Abstract
Newer imidazolium bromide compound was prepared by reacting 1-methyl imidazole and 2-bromo-1-(naphthalen-2- yl)ethanone under microwave irradiation. The structure of the imidazolium compound was confirmed by spectral analysis, further photophysical, solvatochromic, and thermal properties were investigated. The Lippert-Mataga plot and solvent polarity empirical parameter ET(30) were used to examine solvent dependent optical properties of imidazolium compounds with a range of solvents with varying polarities. The thermal stability and phase behavior were studied by TGA and DSC analysis with a heating rate of 10 deg min-1 . DFT computation was performed to get the optimized molecular orbitals and HOMO - LUMO energies.
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