The Numerical Modeling for Electrical Behavior of Graphene Nanoribbon in the Present of Optical Detector

Subject Areas : Electronics Engineering

M Berahman ¹ (Islamic Azad University, Bushehr branch, Bushehr, Iran)
A.R Malahzadeh ² (Islamic Azad University, Bushehr branch, Bushehr, Iran)

Received: 2021-05-21 Accepted : 2021-05-21 Published : 2017-11-22

Keywords:

Abstract :

a physical model is presented for GNR based photodetector. The photodetector structure is a photodiode in which GNR is inserted between two electrodes as a tool for changing the pick frequency of absorption.  Optical properties of GNR discussed using tight-binding approximation and DOS coupled with conductivity. Our calculations have shown that GNR based photodetectors have better characteristics than semiconductor devices and they have appropriate characteristics for communication applications.  

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The Numerical Modeling for Electrical Behavior of Graphene Nanoribbon in the Present of Optical Detector