1. 1. D. R. Macfarlane, M. Kar, and J. Pringle, “Fundamentals of Ionic Liquids”, 2017, Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Germany.
2. 2. L. E. Barrosse-Antle, A. M. Bond, R. G. Compton, A. M. O’Mahony, E. I. Rogers, and D. S. Silvester, Chem. Asian J., 2010, 5, 202.
3. 3. T. L. Greaves and C. J. Drummond, Chem. Rev., 2015, 115, 11379.
4. 4. P. Wasserscheid and W. Keim, Angew. Chem., Int. Ed., 2000, 39, 3773.
5. 5. R. Sheldon, Chem. Commun., 2001, 2399.