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Surface-enhanced resonance raman-spectroscopy of sulfonated copper phthalocyanine at a silver electrode

McConnell, A.A. and Nimmo, J.A. and Smith, W.E. (1989) Surface-enhanced resonance raman-spectroscopy of sulfonated copper phthalocyanine at a silver electrode. Journal of Raman Spectroscopy, 20 (6). pp. 375-380. ISSN 0377-0486

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Abstract

The Raman spectrum of sulphonated copper phthalocyanine on a silver electrode surface is reported for four excitation wavelengths in the Q-band region at voltages between +0.6 and -0.6 V (vs SCE). SERS activity is observed and the bonding and orientation of the surface species are voltage dependent and are inferred from a vibrational analysis. Maximum scattering intensity is observed at -0.2 V (vs SCE) and is attributed to molecules bonded edge-on to the surface through SO3- groups.