Monday, January 10, 2011, 9:30 am — Bldg. 735 - Conf Rm A
This talk will describe the synthesis, characterization and processing of block copolymer based composites. It is structured according to the degree of order achieved in the resulting materials, moving from amorphous to polycrystalline to single crystal-type materials. By using thermodynamic principles established for block copolymers and mixtures with nanoparticles, well-defined nanostructured morphologies are obtained at all these levels of structural order. Thermal processing of the polymer-inorganic hybrids results in nanoporous materials with uniform pores and hexagonal as well as bicontinuous cubic pore structures. These concepts are applied to amorphous nanostructured aluminosilicates and non-oxide type ceramics stable up to 1500C, polycrystalline nanostructured transition metal oxides and metals, as well as nanostructured, porous single crystal silicon and metal thin films (~10-100nm) with epitaxial growth relation to the substrate. The various chemical approaches will be discussed in detail. Perspectives will be given in the context of nanomaterials for applications ranging from microelectronics to energy generation and storage.
Hosted by: Dmytro Nykypanchuk
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