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Direct Enrichment of Metallic Single‐Walled Carbon Nanotubes Induced by the Different Molecular Composition of Monohydroxy Alcohol Homologues
Author(s) -
Wang Yu,
Liu Yunqi,
Li Xianglong,
Cao Lingchao,
Wei Dacheng,
Zhang Hongliang,
Shi Dachuan,
Yu Gui,
Kajiura Hisashi,
Li Yongming
Publication year - 2007
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.200700241
Subject(s) - carbon nanotube , carbon fibers , metal , alcohol , materials science , amorphous carbon , radical , composition (language) , etching (microfabrication) , chemical engineering , nanotechnology , organic chemistry , amorphous solid , chemistry , composite material , metallurgy , linguistics , philosophy , composite number , engineering , layer (electronics)
Showing more metal : Monohydroxy alcohol homologues with a different ratio of carbon to oxygen atoms (RCO) were employed as carbon feedstocks to prepare single‐walled carbon nanotube (SWNTs). The relative amount of metallic SWNTs can be directly enriched by increasing the RCO. During growth, selective etching effects of hydroxyl radicals and the protection of amorphous carbon (see image) may be responsible for the direct enrichment.