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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Flexible and Electrically Tunable Plasmons in Graphene–Mica Heterostructures
Flexible plasmonic devices with electrical tunability are of great interest for diverse applications, such as flexible metamaterials, waveguide transformation optics, and wearable sensors. However, the traditional flexible metal–polymer plasmonic structures suffer from a lack of electrical tunability. Here the first flexible, electrically tunable, and strain‐independent plasmons based on graphene–mica heterostructures are experimentally demonstrated. The resonance frequency, strength, quality factor, electrical tunability, and lifetime of graphene plasmons exhibit no visible change at bending radius down to 1 mm and after 1000 bending cycles at a radius of 3 mm. The plasmon‐enhanced infrared spectroscopy detection of chemicals is also demonstrated to be unaffected in the flexible graphene–mica heterostructures. The results provide the basis for the design of flexible active nanophotonic devices such as plasmonic waveguides, resonators, sensors, and modulators.
Flexible and Electrically Tunable Plasmons in Graphene–Mica Heterostructures
Flexible plasmonic devices with electrical tunability are of great interest for diverse applications, such as flexible metamaterials, waveguide transformation optics, and wearable sensors. However, the traditional flexible metal–polymer plasmonic structures suffer from a lack of electrical tunability. Here the first flexible, electrically tunable, and strain‐independent plasmons based on graphene–mica heterostructures are experimentally demonstrated. The resonance frequency, strength, quality factor, electrical tunability, and lifetime of graphene plasmons exhibit no visible change at bending radius down to 1 mm and after 1000 bending cycles at a radius of 3 mm. The plasmon‐enhanced infrared spectroscopy detection of chemicals is also demonstrated to be unaffected in the flexible graphene–mica heterostructures. The results provide the basis for the design of flexible active nanophotonic devices such as plasmonic waveguides, resonators, sensors, and modulators.
Flexible and Electrically Tunable Plasmons in Graphene–Mica Heterostructures
Hu, Hai (Autor:in) / Guo, Xiangdong (Autor:in) / Hu, Debo (Autor:in) / Sun, Zhipei (Autor:in) / Yang, Xiaoxia (Autor:in) / Dai, Qing (Autor:in)
Advanced Science ; 5
01.08.2018
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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