Polymer-electrolyte gated graphene transistors for analog and digital phase detection
作者： Adarsh Sagar , Kannan Balasubramanian , Marko Burghard , Klaus Kern , Roman Sordan
DOI: 10.1063/1.3615247
关键词: Nanoelectronics 、 Carbon nanotube 、 Field-effect transistor 、 Transistor 、 Bilayer graphene 、 Optoelectronics 、 Phase detector 、 Graphene 、 Phase (waves) 、 Analytical chemistry 、 Materials science
摘要: We present an alternating current (ac) circuit based on a misoriented bilayer graphene device for analog and digital phase detection. exploit the ambipolar nature of transfer characteristics transistor. The transistor action here is realized using electrochemical gate integrated into solid polymer electrolyte layer. This unique combination provides voltage gain close to unity under ambient conditions, which one order magnitude higher than that attainable in back-gated devices. achieved sufficient sensitivity detect differences between pairs or signals.
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