ICCAS OpenIR
A biosensor based on graphene nanoribbon with nanopores: a first-principles devices-design
Ouyang Fang-Ping1,2; Peng Sheng-Lin1; Zhang Hua1; Weng Li-Bo1; Xu Hui1
2011-05-01
Source PublicationCHINESE PHYSICS B
ISSN1674-1056
Volume20Issue:5
AbstractA biosensor device, built from graphene nanoribbons (GNRs) with nanopores, was designed and studied by first-principles quantum transport simulation. We have demonstrated the intrinsic transport properties of the device and the effect of different nucleobases on device properties when they are located in the nanopores of GNRs. It was found that the device's current changes remarkably with the species of nucleobases, which originates from their different chemical compositions and coupling strengths with GNRs. In addition, our first-principles results clearly reveal that the distinguished ability of a device's current depends on the position of the pore to some extent. These results may present a new way to read off the nucleobases sequence of a single-stranded DNA (ssDNA) molecule by such GNRs-based device with designed nanopores
KeywordGraphene Nanoribbon Nanopores Dna Sequencing First-principles
DOI10.1088/1674-1056/20/5/058504
Indexed BySCI
Language英语
WOS IDWOS:000290665200077
PublisherIOP PUBLISHING LTD
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/73648
Collection中国科学院化学研究所
Corresponding AuthorXu Hui
Affiliation1.Cent S Univ, Sch Phys Sci & Technol, Changsha 410083, Hunan, Peoples R China
2.Peking Univ, Coll Chem & Mol Engn, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Ouyang Fang-Ping,Peng Sheng-Lin,Zhang Hua,et al. A biosensor based on graphene nanoribbon with nanopores: a first-principles devices-design[J]. CHINESE PHYSICS B,2011,20(5).
APA Ouyang Fang-Ping,Peng Sheng-Lin,Zhang Hua,Weng Li-Bo,&Xu Hui.(2011).A biosensor based on graphene nanoribbon with nanopores: a first-principles devices-design.CHINESE PHYSICS B,20(5).
MLA Ouyang Fang-Ping,et al."A biosensor based on graphene nanoribbon with nanopores: a first-principles devices-design".CHINESE PHYSICS B 20.5(2011).
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