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| Naji, M. |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Azam, Siraj |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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Morell, Gerardo
in Cooperation with on an Cooperation-Score of 37%
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Publications (7/7 displayed)
- 2024Unveiling BaTiO3-SrTiO3 as Anodes for Highly Efficient and Stable Lithium-Ion Batteriescitations
- 2024Superparamagnetic properties of metal-free nitrogen-doped graphene quantum dotscitations
- 2014Binder Free SnO2-CNT Composite as Anode Material for Li-Ion Batterycitations
- 2014New route to the fabrication of nanocrystalline diamond filmscitations
- 2013Single-step route to hierarchical flower-like carbon nanotube clusters decorated with ultrananocrystalline diamondcitations
- 2012Single-step route to diamond-nanotube compositecitations
- 2008Iron Oxide Nanoparticles Employed as Seeds for the Induction of Microcrystalline Diamond Synthesis
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article
Single-step route to hierarchical flower-like carbon nanotube clusters decorated with ultrananocrystalline diamond
Abstract
<p>Two distinct forms of carbon, ultra nanocrystalline diamond (UNCD) and carbon nanotubes (CNTs), were synthesized in a single-step process via hot filament chemical vapor deposition for the first time. The synthesized structure displays unique hierarchical flower-like clusters of vertically aligned carbon nanotubes with diameters ranging from 30 to 50 nm conformally coated with UNCD having a grain size in the range of 3-5 nm. The seeding employed a mixture of diamond and nickel nano powders dispersed in a polymer melt, which promoted the self-assembly of sp<sup>2</sup> and sp<sup>3</sup> carbon into hierarchical structures. The UNCD decorated tubes show good field emission properties with low turn-on field, large field enhancement factor, and an excellent current stability over a period of over 400 h. The ability to synthesize flower like structures of CNTs decorated with UNCD by a single-step process opens up new possibilities for the fabrication of robust nanoelectronic devices.</p>