Synthesis of Nickel-Encapsulated Carbon Nanocapsules and Cup-Stacked-Type Carbon Nanotubes via Nickel-Doped Fullerene Nanowhiskers
Author(s) -
Tokushi Kizuka,
Kun’ichi Miyazawa,
Akira Akagawa
Publication year - 2011
Publication title -
journal of nanotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.347
H-Index - 29
eISSN - 1687-9511
pISSN - 1687-9503
DOI - 10.1155/2012/376160
Subject(s) - materials science , nanocapsules , nickel , carbon nanotube , fullerene , carbon fibers , chemical engineering , nanoparticle , doping , precipitation , toluene , nanotechnology , composite material , metallurgy , organic chemistry , composite number , chemistry , physics , optoelectronics , meteorology , engineering
Nickel- (Ni) doped C60 nanowhiskers (NWs) were synthesized by a liquid-liquid interfacial precipitation method using a C60-saturated toluene solution and isopropanol with Ni nitrate hexahydrate Ni(NO3)2·6H2O. By varying the heating temperature of Ni-doped C60 NWs, two types of one-dimensional carbon nanostructures were produced. By heating the NWs at 973 and 1173 K, carbon nanocapsules (CNCs) that encapsulated Ni nanoparticles were produced. The Ni-encapsulated CNCs joined one dimensionally to form chain structures. Upon heating the NWs to 1373 K, cup-stacked-type carbon nanotubes were synthesized
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