Journal of Physics D: Applied Physics, ( ISI ), Volume (50), No (15), Year (2017-3) , Pages (155301-155310)

Title : ( Optical study of Xanthene type dyes in nano-confined liquid )

Authors: , khalil alizadeh , Soheil SHarifi , Othmar Marti , Masoud Amirkhani ,

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The optical activity of dye molecules in different environments is of great interest for many applications such as laser system or biological imaging. We investigate the fluorescence and absorption spectrum of nano-confined Xanthene dyes (Rhodamine B and Fluorescein sodium salt) in a two-phase liquid. Each shows very distinct optical behavior in the water phase of a reverse microemulsion. Their optical properties such as absorption and fluorescence for different dye and nanodroplets concentration are investigated. We show that for the same concentration of dye in the microemulsion the peak of fluorescence intensity is varied by altering the concentration of nanodroplets. However, the trend of the change is widely different depending on the hydrophobicity of dyes. Quantum–mechanical second order perturbation theory is used to calculate the ratio of dipole moments in the ground and exacted states, which accounts for Stokes shift of fluorescence peak. Photon correlation spectroscopy is employed to check the trace of dye in the oil phase of the microemulsion


, Fluorescnce, Absorption, Spectroscopy, Dyes, Microemulsion, Encapsulation
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author = {, and Alizadeh, Khalil and SHarifi, Soheil and Othmar Marti and Masoud Amirkhani},
title = {Optical study of Xanthene type dyes in nano-confined liquid},
journal = {Journal of Physics D: Applied Physics},
year = {2017},
volume = {50},
number = {15},
month = {March},
issn = {0022-3727},
pages = {155301--155310},
numpages = {9},
keywords = {Fluorescnce; Absorption; Spectroscopy; Dyes; Microemulsion; Encapsulation},


%0 Journal Article
%T Optical study of Xanthene type dyes in nano-confined liquid
%A ,
%A Alizadeh, Khalil
%A SHarifi, Soheil
%A Othmar Marti
%A Masoud Amirkhani
%J Journal of Physics D: Applied Physics
%@ 0022-3727
%D 2017