Single-step synthesis of vertically aligned carbon nanotube forest on aluminium foils
- Nassoy, Fabien
- Pinault, Mathieu
- Descarpentries, Jérémie
- Vignal, Thomas
- Banet, Philippe
- Coulon, Pierre-Eugène
- Goislard de Monsabert, Thomas
- Hauf, Harald
- Aubert, Pierre-Henri
- Reynaud, Cécile
- Mayne-L’hermite, Martine
DOIAbstract
International audienceVertically aligned carbon nanotube (VACNT) forests are promising for supercapacitor electrodes, but their industrialisation requires a large-scale cost-effective synthesis process suitable to commercial aluminium (Al) foils, namely by operating at a low temperature (<660 °C). We show that Aerosol-Assisted Catalytic Chemical Vapour Deposition (CCVD), a single-step roll-to-roll compatible process, can be optimised to meet this industrial requirement. With ferrocene as a catalyst precursor, acetylene as a carbon source and Ar/H2 as a carrier gas, clean and dense forests of VACNTs of about 10 nm in diameter are obtained at 615 °C with a growth rate up to 5 µm/min. Such novel potentiality of this one-step CCVD process is at...
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