Journal
PROCESSES
Volume 9, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/pr9010036
Keywords
microwave plasma; AMPCVD; CNTs; aluminum foil
Categories
Funding
- National Key Research and Development Program of China [2016YFF0102100]
- Pre-research Project of Civil Aerospace Technology of China [D040109]
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This study successfully grew multi-walled carbon nanotubes on aluminum foils using the AMPCVD method, with iron impurities in the aluminum foils found to catalyze the growth of CNTs. The research also showed that CNTs have fewer defects at higher temperatures.
This paper is about the research that carbon nanotubes (CNTs) grow on aluminum foils without additional catalysts by atmospheric pressure microwave plasma chemical vapor deposition (AMPCVD) with the precursor of argon-hydrogen-ethanol. At different temperatures, a series of experiments that CNTs grow on aluminum foils were done with and without the alumina layer. The EDS results showed that iron impurities in aluminum foils catalyze the growth of CNTs. By measurements of SEM and HRTEM, tens of microns long and multi-walled CNTs are grown. The CNTs' content in the sample changes more with the increase in temperature. The Raman measuring shows that CNTs have fewer defects with higher temperature. Finally, by measurements of EDS mapping and XRD on aluminum foil, the growth mechanism of CNTs was discussed.
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