Carbon nanotubes (CNTs) were grown on Ni catalyst with Al catalyst supported layer prepared on silicon substrate at different temperatures by TCVD. TEM images clearly showed the multi-wall structure of carbon nanotubes (MWCNTs) and SEM images revealed that the average diameters of MWCNTs were 116, 121, 142 and 162 nm for the growing temperatures of 600, 700, 800 and 900°C, respectively. The increase of tube diameter was due to the difference of Ni particle size and distribution after pretreatment. Raman spectrum revealed the two peaks of the D and G band at 1282- 1290 and 1588-1598 cm-1, respectively. The tubes grown at 800°C showed a shoulder peak of G band at 1598 cm-1. The minimum of defect induced disorder (ID/IG) of 1.19 was found at 800°C whereas the maximum disorder of 1.70 was observed at 600°C. All results confirm that the tube growth at 800°C shows the minimum imperfective disorder and the tube diameter can be manipulated by the Ni particle size and distribution.
Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks.
You are receiving this notice because your organization may not have SPIE eBooks access.*
*Shibboleth/Open Athens users─please
sign in
to access your institution's subscriptions.
To obtain this item, you may purchase the complete book in print or electronic format on
SPIE.org.
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.