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nanotechnology
     
Nanoparticles (NPs) are known to exhibit properties which are very distinct from bulk micro- or macroscopic materials and which may be ideal in different aspects. NPs fall into different classes like spheroids, toroids, rods, and tubes. These basic forms may set up a toolbox for designed functional structures on the nanoscale. A prerequisite for achieving such functional nanomaterials is the synthesis of well defined (monodisperse) NPs. These have already been shown to exhibit extraordinary properties for advanced applications in electronics, sensing, catalysis, storage devices and for low dimensional materials.

Research is focused on novel carbon and transition metal oxide NPs, such as
vanadium oxide nanotubes, TiO2, MoO3, and WO3 nanorods, on the development of cheap, air-stable precursors, as well as on effective syntheses, and scale-up procedures.

Characterization of structure and morphology is based on electron microscopy, X-ray diffraction, vibrational and optical spectroscopy, as well as solid state NMR.
Physical properties are investigated by chemical, thermal, electrochemical, conductivity, magnetic, and zeta-potential measurements.

News:

Electron microscopy
Visit our new electron microscopy site: http://www.microscopy.ethz.ch
Author: Dr. Frank Krumeich
May 6, 2004

 

 

See the MoO3 nanorods - move the slider:
(QuickTime plug-in needed)

 


© 2002, ETH Zurich and the Authors

Review:
Greta R. Patzke, Frank Krumeich, Reinhard Nesper,
Nanoröhren und Nanostäbe auf Oxidbasis - anisotrope Bausteine für künftige Nanotechnologien
Angew. Chem. 2002, 114, 2554-2571
Oxidic Nanotubes and Nanorods - Anisotropic Modules for a Future Nanotechnology
Angew. Chem. Int. Ed. 2002, 41, 2446-2461

Recent publications:

J. Zygmunt, F. Krumeich, R. Nesper
Novel Silica Nanotubes with a High Aspect Ratio – Synthesis and Structural Characterisation
Adv. Mater. 15, 2003, 1538-1541

G. R. Patzke, F. Krumeich, R. Nesper
Nanoscale Design Strategies: Oxidic Nanorods
Z. Anorg. Allg. Chem. 2002, 628, 2152

 

Collaborations:

Institutional Collaborations:
ETHZ (Profs. Gauckler, Luisi, Spencer)
EPFL (Prof. Forró)
Clemson University (Prof. Carroll)
Max-Planck-Institute for Solid State Research (Dr. Roth, …)
Max-Planck-Institute for Chemical Physics (Prof. Kniep, Prof. Grin)
University of Essen (Prof. Schmid)

Industry Collaborations:
SusTech (Darmstadt, D) www.sustech.de
Henkel (Düsseldorf, D)
ABB (Baden, CH) www.abb.ch
Ivoclar (Schaan, Fl) www.ivoclar.com
Zumtobel (Dornbirn, Au)

Funding:

ETH Jubiläumsfonds (TEMA, ended 1999)

Swiss National Research Programm NFP47:
"Supramolecular Functional Materials"
www.nfp47.ch
President: Prof. Andreas Ludi

National Centre of Competence in Research NCCR:
"Materials with Novel Electronic Properties"
http://www.manep.ch/
Director: Prof. Øystein Fischer
MaNEP - newsletter

"Nano Cage Materials"
IHP - European - Network

Coordinator: Prof. Laars Kloo

 

 

 

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