Add time:07/19/2019         Source:sciencedirect.com

FTIR (Fourier transformed infrared) spectra have been collected and analyzed for solutions of Lithium tetrafluoroborate (cas 14283-07-9) in propylene carbonate (PC), diethyl carbonate (DEC), and PC + DEC mixtures. It has been shown that the carbonyl stretch bands of PC and DEC, the ring of PC and the ether oxygen stretch bands of DEC are all very sensitive to the interaction between Li+ and the solvent molecules. New shoulders appear and the original bands split with the addition of LiBF4, indicating that a strong interaction between Li+ and molecules of PC and DEC exists through the oxygen group of CO and ring of PC and both CO oxygen and ether oxygen atoms of DEC. In addition, no preferential solvation of Li+ in LiBF4/PC + DEC solutions was detected.

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