Luminescence Spectral Changes of Solid EuCl3•6H2O Under N, N–Dimethylformamide and Methanol Vapors
Janice B. Rabor, Toshifumi Yoshidome, Tatsuya Mitsushio, Keisuke Yoshida, Brian J. Sarno, Morihide Higo
International Research Journal of Pure and Applied Chemistry · pp. 159–181 · Published 11 Jun 2013
10.9734/IRJPAC/2013/3442Abstract
Luminescence spectral changes of solid EuCl3·6H2O in the presence of N, N–dimethylformamide (DMF) and methanol (MeOH) vapors were studied. Difference spectra and 2 dimensional correlation spectra obtained from luminescence spectra were used to determine base components of the luminescence bands, and band intensities were obtained using deconvolution procedure with curve fitting technique. Spectral changes were explained using relative intensities of bands. Luminescence spectra under DMF and MeOH vapor solvents showed considerable spectral changes in 5D0→7F1 region which were not observed in the corresponding liquid solutions. Significant spectral changes were observed on deliquescence under MeOH vapor, but small under DMF vapor. The spectrum in solid state under MeOH vapor became closer in feature to that in MeOH solution after the deliquescence, but that under DMF vapor did not to that in DMF solution. The difference was explained in terms of Cl- behavior. The effect of phase change caused by deliquescence was small.
Cited by 2
S G Itankar, M P dandekar, S S Rewatkar · Journal of Physics: Conference Series · 2021
Z. Trabelsi, M. Dallel, H. Salhi · Physics and Chemistry of Liquids · 2014
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