Novacentrix:: Printed Electronics :: Photonic Curing :: Photonic Sintering :: Photosintering :: Conductive Inks :: Flash Annealing :: Sintering Nanopa

By: Novacentrix  11-11-2011
Keywords: Inks, Printed Electronics, Sinter Metal,

Products > Nanopowders

Novacentrix: Nanopowder Reactor Technology

NovaCentrix’s patented pulsed plasma process produces unagglomerated nanopowders with unsurpassed size control in the range of about 10 nm to 100 nm in diameter. The particles are synthesized using a repetitive, high power (50-100 MW), pulsed electrical arc discharge between two feedstock metal rods. The ends of the rods are ablated and the subsequent material is heated in the electrical arc forming a dense metal plasma. The plasma then expands supersonically in a quench gas to form nanoparticles. After quenching, the nanoparticles are removed from the gas stream, the electrodes are indexed in, and the process is repeated. If the quench gas is inert, nanoparticles of the feedstock electrodes are formed. If the gas is reactive, then the most kinetically favorable compound is made. Thus, the same equipment can be used to make metal nanopowders as well as oxide nanopowders. Advantages of the process include:

  • The particle size can be tightly controlled to allow tailoring of particles to a particular application.
  • Material purity is limited only by the gas and metal feedstock purity. No other chemicals are required to produce the nanoparticles.
  • Particles agglomeration can be limited with proprietary coatings technology

NovaCentrix currently sells nanosilver (25 nm) and nanoaluminum (80 nm) powders as standard products. We can also make other nanomaterials (such as metal oxide nanopowders) and powder sizes in quantities greater than 10 kg. Quantities from 100-1000 kg/month, depending on material, can be manufactured with a single reactor.

Keywords: Inks, Printed Electronics, Sinter Metal,

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