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This study explores the synthesis of hexacoordinate polypyridyl silicon complexes, namely Si(bipy)3(PF6)4, Si(phen)3(PF6)4, and Si(terpyridine)2(PF6)4, alongside heteroleptic counterparts. The compounds exhibit intense visible light absorption, with electrochemical and optical characterization currently underway. Preliminary results indicate multiple reversible reduction peaks, highlighting their rich electrochemistry. The tunable optical properties and diverse oxidation states suggest promising applications in photochemistry, opening avenues for further research in this area.
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#44308-GB3 Synthesis and Photochemical Characterization of Hexacoordinate Silicon(diimine)3 Complexes P.I. Thomas A. Schmedake University of North Carolina – Charlotte Intense visible light absorption A series of hexacoordinate polypyridyl silicon complexes have been synthesized, including Si(bipy)3(PF6)4, Si(phen)3(PF6)4, Si(terpyridine)2(PF6)4, and some heteroleptic complexes including Si(phen)2(OMe)2(PF6)4, Si(bipy)2(OMe)2(PF6)4. The electrochemical and optical characterization of these ionic compounds is underway. So far most of the compounds have multiple reversible reduction peaks. The combination of tunable optical properties and rich electrochemistry suggests possiblity of using these compounds for photochemistry. Multiple accessible oxidation states
