![Phase transformations on calcination of a seeded inorganic precursor different kind (e.g. metals).](/en/departments/structural_ceramics/nonoxide_ceramics/materials_synthesis_development/porous_oxide_ceramics/Nanoporous_Al2O3ceramics/jcr:content/contentPar/sectioncomponent/sectionParsys/textblockwithpics/imageComponent1/image.img.jpg/1510038752773/nanoporsgr1-tcm185-37520.jpg)
Phase transformations on calcination of a seeded inorganic precursor different kind (e.g. metals).
![Pore size distribution in amorphous, microporous Al2O3 (different approaches of data evaluation; calcination at 400°C).](/en/departments/structural_ceramics/nonoxide_ceramics/materials_synthesis_development/porous_oxide_ceramics/Nanoporous_Al2O3ceramics/jcr:content/contentPar/sectioncomponent/sectionParsys/textblockwithpics/imageComponent2/image.img.jpg/1510038802042/nanoporsgr2-tcm185-37521.jpg)
Pore size distribution in amorphous, microporous Al2O3 (different approaches of data evaluation; calcination at 400°C).
![Tuning the pore size distribution in g-Al2O3.](/en/departments/structural_ceramics/nonoxide_ceramics/materials_synthesis_development/porous_oxide_ceramics/Nanoporous_Al2O3ceramics/jcr:content/contentPar/sectioncomponent/sectionParsys/textblockwithpics/imageComponent3/image.img.jpg/1510038760489/nanoporsgr3-tcm185-37522.jpg)
Tuning the pore size distribution in g-Al2O3.
Al2O3 products with pore sizes of about 1 nm and high open porosity
A special option of the IKTS synthesis of NanoCorundum enables the development of microporous alumina membranes or sintered granules for applications in separation techniques or for catalyst substrates.
Advantages
- Improved chemical resistance of alumina compared with microporous materials on a silicate basis
- Increased permeability (e.g. 6 l/m²*h*bar at pore size 1 nm)
- Crystalline and amorphous options (as they are important for catalytic applications), e.g.:
- amorphous Al2O3 with pore sizes of about 0.9 nm
- gamma-Al2O3 with pore sizes of 2-4 nm
- High open porosity of about 45 %
Products and services offered
- Development of technologies for microporous Al2O3-products with pores in the nanometer range
- Optimizing investigations of materials and properties related to specific applications
- Upscaling investigations supporting the development of new products
- Investigations of the technical performance, e.g.
- penetration of gases and fluids
- investigations of the chemical and thermal stability
- deposition on different substrates (e.g. metals)