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Surface enhanced Raman scattering of pyridazine molecule:absorption configuration and enhancementmechanism via bond polarizabilities

Fang Chao Wu Guo-Zhen

Surface enhanced Raman scattering of pyridazine molecule:absorption configuration and enhancementmechanism via bond polarizabilities

Fang Chao, Wu Guo-Zhen
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Publishing process
  • Received Date:  23 March 2010
  • Accepted Date:  02 May 2010
  • Published Online:  15 March 2011

Surface enhanced Raman scattering of pyridazine molecule:absorption configuration and enhancementmechanism via bond polarizabilities

  • 1. (1)Institute of Nuclear and New Energy Technology,Tsinghua University,Beijing 100084,China; (2)Molecular and Nano Sciences Laboratory,Department of Physics,Tsinghua University,Beijing 100084,China

Abstract: The temporal molecular bond polarizabilities of pyridazine molecule absorbed on Ag electrode were explored from its surface enhanced Raman intensities, showing that the two nitrogen atoms are the absorption sites and the enhancement is dominated by the charge transfer mechanism. The behaviors of the charges on the skeletal bonds were demonstrated under various applied voltages, which shows the conjugation effect. This algorithm is universal for the surface systems as long as their Raman spectra are available.

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