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CVD growth of carbon nanotubes

 

Low temperature growth

  • Tungsten filament (other pre-dissociation sources)  can increase the decomposition of  precursor gases independent of substrate temperature (HW CVD - Hot Wire assisted CVD).
  • Yield and quality can be enhanced by enhanced growth chemistry (mild oxidation with water molecules).

Selective growth

  • Surface fonctionalization/pretreatments can provide a selective deposition of catalysts/ avoids catalyst agglomeration.
  • Size control of catalysts can be performed by use of calibrated nanoparticles (iron ions inside ferritin, colloids) , ions implantation

 

Contact : Costel-Sorin COJOCARU