Lenka Zajíčková, Ondřej Jašek, Petr Synek, Marek Eliáš, Vít Kudrle, Magdaléna Kadlečíková, Juraj Breza, Renata Hanzlíková

Proc: SYNTHESIS OF CARBON NANOTUBES IN MW PLASMA TORCH WITH DIFFERENT METHODS OF CATALYST LAYER PREPARATION AND THEIR APPLICATIONS

NANOCON 2009, CONFERENCE PROCEEDINGS (2009) pp.149-155

The microwave plasma torch (2 45 GHz) was used for the synthesis of carbon nanotubes from the mixture of CH(4)/H(2)/Ar or C(2)H(2)/H(2)/Ar on different substrates with iron catalyst Iron catalyst was prepared by vacuum evaporation of iron on Si, Si/SiO(x) or Si/AlxO(Y) substrates or by deposition of iron oxide nanoparticles on Si/SiO(x) substrate by decomposion of Fe(CO)(5) in gas feed Such prepared substrates were used for growth of carbon nanotubes. Recostruction of the iron catalyst layer into nanoparticles was also studied in dependence on substrate buffer layer, gas atmosphere and temperature Samples were studied by scanning and transmission electron microscopy and Raman spectroscopy. Synthesis resulted in rapid growth of MWNTs on all samples but the density, purity and nanotube diameter distribution varied Such prepared carbon nanotube layers were used for sensing applications.

You may also contact one of the authors: lenkaz@physics.muni.cz, jasek@physics.muni.cz, synek@physics.muni.cz, mareke@physics.muni.cz

Cited articles

1. Jašek O., Eliáš M., Zajíčková L., Kučerová Z., Matějková J., Rek A., Buršík J.,
   Discussion of Important Factors in Deposition of Carbon Nanotubes by Atmospheric Pressure Microwave Plasma Torch,
   Journal of Physics and Chemistry of Solids 68 (2007) 738–743
2. Zajíčková L., Eliáš M., Jašek O., Kučerová Z., Synek P., Matějková J., Kadlečíková M., Klementová M., Buršík J., Vojačková A.,
   Characterization of Carbon Nanotubes Deposited in Microwave Torch at Atmospheric Pressure,
   Plasma Processes and Polymers 4 (2007) S245–S249
3. Jašek O., Eliáš M., Zajíčková L., Kudrle V., Bublan M., Matějková J., Rek A., Buršík J., Kadlečíková M.,
   Carbon Nanotubes Synthesis in Microwave Plasma Torch at Atmospheric Pressure,
   Materials Science and Engineering C 26 (2006) 1189–1193