Towards controlled growth of carbon nanotubes from germanium on nanoindented silicon substrates
Capasso, Andrea, Waclawik, Eric R., Bell, John M., Ruffell, Simon, Sgarlata, Anna, Scarselli, Manuela, De Crescenzi, Maurizio, & Motta, Nunzio (2010) Towards controlled growth of carbon nanotubes from germanium on nanoindented silicon substrates. In Proceedings of the 2010 International Conference on Nanoscience and Nanotechnology (ICONN), IEEE, Sydney Convention and Exhibition Centre, Sydney, NSW, pp. 186-188.
In this paper, we report on a metal-catalyst-free synthesis of carbon nanotubes (CNTs) on a pre-patterned Si(001) surface. Arrays of triangular-shaped holes were created by nanoindentation in specific sites of the sample. After germanium deposition and chemical vapor deposition (CVD) of acetylene, a few CNTs nucleated and grew from germanium nanoparticles. These results illustrate that it is possible to control the growth of CNTs without the use of any metal catalyst. By leading the assembly of Ge nanoparticles with a patterning technique, a precise control over the growth order is also attainable.
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|Item Type:||Conference Paper|
|Keywords:||carbon nanotubes, nanoindentation, germanium, patterning, chemical vapor deposition|
|Subjects:||Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > CONDENSED MATTER PHYSICS (020400) > Surfaces and Structural Properties of Condensed Matter (020406)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanofabrication Growth and Self Assembly (100706)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanomaterials (100708)
|Divisions:||Past > Schools > Chemistry
Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Schools > School of Engineering Systems
|Copyright Owner:||Copyright 2010 IEEE|
|Deposited On:||29 Sep 2010 00:09|
|Last Modified:||04 Sep 2014 22:16|
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