DOI: 10.14704/nq.2022.20.5.NQ22571
Linear Optical Properties of Nile BlueDye Dissolved in Different Solvents
Rajaa K. Khleif1, Talib M. Abbas
Abstract
In the presentwork, the optical properties and absorption spectrumof laser Nile blue dye(NB) dissolved in
different solvents (distilled water, ethanol, methanol) at different concentrations were studied.The
results showed that increasing the concentrations leads to an increase in the absorbance and a decrease
in transmittance for the prepared sample, and thus an increase in the linear optical properties (linear
absorption and refraction coefficients, respectively).When comparing the three solvents and their impact
on the absorption of thedye, noted that the absorbance values for methanol are much greater it is in
ethanol and water. These differences are due to the different properties of the solvent in terms of
polarity and hydrogen bonding ability.
Keywords
Solvents, Nile Blue Dye, linear optical properties
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