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|Title:||A graphene nanoribbon network and its biosensing application||Authors:||Dong, Xiaochen
Chan-Park, Mary B.
|Issue Date:||2011||Source:||Dong, X., Long, Q.,Wang, J., Chan-Park, M. B., Huang, Y., Huang, W. & Chen, P. (2011). A graphene nanoribbon network and its biosensing application. Nanoscale, 3(12), 5156-5160.||Series/Report no.:||Nanoscale||Abstract:||Graphene oxide nanoribbons (GONRs) have been prepared by chemically unzipping multiwalled carbon nanotubes (MWCNTs). Thin-film networks of GONRs were fabricated by spray-coating, followed by a chemical or thermal reduction to form reduced graphene oxide nanoribbons (rGONRs). Raman spectroscopy and X-ray photoelectron spectroscopy (XPS) characterizations indicate that the thermal reduction in the presence of ethanol vapor effectively restores the graphitic structure of the GONR as compared to chemical reduction with hydrazine vapor. Electrical measurements under a liquid-gate configuration demonstrates that rGONR network field-effect transistors exhibit much higher on/off ratios than a network of microsized reduced graphene oxides (rGOs) or a continuous film of single-layered pristine or chemical vapor deposited (CVD) graphene. Furthermore, we demonstrated the potential applications of rGONR networks for biosensing, specifically, the real-time and sensitive detection of adenosine triphosphate (ATP) molecules.||URI:||https://hdl.handle.net/10356/99887
|DOI:||10.1039/C1NR11006C||Rights:||© 2011 The Royal Society of Chemistry. This is the author created version of a work that has been peer reviewed and accepted for publication by Nanoscale, The Royal Society of Chemistry. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI: http://dx.doi.org/10.1039/C1NR11006C]||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
|Appears in Collections:||SCBE Journal Articles|
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