Thermo-responsive Gel Temperature Sensors Based on Changes in Optical Properties Induced by Phase Separation
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초록
내용
In this study, we propose thermo-responsive ion gels which provide thermal information as an optical way based on the changes in transmittance. For obtaining thermo-responsive ion gels, we designed a polymer gelator consisting of thermally sensitive and ionic liquid (IL)-insoluble domains. By adjusting molecular characteristics of the gelator, the detectable temperature can be tuned. In addition, we successfully fine-tuned the detectable temperature range by modulating the gel composition. Finally, the thermal properties of the resulting gels were analyzed in terms of dynamic responses, transmittance contrast, and cyclic stability.