Planar Color Display Boards Detecting Local Environmental Changes
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초록
내용
Optical resonators based on stimuli-responsive insulator layer are used in sensing in biochemical environments, as the optical behavior responds with the environmental variations. The PNIPAm, due to its thermoresponsive properties, is used in chemical and biological sensing applications Here, we design stimuli-responsive insulator layer to create thermo-responsive metal−insulator−metal (MIM) resonators for color filters and superabsorbers. We synthesized cross-linkable poly(NIPAm-r-GMA) to form hydrogel thin films. The copolymer-sandwiched MIM device exhibited optimal optical response which could be controlled by the temperature of the aqueous environment. In biological and non-biological applications, the temperature of the environment could be precisely traced by observing the optical response. The MIM provide a new way to sense local environmental changes optically.