NDLI: Synthesis of coiled carbon nanotubes on Co/Al$_{2}$O$

Content Provider	Springer Nature Link
Author	Liu, Jun Harris, Andrew T.
Copyright Year	2009
Abstract	Mixtures of regularly coiled and straight multi-walled carbon nanotubes (MWNTs) were synthesised on alumina supported Co catalysts prepared by pH controlled, wet impregnation. The synthesis reaction was performed under C$_{2}$H$_{2}$:H$_{2}$:N$_{2}$ at 750 °C in a fluidised-bed for 30 min. Scanning electron microscopy/energy dispersive X-ray spectroscopy shows good distribution of the active Co particles on the surface of the alumina support. Determined from 10 individual SEM images from the same product batch, the CNTs present are typically from 10 to 40 nm in diameter. Thermogravimetric analysis (TGA) and Raman spectroscopy indicate the total oxidative weight loss is independent of pH during catalyst preparation. This study is the first to report the use of a fluidised-bed for the synthesis of coiled MWNTs, using alumina supported Co catalysts.
Starting Page	645
Ending Page	653
Page Count	9
File Format	PDF
ISSN	13880764
Journal	Journal of Nanoparticle Research
Volume Number	12
Issue Number	2
e-ISSN	1572896X
Language	English
Publisher	Springer Netherlands
Publisher Date	2009-04-21
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Fluidised-bed Chemical vapour deposition Coiled carbon nanotubes Synthesis MWCNT Optics, Optoelectronics, Plasmonics and Optical Devices Physical Chemistry Inorganic Chemistry Characterization and Evaluation of Materials Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Chemistry Nanoscience and Nanotechnology Atomic and Molecular Physics, and Optics Condensed Matter Physics Bioengineering Modeling and Simulation

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