ESIPT reaction starting from S2 and S3 singlet states in 3-hydroxyflavone |
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Authors: | V I Tomin R Jaworski |
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Institution: | (1) Institute of Physics, Pomeranian University, 76-200 Słupsk Arciszewskiego, Poland |
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Abstract: | Spectra fluorescence at excitation of emission within
spectral intervals of S3, S2 and S1 bands of absorption, and excitation at
registration of fluorescence at maxima of blue and green bands of emission
have been studied in 3-hydroxyflavone solution. A possibility of ESIPT
reaction starting from S3 and S2 states of parent 3HF molecule was shown for
the first time follows from observations of differences in excitation spectra
of normal and tautomer forms of 3HF, and from different ratios of
these forms intensities upon excitation in different ranges of UV spectra of
absorption. |
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Keywords: | |
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