Small Angle Neutron Scattering Measurements were carried out at room temperature on SANS2D instrument at the ISIS Pulsed Neutron and Muon Source, UK (RB1920676)
Differential scanning calorimetry (DSC) measurements to determine the melting/transition temperature of the neat DES were carried out on a TA Instruments DSC-Q20 differential scanning calorimeter.  
The viscosity of the DES was measured using a TA Instruments HR-3 Discovery  Hybrid  Rheometer operating in flat plate geometry with Peltier temperature control. Room temperature viscosity data for the DES was obtained for applied shear rate ranging from 0.1−100 1/s at 25C the temperature sweep data was measured at shear rate of 1 1/s for temperature ranging from−10C to 40C.