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- W2500396311 abstract "Absorption and fluorescence spectra of silane high polymers and their solution phase behavior suggest that the states giving rise to these spectra are delocalized over a substantial portion of the molecule. We have studied both the fluorescence and phosphorescence of silane high polymers with a variety of substituents. In contrast to the quite narrow, line-like fluorescence, the phosphorescence emission is broad and exhibits vibrational fine structure. Furthermore, the wavelength of the band origin of phosphorescence is not particularly sensitive to substituent structure, molecular weight, or degree of crystallinity. The fluorescence band origin depends markedly on these factors. The difference in behavior between fluorescence and phosphorescence suggests that the states giving rise to phosphorescence are quite localized while those responsible for fluorescence are delocalized along the chains. The emission yields and structure suggest that the immediate precursor to photochemistry is the triplet." @default.
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- W2500396311 date "1987-11-30" @default.
- W2500396311 modified "2023-09-27" @default.
- W2500396311 title "Emission Spectra of Polysilylenes" @default.
- W2500396311 doi "https://doi.org/10.1021/bk-1987-0358.ch035" @default.
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