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Controlling the Morphology of Carbon Nanotube Films by Varying the Areal Density of Catalyst Nanoclusters Using Block‐Copolymer Micellar Thin Films
Author(s) -
Bennett R. D.,
Hart A. J.,
Cohen R. E.
Publication year - 2006
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.200600975
Subject(s) - nanoclusters , materials science , carbon nanotube , copolymer , morphology (biology) , nanotechnology , thin film , area density , nanotube , catalysis , chemical engineering , carbon fibers , composite material , polymer , organic chemistry , composite number , chemistry , biology , engineering , genetics
The morphologies of carbon nanotube (CNT) thin films are controlled by varying the areal density of catalytic nanoclusters synthesized from a block‐copolymer micellar thin film. The morphologies of the CNT films vary from a tangled and sparse arrangement of individual CNTs, through a transition region with locally bunched and self‐aligned CNTs, to a rapid growth of thick vertical CNT films (see figure).