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Photoresistivity and optical switching of graphene with DNA lattices

Cited 3 time in Web of Science Cited 4 time in Scopus
Authors
Kulkarni, Atul; Amin, Rashid; Kim, Hyeongkeun; Hong, Byung Hee; Park, Sung Ha; Kim, Taesung
Issue Date
2012-05
Citation
Current Applied Physics, Vol.12 No.3, pp.623-627
Keywords
DNASelf-assemblyLatticeGraphenePhotoresistivityOptical switch
Abstract
We present the photon induced conductivity of 2D DNA lattices with and without graphene and demonstrate the switching current responses controlled by light irradiation. The conductivity in the DNA lattices with protein streptavidin controlled by blue and white lights shows significant enhancement with the addition of graphene. An optical pulse response of a graphene immobilized DNA lattice is encouraging and may lead to various bio-sensing applications such as immunological assays, DNA forensics, and toxin detection. (C) 2011 Elsevier B. V. All rights reserved.
ISSN
1567-1739
URI
https://hdl.handle.net/10371/172186
DOI
https://doi.org/10.1016/j.cap.2011.09.007
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College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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