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Nano‐Electrochemical Detection of Hydrogen or Protons Using Palladium Nanoparticles: Distinguishing Surface and Bulk Hydrogen
Author(s) -
BatchelorMcAuley Christopher,
Banks Craig E.,
Simm Andrew O.,
Jones Timothy G. J.,
Compton Richard G.
Publication year - 2006
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200500571
Subject(s) - palladium , hydrogen , electrochemistry , nanoparticle , materials science , metal , microelectrode , proton , inorganic chemistry , nano , electrode , chemistry , nanotechnology , analytical chemistry (journal) , catalysis , organic chemistry , metallurgy , physics , quantum mechanics , composite material
The benefits of using nanoparticle‐modified electrodes are exemplified through the electrochemical detection of protons and/or hydrogen. It is shown that a palladium‐nanoparticle‐modified boron‐doped diamond allows voltammetric information relating to the relative roles played by the surface and the bulk metal to be obtained for the proton–hydrogen system at palladium surfaces which is not accessible using palladium macroelectrodes or microelectrodes.