Wolfram Höland: Catalogue data in Spring Semester 2018

Name Dr. Wolfram Höland
Ivoclar Vivadent AG
Bendererstrasse 2
9494 Schaan
Telephone00423 235 35 35
Fax00423 235 33 60
DepartmentChemistry and Applied Biosciences

529-0131-00LInorganic Chemistry IV: (Nano-)Materials; Synthesis, Properties and Surface Chemistry4 credits3GC. Copéret, A. Comas Vives, W. Höland
AbstractIntroduction into Solid State Chemistry, to the synthesis and properties of solids and to Nanomaterials.
ObjectiveIntroduction into solid compounds and nanomaterials: syntheses, properties and applications.
Content1. Generalities1
How do we apprehend a solid? Bulk vs. Surface
Texture, Surface area (N2 adsorption, BET), Crystallinity (X-ray diffraction), Surface functionalities (IR, NMR), Acidity/Basicity (Probe molecules: pyridine, CO, CO2), Point of Zero Electric Charge
2. Silica: from crystalline to amorphous materials1
2.1 Structure (Polymorphs: quartz, cristoballite, pure silica zeolites, Amorphous materials)
2.2 Synthesis (flame SiO2, precipitated SiO2, sol-gel, mesostructured silica)
2.3 Properties and applications
3. Alumina1
3.1 Structure (Polymorphs and surface sites)
3.2 Synthesis
3.3 Properties and applications
4. Aluminosilicates: zeolithes and amorphous materials1
4.1 Structure (crystalline (zeolites) and amorphous)
4.2 Synthesis
4.3 Properties and applications
5. Glass-ceramics2
5.1. Nature of inorganic glasses and crystals
5.2. Fundamentals on nucleation and crystallization of glasses.
5.3. Heterogeneous nucleation based on epitaxy
5.3.1. Lithium-alumosilicate glass-ceramics
5.3.2. Lithium disilicate glass-ceramics
5.4. Amorphous phase separation as precursor phase of nucleation and crystallization
5.4.1. Mica glass-ceramics
5.4.2. Apatite glass-ceramics
5.5. Controlled surface crystallization of leucite
5.6. Two-fold nucleation and crystallization of leucite and apatite
5.7. Bioactive glass-ceramics
6. Other basic oxides1 (MgO, CaO, MgAl2O4)
6.1 Structure and synthesis
6.2 Properties and applications
7. Reducible (ZnO, TiO2, CeO2) and conductive oxides1,3 (ATO, ITO, RuO2, IrO2)
7.1 Structure (defects)
7.2 Properties (Band gap) and applications (photocatalysis, water splitting, Oxygen Evolution Reaction)
8. Mixed metal oxides1
8.1 Synthesis and structure (precipitation methods, surface modification, sol-gel, non-hydrolytic sol-gel, thermolytic precursors)
8.2 Properties (acido-basicity) and application
9. Hybrid organic inorganic materials1
9.1 Structure
9.2 Synthesis
9.3 Properties and application
10. Other materials (Metal sulfides, Metal Fluorides, Metals, Carbon) 1,3
10.1 Structure
10.2 Synthesis
10.3 Properties and application
Lecture notesis provided on the internet.
LiteratureA. West, Solid State Chemistry and its Applications, Wiley 1989;
U. Müller, Anorganische Strukturchemie, Teubner Taschenbuch 2006;
R. Nesper, H.-J. Muhr, Chimia 52 (1998) 571;
C.N.R. Rao, A. Müller, A.K. Cheetham, Nanomaterials, Wiley-VCH 2007.