Humidity-responsive molecular gate-opening mechanism for gas separation in ultraselective nanocellulose/IL hybrid membranes
Saravanan Janakiram, Luca Ansaloni, Soo-Ah Jin, Xinyi Yu, Zhongde Dai, Richard J. Spontak, Liyuan Deng
Abstract
A class of “green” hybrid membranes composed of nanocellulose and an ionic liquid exhibits exceptional separation properties arising from a humidity-responsive size-exclusive “gate” that allows selective CO<sub>2</sub> permeation.
Topics & Concepts
NanocelluloseMembranePermeationMaterials scienceChemical engineeringGas separationHumidityIonic liquidPolymer chemistryNanotechnologyCelluloseChemistryOrganic chemistryCatalysisBiochemistryEngineeringPhysicsThermodynamicsMembrane Separation and Gas TransportIonic liquids properties and applicationsSupercapacitor Materials and Fabrication