Study of Fluorescence Quenching of Coumarin Dye by Dimethyl Aniline In Binary Solvent Mixtures - A negative deviation

Authors

  • P. Bhavya  Department of Physics, New Horizon College of Engineering, Outer Ring Road, Marathalli, Bengaluru, Karnataka, India
  • Raveendra Melavanki  Department of Physics, M S Ramaiah Institute of Technology, Bengluru, Karnataka, India
  • Raviraj Kusanur  Department of Physics, R.V. College of Engineering, Bengluru, Karnataka,India

Keywords:

Fluorescence Quenching; Negative deviation; Coumarin derivatives; solvent mixtures

Abstract

Coumarin derivatives are extensively investigated in terms of their photo physical properties to understand excited state in regard to understand and innovate molecules. In this article we study steady state quenching of fluorescence of a coumarin derivative namely 3-Hydroxy-3-[2-oxo-2-(3-oxo-3H-benzo[f]chromen-2-yl)-ethyl]-1,3-dihydro-indol-2-one (3HBCD) in binary mixture of acetonitrile and 1,4 dioxane. Dimethylaniline is used as quencher. A negative deviation is seen with modest quencher concentration in the Stern-Volmer (S-V) plots. The quenching ability of Dimethylaniline in reference to aniline is more due to its higher ionization energies.

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IInternational Journal of Scientific Research in Computer Science, Engineering and Information Technology

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Published

2019-12-30

Issue

Volume 4, Issue 9, November-December-2019

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Research Articles

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How to Cite

[1]
P. Bhavya, Raveendra Melavanki, Raviraj Kusanur, " Study of Fluorescence Quenching of Coumarin Dye by Dimethyl Aniline In Binary Solvent Mixtures - A negative deviation" International Journal of Scientific Research in Computer Science, Engineering and Information Technology(IJSRCSEIT), ISSN : 2456-3307, Volume 4, Issue 9, pp.146-149, November-December-2019.