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- W2020071722 abstract "The absorption and emission spectra of pyrene substituted tri- and hexa-silanes are reported. σ (SiSi)→π*(pyrene) charge-transfer fluorescence is observed for 1-(1-pyrenyl) tridecamethylhexasilane but not for 1-(1-pyrenyl) hepta-methyltrisilane. This is explained by the difference in oxidation potential of the tri- and hexa-silane chain. The emission of the bichromophoric systems 1,6-di (1-pyrenyl) dodecamethylhexasilane and 1-(4-N,N-dimethylanilino)-6-(1-pyrenyl) dodecamethylhexasilane is mainly determined by the σ→π* charge transfer. 1,3-di-(1-pyrenyl) hexamethylhexasilane and 1-(4,N,N-dimethylanilino)-3-(1-pyrenyl) hexamethyltrisilane show respectively excimer and exciplex emission." @default.
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- W2020071722 date "1991-11-01" @default.
- W2020071722 modified "2023-09-26" @default.
- W2020071722 title "Fluorescence behaviour of pyrene substituted tri- and hexa-silanes" @default.
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- W2020071722 doi "https://doi.org/10.1016/0009-2614(91)90453-g" @default.
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