Zobrazeno 1 - 10
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pro vyhledávání: '"Sneh K. Dogra"'
Autor:
Sneh K. Dogra
Publikováno v:
Journal of Luminescence. 118:45-60
Spectral characteristics of 2-(4′-amino-3-pyridyl)benzimidazole (4-A3PyBI) have been studied in different solvents, as well as at different acid or base concentrations using absorption, fluorescence excitation and fluorescence spectroscopy. Excited
Autor:
Sneh K. Dogra
Publikováno v:
Journal of Luminescence. 114:101-117
Absorption, fluorescence excitation and fluorescence spectroscopy, combined with time-dependent spectroscopy and semi-empirical (AM1) and density functional theory using Gaussian 98 program calculations have been used to study the effects of solvent
Autor:
Sneh K. Dogra
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 172:196-206
Excited state intramolecular proton transfer (ESIPT) process has been studied in the monoanionic and monocationic species of 2-(2′-amino-3-pyridyl)benzimidazole (2-A3PyBI) in aqueous and organic solvents. Dual fluorescence is observed from monocati
Autor:
Sneh K. Dogra
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 172:185-195
Spectral characteristics of 2-(3′,5′-diaminophenyl)benzothiazole (3,5-DAPBT) have been studied in different solvents and H 0 /pH/ H range of −10 to 16. Increase in Stokes shifts observed with increase in polarity of solvents is due to increase
Excited state prototropism in 2-aminonicotinic acid: effect of solvents and acid–base concentrations
Autor:
Sneh K. Dogra, Manoj K. Nayak
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 171:281-290
Absorption, fluorescence excitation and fluorescence spectroscopy combined with time-dependent spectrofluorimetry have been used to study the effect of solvents and acid–base concentration on the spectral characteristics of 2-aminonicotinic acid (2
Autor:
Manoj K. Nayak, Sneh K. Dogra
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 171:9-20
Spectral characteristics of the prototropic species of 2-(3′-aminophenyl)pyrido [3,4-d]imidazole (3-APPI) have been studied in three non-aqueous and aqueous solvents, using absorption, fluorescence excitation and fluorescence spectroscopy, as well
Autor:
M.K. Nayak, Sneh K. Dogra
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 61:1247-1257
Absorption, fluorescence and fluorescence excitation spectroscopy and single photon counting time dependence spectrofluorimetry have been used to study the inter- and intramolecular excited state proton transfer (ESIPT) reactions in 2-hydroxy-9H-carb
Autor:
Sneh K. Dogra
Publikováno v:
Journal of Molecular Structure. 737:189-199
Spectral characteristics of 2-hydroxynicotinic acid (2-HNA) have been studied using absorption, fluorescence and fluorescence excitation spectroscopy and time dependent single photon counting spectrofluorimetry. Electronic structure calculations were
Autor:
Manoj K. Nayak, Sneh K. Dogra
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 170:203-213
Absorption, fluorescence excitation and fluorescence spectroscopy, combined with time-dependent spectroscopy and semi-empirical AM1 and density functional theory using Gaussian 98 program calculations have been used to study the effect of solvent and
Autor:
Sneh K. Dogra
Publikováno v:
Journal of Molecular Structure. 734:51-60
Absorption, fluorescence and fluorescence excitation spectroscopy and time dependent fluorimetry have been used to study the spectral characteristics of 2-(2′-hydroxy-3′-pyridyl)benzimidazole (2-H3PyBI) in different solvents and at different acid