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Narrow Diameter Distributions of Metallic Arc Discharge Single‐Walled Carbon Nanotubes via Dual‐Iteration Density Gradient Ultracentrifugation
Author(s) -
Tyler Timothy P.,
Shastry Tejas A.,
Leever Benjamin J.,
Hersam Mark C.
Publication year - 2012
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201201728
Subject(s) - materials science , arc (geometry) , dispersity , transmittance , dual (grammatical number) , ultracentrifuge , cathode , electrical conductor , metal , radius , carbon nanotube , electric arc , carbon fibers , nanotechnology , composite material , electrode , optoelectronics , polymer chemistry , computer science , metallurgy , mechanical engineering , physics , chemistry , art , computer security , literature , engineering , nuclear magnetic resonance , composite number , quantum mechanics
Dual‐iteration density gradient ultracentrifugation isolates nearly single diameters of monodisperse metallic arc discharge SWCNTs. Subsequently fabricated conductive thin films possess distinct colors due to well‐defined transmittance windows flanked by sharp optical transitions. Measurements of uniform sheet resistances and work functions confirm the largely invariant electronic properties between metallic arc discharge SWCNT films of differing diameters.