Solvent Effect Profiles of Absorbance and Fluorescence Spectra of Some Indole Based Chalcones

The photophysical properties of a series of 3-(1′ H -Indol-3′-yl)-1-phenylprop-2-en-1-one and its derivatives (indole chalcones) were studied in different solvents. Solvent effects on the absorption and fluorescence spectra were quantified using Reichardt’s and bulk solvent polarity parameters and w...

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Bibliographic Details
Published inJournal of fluorescence Vol. 21; no. 6; pp. 2213 - 2227
Main Authors Saroj, Manju Kumari, Sharma, Neera, Rastogi, Ramesh C.
Format Journal Article
LanguageEnglish
Published Boston Springer US 01.11.2011
Subjects
Analytical Chemistry
Biochemistry
Biological and Medical Physics
Biomedical and Life Sciences
Biomedicine
Biophysics
Biotechnology
Chalcones - chemistry
Indoles - chemistry
Molecular Structure
Original Paper
Solvents - chemistry
Spectrometry, Fluorescence
Stereoisomerism
Onsager radius
Solvatochromism
Polarity
Dipole moment
Excited state
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Summary:The photophysical properties of a series of 3-(1′ H -Indol-3′-yl)-1-phenylprop-2-en-1-one and its derivatives (indole chalcones) were studied in different solvents. Solvent effects on the absorption and fluorescence spectra were quantified using Reichardt’s and bulk solvent polarity parameters and were complemented by the results of the Kamlet-Taft treatment. The observed excited state dipole moment was found to be larger than the ground state dipole moment of these chalcones. The correlation of the solvatochromic Stokes-shifts with the microscopic solvent polarity parameter ( ) was found to be superior to that obtained using bulk solvent polarity functions.
Bibliography:ObjectType-Article-1
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ISSN:1053-0509
1573-4994
DOI:10.1007/s10895-011-0926-z