Surface-enhanced raman spectra of C2H2 and C2H4 adsorbed on silver colloid |
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| Authors: | K Manzel W Schulze M Moskvits |
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| Institution: | Fritz-Haber-Institut der Max-Planck-Gesellschaft, D-1000 Berlin 33, West Germany;Lash Miller Chemical Laboratories and Erindale College, University of Toronto, Toronto, Canada M5S 1A1 |
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| Abstract: | We report the surface-enhanced Raman spectra of ethylene and acetylene adsorbed on colloidal silver particles formed by gas aggregation and isolated at low temperatures in solid adsorbate/argon matrices. The spectra of both molecules exhibit modes which are normally Raman-forbidden. Excitation with several visible laser frequencies indicated that the degree of enhancement increased towards the blue. |
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