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Synlett 1993; 1993(6): 375-385
DOI: 10.1055/s-1993-22462
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Homogeneous and Heterogeneous Synthesis of Redox Polymers and Copolymers of [M(4-Vinyl-4′-methyl-2,2′-bipyridine)3](PF6)2 (M = Ru, Os)

S. L. Bommarito* , S. P. Lowery-Bretz, H. D. Abruna
  • *Department of Chemistry, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, USA
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Publication Date:
19 March 2002 (online)

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We have prepared, via free radical polymerization, soluble redox polymers and copolymers of [M(vbpy)3(PF6)2] (M = Ru, Os) (vbpy = 4-vinyl,4′-methyl-2,2′-bipyridine), fractionated them according to molecular weight and have characterized the fractions electrochemically as well as spectroscopically. The properties of these polymers are compared to those prepared by electroinitiated polymerization on an electrode surface. The results point to fundamental differences between solution (homogeneous) polymerization and (heterogeneous) electropolymerization. 1. Introduction 2. Experimental/synthesis 3. Homopolymers 3.1 Electrochemical characterization 3.2 Transport studies 3.3 Uv-vis spectra 3.4 Luminescence spectra 4. Copolymers 4.1 Electrochemical characterization 4.2 Uv-vis spectra 4.3 Luminescence spectra 5. Conclusions