Synthesis of Cobalt-Encapsulated Carbon Nanocapsules Using Cobalt-Doped Fullerene Nanowhiskers | Zendy

Daisuke Matsuura | Zendy; Kun’ichi Miyazawa | Zendy; Tokushi Kizuka | Zendy

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Synthesis of Cobalt-Encapsulated Carbon Nanocapsules Using Cobalt-Doped Fullerene Nanowhiskers

Author(s) -

Daisuke Matsuura,

Kun’ichi Miyazawa,

Tokushi Kizuka

Publication year - 2012

Publication title -

isrn nanotechnology

Language(s) - English

Resource type - Journals

eISSN - 2090-6072

pISSN - 2090-6064

DOI - 10.5402/2012/871208

Subject(s) - nanocapsules , cobalt , materials science , orthorhombic crystal system , fullerene , chemical engineering , carbon fibers , toluene , precipitation , coprecipitation , nanocrystal , nanotechnology , nanoparticle , crystal structure , organic chemistry , chemistry , composite number , composite material , metallurgy , physics , meteorology , engineering

We synthesized cobalt- (Co-) doped C60 nanowhiskers (NWs) by applying a liquid-liquid interfacial precipitation method using a C60-saturated toluene solution and 2-propanol with Co nitrate hexahydrate (Co(NO3)3⋅6H2O). Heating the NWs at 873–1173 K produced carbon nanocapsules (CNCs) that encapsulated Co clusters with a hexagonal-closed-packed structure. After heating at 1273 K, the encapsulated Co clusters in CNCs were transformed into orthorhombic Co2C clusters. It was found that Co- and Co2C-encapsulated CNCs can be produced by varying heating temperature.

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