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Chin. Phys. B, 2011, Vol. 20(6): 067305    DOI: 10.1088/1674-1056/20/6/067305
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES Prev   Next  

Selection of isolated and individual single-walled carbon nanotube from a film and its usage in nanodevices

Wang Gong-Tang
College of Physics and Electronics, Shandong Normal University, Jinan 250014, China
Abstract  Individual and isolated single-walled carbon nanotubes (SWNTs) are important for fabricating relevant nanodevices and studying the properties of the SWNT devices. In this work, we demonstrate that individual and isolated SWNT can be selected and obtained from a film containing a huge number of SWNTs. By using both the polymethylmethacrylate (PMMA) as a negative resist and the electron beam lithography, the selected SWNT can be fixed on a substrate, while the other SWNTs in the film can lift off. The selected SWNT can be used to fabricate nanodevice and a gas sensor of oxygen is demonstrated in this work.
Keywords:  electron beam lithography      sensor      single-walled carbon nanotube     
Received:  19 January 2011      Published:  15 June 2011
PACS:  73.63.Fg (Nanotubes)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 90201025).

Cite this article: 

Wang Gong-Tang Selection of isolated and individual single-walled carbon nanotube from a film and its usage in nanodevices 2011 Chin. Phys. B 20 067305

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