Tuning physical properties and mesomorphic structures in aqueous 1-ethyl-3-methylimidazolium octylsulfate rigid-gel with univalent salt doping Cabeza, O.; Segade, L.; Domínguez-Pérez, M.; Rilo, E.; García-Garabal, S.; Ausín, D.; Martinelli, A.; López-Lago, E.; Varela, L.M.; The Journal of Chemical Thermodynamics 2017, 112, 267-275