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| Naji, M. |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Smith, D. C.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2011Metal catalyst-free growth of carbon nanotubes and their application in field effect transitors
- 2011Metal-catalyst-free growth of carbon nanotubes and their application in field-effect transistors
- 2011Metal-catalyst-free growth of silica nanowires and carbon nanotubes using Ge nanostructures
- 2010Chemical Vapour Deposition of CNTs Using Structural Nanoparticle Catalysts
- 2009Growth of single-walled carbon nanotubes using germanium nanocrystals formed by implantationcitations
- 2005Metal catalyst-free low-temperature carbon nanotube growth on SiGe islandscitations
- 2005Catalyst free low temperature direct growth of carbon nanotubes on SiGe islands and Ge quantum dots
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booksection
Chemical Vapour Deposition of CNTs Using Structural Nanoparticle Catalysts
Abstract
This work examines the recent developments in non-traditional CCVD of CNTs with a view to determine the essential role of the catalyst in nanotube growth. A brief overview of the techniques reliant on the structural reorganization of carbon to form CNTs is provided. An in-depth analysis of CNT synthesis based upon ceramic, noble metal, and semiconducting nanoparticle catalysts is presented. Various approaches to germanium catalyst preparation are compared in terms of growth density and quality of synthesized nanotubes. Scanning electron microscopy measurements indicate that a technologically relevant density is achievable using non conventional catalysts. Raman measurements have identified the synthesized nanotubes as single walled and, in terms of graphitization and structure, of a high quality. Extensive atomic force microscopy characterisation of the catalyst has been undertaken in order to ascertain the influence of morphology on the ability of the catalyst to yield CNT growth. A model for CNT growth consistent with the experimental results is proposed.