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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

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Raman-scattering of alpha-copper phthalocyanine and other complexes formed at a silver surface using a compacted electrode

Bovill, A.J. and McConnell, A.A. and Nimmo, J.A. and Smith, W.E. (1985) Raman-scattering of alpha-copper phthalocyanine and other complexes formed at a silver surface using a compacted electrode. Surface Science, 158 (1-3). pp. 333-340. ISSN 0039-6028

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A novel compacted electrode technique is used to obtain a layer of the insoluble pigment α-copper phthalocyanine on a silver surface. Electrochemical treatment improves the signal to noise ratio of the Raman spectrum of the phthalocyanine at the surface and a selective enhancement of some bands indicates a SERS effect as well as resonance. Silver phthalocyanine can be synthesised at a silver surface using compacted electrodes of silver and either metal-free phthalocyanine or o-phthalonitrile. The formation of the layer of complex at the surface can be observed by Raman spectroscopy. The method was extended to a non-phthalocyanine system using a silver/bipyridyl compacted electrode, which gave a detectable layer of a silver bipyridyl complex at the electrode surface and a solution of a soluble silver bipyridyl complex. This combination of a compacted electrode and Raman spectroscopy appears ideal for the synthesis and characterization of a range of transition-metal complex/metal surfaces.