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논문 기본 정보

저자정보
(Faculty of Pure and Applied Sciences, University of Tsukuba) (Faculty of Pure and Applied Sciences, University of Tsukuba)
저널정보
한국광과학회 Rapid communication in photoscience : RCP Rapid communication in photoscience : RCP 제3권 제4호
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    초록·키워드

    We studied the characteristics of emissive state of the first (p-G1) and second (p-G2) generation of phenylacetylene dendrimers bearing stilbene as a core by using time-resolved fluorescence spectroscopy in cyclohexane (c-Hex) and N, N-dimethylformide (DMF), which are nonpolar and polar solvents, respectively. Time-dependent red-shift of emission spectra p-G2 both in c-Hex and DMF was observed in comparison with p-G1. Besides, the time constant of red-shift of spectra was found to be larger in DMF than in c-Hex. This indicates that the emissive state of p-G2 has a polar character in DMF as a result of charge delocalization from core to peripheral dendrons followed by stabilization of emissive state.

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