Fluorescence spectrum analysis using Fourier series modeling for Fluorescein solution in Ethanol

Details Fluorescence spectrum analysis using Fourier series modeling for Fluorescein solution in Ethanol Fluorescence spectrum analysis using Fourier series modeling for Fluorescein solution in Ethanol

2011-08-22

arxiv.org/abs/1109.1458v1

Atti Della "Fondazione Giorgio Ronchi" Anno LXVI, 2011 - N. 2

Physics

Chemical Physics

Scientific paper

We have measured the fluorescence spectrum for fluorescein solution in ethanol with concentration 1 {\times} 10-3 mol/liter at different temperatures from room temperature to freezing point of solvent, (T = 153, 183, 223, 253, and 303 K) using liquid nitrogen. Table curve 2D version 5.01 program has been used to determine the fitting curve and fitting equation for each fluorescence spectrum. Fourier series (3 {\times} 2) was the most suitable fitting equation for all spectra. Theoretical fluorescence spectrum of fluorescein in ethanol at T = 183K was calculated and compared with experimental fluorescence spectrum at the same temperature. There is a good similarity between them.

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