期刊
NANOTECHNOLOGY
卷 16, 期 8, 页码 1123-1125出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/16/8/023
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Single-wall carbon nanotubes (SWNTs) were functionalized with biotin at the ends and sidewalls of the nanotubes in a series of chemical reactions. Streptavidin-coated gold nanoparticles were attached to the biotin-modified SWNTs in solution in a self-assembly process. Gold nanoparticles which connected two SWNTs were selected and contacted for transport measurements. At low temperatures, Coulomb blockade oscillations were observed as a function of gate voltage. The size of the nanoparticles can be enlarged by catalytic deposition of gold leading to current increase through the SWNT-nanoparticle-SWNT junction.
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