Particle-impact voltammetry: The reduction of hydrogen peroxide at silver nanoparticles impacting a carbon electrode

E.J.E. Stuart, N.V. Rees, R.G. Compton

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

The complete, two-electron reduction of hydrogen peroxide at silver nanoparticles during collisions of the nanoparticles with an inert carbon electrode is reported. The current passed during each impact (average duration 13 ms) is shown to be quantitatively approximated to that of the diffusion-limited current at an isolated NP-sphere of radius R, thereby enabling the sizing of the nanoparticles, and providing insight into future physical models of the contact environment.
Original languageEnglish
Pages (from-to)94-97
Number of pages4
JournalChemical Physics Letters
Volume531
DOIs
Publication statusPublished - 2 Apr 2012

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