Supercritical Synthesis of Nanoparticles

Christian  Kallesøe

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FC catalyst2

Supercritical Synthesis of Nanoparticles

At the Danish Technological Institute we have developed a continuous solvothermal synthesis method allowing direct particle synthesis possibly onto support structures, within sub- or supercritical fluid conditions.

The method is ideal for the synthesis of nanoparticles, e.g. for usage within fuel cells, exhaust systems, batteries, conductive inks and nanomedicine, and is compatible with a large amount of metal precursors and support structures. Our continuous supercritical synthesis method offers high control of process parameters. Thus, we can control the size of the synthesized particles with high accuracy (± 0.1 nm), by means of pressure and temperature. Furthermore, the method enables production rates from 0.1 g/h to 1 kg/h, thus ranging from nanomaterial development to volume production.

Danish Technological Institute offers development and validation of new customized nanomaterials and catalyst structures in collaboration with the customer. Our strength lies within synthesis of nanoparticles with narrow size distribution and high crystallinity, as well as synthesis of core-shell structures and on support particles.

How can the Danish Technological Institute help you?

  • We offer state-of-the-art ‘off-the-shelf’ fuel cell catalyst products
  • Development of customized fuel cell catalyst products in collaboration with the customer
  • Development of emission catalyst for pollutant removal in collaboration with the customer
  • Development and validation of new nanomaterials and catalyst particles and structures
  • Nanoparticle and catalyst characterization

Examples of nanomaterials:

  • Electrocatalyst
  • Photocatalyst
  • Hybrid organic/in-organic nanomaterials
  • Antibacterial nanoparticles
  • Electrical conductive inks for printing application

In order to produce nanoparticles we sometimes uses polymers. Read more about our works with polymers.