4.5 Article

Theoretical Investigation on SERS of Pyridine Adsorbed on Cn Clusters Induced by Charge Transfer: A Hint that SERS Could be Applied on Many Materials

Journal

CHEMPHYSCHEM
Volume 13, Issue 6, Pages 1449-1453

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/cphc.201200058

Keywords

carbon clusters; charge transfer; density functional calculations; Raman spectroscopy; surface-enhanced Raman scattering

Funding

  1. National Synchrotron Radiation Laboratory of China [KY206014002]
  2. National Natural Science Foundation of China [21071137]

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The SERS spectra of pyridineCn (n=16) complexes are investigated theoretically. The obtained enhancement factors of about 102103 in the pre-resonance Raman spectrum calculations are attributed to charge-transfer transitions from the carbon clusters to pyridine, where a good match of band structures between substrates and probe molecules is essential.

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