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Title: Real-time DNA detection using Pt nanoparticle-decorated reduced graphene oxide field-effect transistors
Authors: Yin, Zongyou
He, Qiyuan
Huang, Xiao
Zhang, Juan
Wu, Shixin
Chen, Peng
Lu, Gang
Chen, Peng
Zhang, Qichun
Yan, Qingyu
Zhang, Hua
Issue Date: 2012
Source: Yin, Z., He, Q., Huang, X., Zhang, J., Wu, S., Chen, P., et al. (2012). Real-time DNA detection using Pt nanoparticle-decorated reduced graphene oxide field-effect transistors. Nanoscale, 4(1), 293-297.
Series/Report no.: Nanoscale
Abstract: A large-area, continuous, few-layer reduced graphene oxide (rGO) thin film has been fabricated on a Si/SiO2 wafer using the Langmuir–Blodgett (LB) method followed by thermal reduction. After photochemical reduction of Pt nanoparticles (PtNPs) on rGO, the obtained PtNPs/rGO composite is employed as the conductive channel in a solution-gated field effect transistor (FET), which is then used for real-time detection of hybridization of single-stranded DNA (ssDNA) with high sensitivity (2.4 nM). Such a simple, but effective method for fabrication of rGO-based transistors shows great potential for mass-production of graphene-based electronic biosensors.
ISSN: 2040-3364
DOI: 10.1039/c1nr11149c
Rights: © 2012 The Royal Society of Chemistry.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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