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Chemical State of Adsorbed Sulfur on Pt Nanoparticles
Author(s) -
Park InSu,
Xu Bolian,
Atienza Dianne O.,
HofsteadDuffy Augusta M.,
Allison Thomas C.,
Tong YuYe J.
Publication year - 2011
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.201000998
Subject(s) - sulfur , adsorption , density functional theory , ab initio , chemistry , sulfide , raman scattering , nanoparticle , raman spectroscopy , computational chemistry , electrochemistry , nanotechnology , materials science , organic chemistry , physics , electrode , quantum mechanics
The chemical state of adsorbed sulfur (S) on a Pt surface was identified and investigated by a combination of detailed electrochemical (EC) measurements, in situ surface enhanced Raman scattering (SERS) and ab initio density functional theory (DFT) calculations. The SERS data of the adsorbed S coupled with the DFT calculations provide the first convincing evidence showing that the adsorbed sulfur is in a sulfide (S 2− ) state.