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Intermolecular hydrogen bonds fluorescence quenching

The fluorescence quenching observed for 28-29 was explained by a model that assumes excited-state protonation of the pyridine nitrogen atom, followed by the twisting of the pyridyl group. A model was proposed that involves a sequence of processes occurring in a photoexcited, intermolecularly hydrogen-bonded complex [57] (i) electron density flow from the donor (pyrrole/indole) onto the acceptor... [Pg.61]

N. Mataga and Y. Kaifu, Intermolecular proton transfer in the excited hydrogen-bonded complex in nonpolar solvent and fluorescence quenching due to hydrogen bonding, J. Phys. Chem. 36, 2804-2805 (1962). [Pg.56]

See other pages where Intermolecular hydrogen bonds fluorescence quenching is mentioned: [Pg.340]    [Pg.683]    [Pg.197]    [Pg.16]    [Pg.650]    [Pg.3504]    [Pg.3505]    [Pg.56]    [Pg.262]    [Pg.22]    [Pg.41]    [Pg.257]    [Pg.59]    [Pg.9]    [Pg.215]    [Pg.345]    [Pg.257]   
See also in sourсe #XX -- [ Pg.432 , Pg.433 ]



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Intermolecular bonding

Intermolecular bonding bonds

Intermolecular bonding hydrogen bonds

Intermolecular bonds

Quenching intermolecular

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