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Current–voltage modeling of graphene based DNA sensor

Graphene is considered as an excellent biosensing material due to its outstanding and unique electronic properties such as providing large area detection, ultra-high mobility and ambipolar field-effect characteristic. In this paper, general conductance model of DNA sensor-based graphene is obtained,...

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Bibliographic Details
Main Authors: Yusof, Rubiyah, Ahmadi, Mohammad Taghi, Feiz Abadi, H. Karimi, Eshrati, S. Maryam, Naghib, S. D., Rahmani, M., Ghadiri, M., Akbari, E.
Format: Article
Published: 2013
Subjects:
TK Electrical engineering. Electronics Nuclear engineering
Online Access:http://eprints.utm.my/id/eprint/40378/
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Summary:Graphene is considered as an excellent biosensing material due to its outstanding and unique electronic properties such as providing large area detection, ultra-high mobility and ambipolar field-effect characteristic. In this paper, general conductance model of DNA sensor-based graphene is obtained, and the electrical performance of nanostructured graphene-based DNA sensor is evaluated by the current–voltage characteristic. As a result, by increasing the complementary DNA concentration, the drain current is going toward higher amounts.

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