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Terahertz split-ring metamaterials as transducers for chemical sensors based on conducting polymers: a feasibility study with sensing of acidic and basic gases using polyaniline chemosensitive layer

Drexler, Christoph ; Shishkanova, Tatiana V. ; Lange, Christoph ; Danilov, Sergey N. ; Weiss, Dieter ; Ganichev, Sergey ; Mirsky, Vladimir M.



Abstract

We report on the first application of terahertz metamaterials acting as transducers for chemical sensors based on conducting polymers. In our feasibility study aimed at sensing of gaseous hydrochloric and ammonia, a two-dimensional sensor metamaterial consisting of an array of split-ring resonators on the surface of undoped silicon wafer was prepared. The surface of the resonator was coated with ...

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