Investigation of Influence of Synthesis Parameters on Length and Purity of the Carbon Nanotubes

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In this article, a systematic study was conducted to understand the influences of various synthesis parameters, such as catalyst pretreatment time, growth time, growth temperature, reaction gas flow rate on length and quality of the carbon nanotubes grown by thermal chemical vapor deposition (TCVD). Carbon nanotube (CNT) grown on Fe deposited on silicon substrates were characterized by scanning electron microscope and Raman spectroscopy. It was found that all of the synthesis parameters investigated had effects on both length and quality of the carbon nanotube. After optimizing the various thermal chemical vapor deposition synthesis parameters, long carbon nanotube arrays of up to 150 μm in length were successfully synthesized and possess the potential application in multi-level interconnects.


Document Type: Research Article


Publication date: December 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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