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                            Library & Multimedia
 Surface-enhanced Raman spectroscopy of indanthrone and flavanthrone
NCJ Number
              304164
Journal

*Journal of Raman Spectroscopy* Volume: 40 Issue: 11 Dated: 2009 Pages: 1557-1563
Author(s)
          Jingjing Chang;
                        et al
Date Published

2009
Length
              7 pages
Annotation
              This study obtained the normal Raman and surface-enhanced Raman scattering (SERS) spectra of flavanthrone and indanthrone at several excitation wavelengths.
Abstract
              The spectral assignments were aided by density functional calculations. Since both molecules have very high symmetry (C2h) including a center of inversion, the researchers expected that the modes of u symmetry would be forbidden in the normal Raman spectrum; however, proximity to the surface caused special SERS enhancement of several of the bu modes, along with somewhat weaker enhancement of the au and bg modes. (publisher abstract modified)
      
  
          Additional Details
Grant Number(s)
        2006-DN-BX-K034


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Award
        Development of Advanced Raman Spectroscopy Methods and Databases for the Evaluation of Trace Evidence and the Examination of Questioned Documents
    
  
  
Date Published: January 1, 2009
    
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