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Detection of single-stranded DNA using the Dirac voltage change of graphene-based FETs
- Authors
- Yi, Jong-chang; J.C.; Kim, Young-june; Y.J.; Kim, Yi-young; Y.Y.; Lee; S.; Woo; D.H.; Kim; C.
- Issue Date
- 2019
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- chemical sensor; Dirac point; DNA sensor; functionalization; graphene; single-stranded DNA
- Citation
- IEEE Region 10 Annual International Conference, Proceedings/TENCON, v.2019-October, pp.2051 - 2053
- Volume
- 2019-October
- Start Page
- 2051
- End Page
- 2053
- ISSN
- 2159-3442
- Abstract
- This paper deals with single-stranded DNA detection using Dirac point changes in a graphene-based FET device. The device utilized a shadow mask to minimize contamination of the graphene surface due to photoresist when depositing source/drain electrodes. Thereafter, micro-scale graphene channels were formed by dry etching. As single-stranded DNA was adsorbed on the graphene surface of the fabricated device, it showed an efficient Dirac voltage shift up to 10V. © 2019 IEEE.
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Related Researcher
- Yi, Jong Chang
- Engineering (Electronic & Electrical Engineering)