Comparison between SiMe2 and CMe2 Spacers as σ-Bridges for Photoinduced Charge Transfer

…, W Schuddeboom, LW Jenneskens…

Index: Van Walree, Cornelis A.; Roest, Martin R.; Schuddeboom, Wouter; Jenneskens, Leonardus W.; Verhoeven, Jan W.; Warman, John M.; Kooijman, Huub; Spek, Anthony L. Journal of the American Chemical Society, 1996 , vol. 118, # 35 p. 8395 - 8407

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Citation Number: 85

Abstract

The potential of dimethylsilylene and isopropylidene σ-spacers as bridges for photoinduced charge transfer (CT) in 4-cyano-4'-(dimethylamino)-and 4-cyano-4'-methoxy-substituted diphenyldimethylsilanes and 2, 2-diphenylpropanes was studied. Fluorescence solvatochromism and time-resolved microwave conductivity measurements show that upon photoexcitation a charge separated state (D+ σA-)* is populated in all compounds. Excited ...