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Please use this identifier to cite or link to this item: http://dspace.unimap.edu.my:80/xmlui/handle/123456789/20568

Title: Field-effect transistor biosensor fabricated with selective enrichment of semiconducting single- walled carbon nanotubes
Authors: Xiaoxian, Zhang
Dongwei, Wang
Danna, Yang
Sai, Li
Yi, He
Keywords: Single-walled carbon nanotubes (SWNTs);Separation;Metallic;Semiconducting;Field-effect transistor (FET);Biosensor
Issue Date: 27-Feb-2012
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Citation: p. 50-54
Series/Report no.: Proceedings of the International Conference on Biomedical Engineering (ICoBE 2012)
Abstract: Single-Walled Carbon Nanotubes(SWNTs) have excellent electrical properties to fabricate field-effect transistor (FET) biosensor, microelectrodes, microelectric unit etc. At present, biosensors based on CNTFET are required in various applications, including clinical diagnostics, environmental testing, food analysis, and bioterrorism detection technologies. But nowadays SWNTs are typically grown as mixtures of metallic-SWNTs and semiconducting-SWNTs, which limited their further application. In this paper, we reported a simple, scalable way to separate SWNTs by using HNO3/H2SO4, and discussed the factors which influenced the separation. At last, we fabricated SWNTs FET biosensor with treated SWNTs by applying AC dielectrophoresis (ACDEP) method.
Description: Link to publisher's homepage at http://ieeexplore.ieee.org/
URI: http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=06178953
http://hdl.handle.net/123456789/20568
ISBN: 978-145771989-9
Appears in Collections:Conference Papers

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