Stimuli Responsive Ionogels for Sensing Applications - An Overview.
Kavanagh, Andrew and Byrne, Robert and Diamond, Dermot and Fraser, Kevin J. (2012) Stimuli Responsive Ionogels for Sensing Applications - An Overview. Membranes, 2 (1). pp. 16-39. ISSN 2077-0375
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This overview aims to summarise the exiting potential of “Ionogels” as a platform to develop stimuli responsive materials. Ionogels are a class of materials that contain an Ionic Liquid (IL) confined within a polymer matrix. Recently defined as “a solid interconnected network spreading throughout a liquid phase”, the ionogel therefore combines the properties of both its solid and liquid components. ILs are low melting salts that exist as liquids composed entirely of cations and anions at or around 100 0C. Important physical properties of these liquids such as viscosity, density, melting point and conductivity can be altered to suit a purpose by choice of the cation / anion. Here we provide an overview to highlight the literature thus far detailing the encapsulation of IL and responsive materials within these polymeric structures. Exciting applications in the areas of optical and electrochemical sensing, solid state electrolytes and actuating materials shall be discussed.
Keywords: Stimuli Responsive Polymers; Ionogels; Ionic Liquids; Hybrid Materials; Molecular Photoswitches; Solid State Electrolytes.
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