Advanced Colloidal Materials Engineering

The group deals with colloidal materials synthesis with emphasis on porous sol-gel of both, organic and inorganic origin such as resins, carbons, metal oxides and oxide/metal hybrids. Primary development efforts are targeting synthesis, characterization & numerical modelling of physical properties with the goal to advance properties and applications of porous materials with custom tailorable microstructure.
Following are our key topics:
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Resin based carbon materials

Development of carbon sorbents for thermally driven heat-pump technology (SNSF NRP-70 “THRIVE” project)
Improved characterization and prediction of per-formance of different adsorber materials in thermally driven heat-pumps (EU H2020-“HyCool” project)
Co-gelation of resin and silica-based chemistry for composite aerogels with novel properties (sorption or thermal insulation above room temperature (100-300 °C)
Use of tailored carbons for electrochemical energy storage (batteries, supercaps, fuel cells)
Study of different coprecursor systems to pursue new activities and collaborations in energy applications (eg. CO2 capture from ambient air)

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Inorganic oxides and oxide/metal composites

Sol-gel method for the synthesis of phosphores-cent materials with improved afterglow.
Novel anode supported Empa approach for SOFC cells by combining porous sol-gel anodes with aerosol assisted CVD electrolytes (DePoLa project)
Metal nanoparticle - silica hybrid aerogels (Cu@SiO2, Ni@SiO2) with large porosity and surface area for catalysis for alcohol reforming
Exploration of new collaborations and applications (Conducting oxides such as SnO2:Nb)
Use of Porous Carbon/Inorganic oxide nanocom-posites as battery materials

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Thin films, coatings and layers

Layered structures for applications in e.g. SOFCs.
Various sol-gel-based inorganic oxide and organic/inorganic oxide hybrid thin films with precise control over physical / surface properties, use of thin film technology for detection and sensing applications.
Novel polymer precursor chemistry for novel hybrid coatings.

 

 

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Theory

Models at various scales for heat and mass transport as well as sorption in advanced porous materials.
Numerical models to improve our understanding of forces in and behavior of colloidal materials at particle level.