Intrinsic multistate switching of gold clusters through electrochemical gating

Tim Albrecht, S.F.L. Mertens, Jens Ulstrup

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The electrochemical behavior of small metal nanoparticles is governed by Coulomb-like charging and equally spaced charge-transfer transitions. Using electrochemical gating at constant bias voltage, we show, for the first time, that individual nanoparticles can be operated as multistate switches in condensed media at room temperature, displaying distinct peak features in the tunneling current. The tunneling conductance increases with particle charge, suggesting that solvent reorganization and dielectric saturation become increasingly important.
Original languageEnglish
JournalJournal of the American Chemical Society
Volume129
Issue number29
Pages (from-to)9162-9167
ISSN0002-7863
DOIs
Publication statusPublished - 2007

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