Rao, C. N. R. and Kulkarni, G. U. and Govindaraj, Achutharao and Neena, Susan John and Deepak, F. Leonard (2005) Nature and electronic properties of Y-junctions in CNTs and N-doped CNTs obtained by the pyrolysis of organometallic precursors. Chemical Physics Letters, 411 . pp. 468-473.
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Official URL: http://dx.doi.org/10.1016/j.cplett.2005.06.076
Carbon nanotubes (CNTs) and N-doped CNTs with Y-junctions have been prepared by the pyrolysis of nickelocene-thiophene and nickel phthalocyanine-thiophene mixtures, respectively, the latter being reported for the first time. The junctions are free from the presence of sulfur and contain only carbon or carbon and nitrogen. The electronic properties of the junction nanotubes have been investigated by scanning tunneling microscopy. Tunneling conductance measurements reveal rectifying behavior with regions of coulomb blockade, the effect being much larger in the N-doped junction nanotubes.
|Subjects:||Material Science > Functional and hybrid materials|
|Divisions:||Faculty of Engineering, Science and Mathematics > School of Chemistry|
|Deposited On:||20 Jan 2009 11:27|
|Last Modified:||08 Apr 2009 10:49|
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