Free Volume as the Basis of Gas Solubility and Selectivity in Imidazolium-Based Ionic Liquids

Matthew S. Shannon, Jason M. Tedstone, Scott P. O. Danielsen, Michelle S. Hindman, A. Christopher Irvin, and Jason E. Bara, Industrial & Engineering Chemistry Research.  2012, 51, 5565-5576. doi:10.1021/ie202916e