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1) Advanced Materials & Nanotech 2) Homogeneous and heterogeneous catalysis 3) Water purification 4) Renewable Energies 5) Semiconductor Surface Modification 6) Thin Film preparation and Characterization

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  • Tuesday, January 1, 1991
  • Preparation and characterization of poly(siloxane)-supported metalloporphyrins: the effect of the support on the electronic absorption spectra
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  • H. S. Hilal*, M.L.Sito and F.A.Schreiner,  Inorg. Chim. Acta, 189(1991)141-144.


    Preparation and characterization of several supported metalloporphyrins are known, and have been evaluated as electrocatalysts for redoxreactions [l-6]. The support used was either the electrode itself or a polymer coating modification of the electrode surface. Modified organic polymer surfaces have also been reported as supports for metalloporphyrins [7, 81. In our search for new supported catalysts for olefin oxidation reactions, we have employed halogenated poly(siloxane) surfaces [9a] Sil-(CH&X, as supports for the metalloporphyrin catalyst, [Mn”‘(TPyP)]. Quatemization reactions have been used to bind the [Mn’n(TPyP)] species to the surface [9b]. We now report our studies of the effect of support on the electronic absorption spectra of several supported metalloporphyrins [M(TPyP)].

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Hikmat S. Hilal
Organometallics (organic and inorganic), Materials, Catalysis, Semiconductors, Photoelectro-chemistry
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