Enhanced sensitivity of a microfabricated resonator using a graphene-polystyrene bilayer membrane
作者： Minhyuk Yun , Eunho Lee , Kilwon Cho , Sangmin Jeon
DOI: 10.1063/1.4893741
关键词:
摘要: A graphene layer was synthesized using chemical vapor deposition methods and a polystyrene solution spin-cast onto the film. The graphene-polystyrene bilayer membrane attached between two tines of microfabricated quartz tuning fork (QTF). modulus measured to be twice that pristine membrane. Exposure membrane-coated QTF ethanol decreased resonance frequency microresonator. produced change three times obtained QTF, with lower degree degradation in Q factor. limit detection determined 20 ppm.
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