Center for Functional Nanomaterials Seminar

"Control Synthesis of Nanostructured Metals Toward Optical and Catalytic Applications"

Presented by Hsing-Lin Wang, Los Alamos National Laboratory

Thursday, June 5, 2008, 10:00 am — Bldg. 735 - Conf Rm B

Conducting polymer-mediated electrodeless deposition - reducing metal ions to form zero-valent metal - represents one of the most facile synthetic platforms in generating nanoparticles with a wide range of size, structure, and morphology. With this method, we have demonstrated fabrication of metal structures with fiber, sheet, cube, yarn-ball and leaf-like morphologies simply by varying the dopants incorporated into the polymer substrate. These nanoparticles immobilized on polymer substrates are environmentally stable; they have complex morphology and high surface area that render high catalytic efficiency and surface enhanced Raman scattering (SERS) properties. This unique synthetic approach, tailoring conducting polymer chemistry for the deposition of various metal structures, for the first time, offers a level of control over metal properties that was previous inaccessible.

Hosted by: Mircea Cotlet

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