Abstract
Room-temperature ionic liquid (RTIL), N-methyl-N-propylpyrrolidinium bis(trifluoromethanesulfonyl)imide ([P13][Tf2N]) have been used as polar solvent to form nonaqueous reverse micelle (RMs) with benzene by the aid of cationic surfactant BHDC. Dynamic light scattering (DLS) revealed the formation of the RTIL reverse micelle. Pulsed-field gradient spin echo NMR have been studied to measure the diffusion coefficients of neat [P13][Tf2N] and [P13][Tf2N] in reverse micelle which indicate RTIL containing reverse micelle is formed. Moreover, studies on solvent and rotational relaxation have been investigated in [P13][Tf2N]/BHDC/benzene RMs using steady-state and time-resolved fluorescence spectroscopy using coumarin 480 (C-480) fluorescence probe with variation of RTIL contents RMs.
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