Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2013-02-15

Fluorescence quenching of carbazole by 2-chloro-3,5-dinitrobenzotrifluoride-ethylamines intermolecular charge-transfer complex.

Eun-Mi Lee, Seon-Yeong Gwon, Young-A Son, Sung-Hoon Kim

Index: Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 103 , 453-5, (2013)

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Abstract

The interaction between carbazole and 2-chloro-3,5-dinitrobenzotrifluoride-ethylamines, (mono-, di-, and triethylamine) charge-transfer complex in DMSO was studied using fluorescence spectroscopy. The positive deviation from linearity has been observed in the Stern-Volmer plots. The experimental results showed that the fluorescence of carbazole was quenched by 2-chloro-3,5-dinitrobenzotrifluoride-ethylamines charge-transfer complex through a combined quenching procedure. The Stern-Volmer quenching constants, K(SV), have been determined and found to be greater quenching efficiency of ethylamine. Carbazole/2-chloro-3,5-dinitrobenzotrifluoride loaded PMMA film was exposed to ethylamine vapor, where the resulting absorption and emission changing properties were clearly monitored.Copyright © 2012 Elsevier B.V. All rights reserved.

Related Compounds

  • Carbazole

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