Friday, January 20, 2012, 10:00 am — Bldg. 735, Conf. Rm. B
Nanomaterials synthesis provides an essential base for the investigation of novel properties of nanoscale materials and their potential applications. There is a growing interest in noble metal nanostructures due to their unique optical, electrochemical and electronic properties. A critical requirement for the fabrication of these metallic nanomaterials is the production of high-quality nanoparticles with controllable sizes and shapes. Herein, I will demonstrate that by carefully designing synthesis conditions of solution-based method, we can realize the rational control over the morphologies and sizes of a series of noble metal nanoparticles. I will discuss unique electrochemical properties that are attributed to the well-defined crystalline surfaces of shaped particles. Furthermore, using DNA as a programmable tool, rationally assembly of these noble metal nanoparticles into well-define molecule-like architecture as well as 3D ordered superlattices was achieved.
Hosted by: Oleg Gang
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