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Seminars
Nanostructured Materials and Devices by Hierarchial Assembly
Professor Yufeng Lu
Department of Chemical and Biomolecular Engineering
University of California, Los Angeles
When: Thursday, March 1, 2007
Time: 2:30 PM to 3:30 PM
Where: 1070 Duncall Hall
Abstract:
Nanoscale materials often show unique and superior physical, chemical, and tribological properties. The promise of nanotechnology is fulfilled when these unique properties are translated into dimensions that devices can use. A significant step towards this goal is the hierarchical assembly of nanoscale building blocks into controlled macroscopic structures. Self-assembly, an approach that utilizes non-covalent interactions to organize building blocks into hierarchical structure, has emerged as a most promising approach. This presentation will address the design, synthesis and device applications of nanostructured materials fabricated by static or responsive self-assembly, including the following main topics: 1) Design and fabrication of functional mesostructured materials using molecular building blocks, 2) Fabrication of macroscopic metallic and semiconductor nanowire thin films for fuel cells, thermoelectric, hydrogen separation, high surface area electrodes, magnetic materials, photovoltaics, sensors, and other applications, and 3) Adaptive responsive artificial systems, such as molecular chameleons, through dynamic assembly of functional molecular building blocks.
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