Figure 1.
Chemical structures of tetraoctylphosphonium tetracyanoborate ([P8888][B(CN)4]) (top) and tetra(propoxymethyl)phosphonium tetracyanoborate ([P(3O1)4][B(CN)4]) (bottom), the two ILs used in this study.
Chemical structures of tetraoctylphosphonium tetracyanoborate ([P8888][B(CN)4]) (top) and tetra(propoxymethyl)phosphonium tetracyanoborate ([P(3O1)4][B(CN)4]) (bottom), the two ILs used in this study.