Carbon nanotubes from organometallic precursors.
Multiwalled as well as single-walled carbon nanotubes are conveniently prepared by the pyrolysis of organometallic precursors such as metallocenes and phthalocyanines in a reducing atmosphere. More importantly, pyrolysis of organometallics alone or in mixture with hydrocarbons yields aligned nanotube bundles with useful field emission and hydrogen storage properties. By pyrolysis of organometallics in the presence of thiophene, Y-junction nanotubes are obtained in large quantities. The Y-junction tubes have a good potential in nanoelectronics. Carbon nanotubes prepared from organometallics are useful to prepare nanowires and nanotubes of other materials such as BN, GaN, SiC, and Si(3)N(4).
Rao
C N R
CN
Chemistry and Physics of Materials Unit and CSIR Centre of Excellence in Chemistry, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P. O., Bangalore 560 064, India. cnrrao@jncasr.ac.in
Govindaraj
A
A
D015374:Biosensing Techniques / Q000379:methods; D002244:Carbon / Q000737:chemistry*; D046911:Macromolecular Substances; D036103:Nanotechnology / Q000379:methods*; D011108:Polymers / Q000138:chemical synthesis / Q000737:chemistry; D011506:Proteins / Q000737:chemistry
D046911:Macromolecular Substances; D011108:Polymers; D011506:Proteins; D002244:Carbon