysis. Existing methods to fabricate NP-functionalized electrodes do not allow for precise control over all these variables, especially the NP-electrode interface, making it difficult to understand and predict how structural changes influence NP activity. We investigated the electrochemical properties of small (d

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