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In the field of nanomaterials many properties change with the size of the crystallites, and one of those properties is the catalytic activity. Not only does the surface area increase with reduced crystallite size, but the number of active sites on the crystal surface also increases. To investigate this we run a project called NanoCat, where nanomaterials are studied in their use as catalysts in the hydrogenation of carbon dioxide, CO2.

NanoCat covers several research project studying catalysis on the nanoscale. One of these is a subproject in the KAW-financed program Designed nano particles, where experimental and theoretical studies are performed on nanosized materials, and three groups at IFM are involved: Nanostructured Materials, Chemistry, and Plasma & Coatings Physics. The nanocatalysts are synthesized by both wet chemical methods and physical methods. The aim is to study the reaction of CO2 and H2 on nanoscale materials of different compositions, but also to find efficient catalysts for reducing the levels of CO2 emitted into the atmosphere.

The catalytic activity is studied in a 100 ml high pressure reactor connected to a GC-MS, and a range of analytic techniques are further used to study the surface of the catalysts, e.g. FTIR and chemisorption.

Responsible for this page: Emma Björk

Last updated: 02/20/14