报告题目：Core/shell Nanostructures with Tailored Properties: Putting Chemistry into Nanomaterials Science

　　时间：2010年10月12日下午3点

　　地点：研究生楼507教室

　　内容简介：

　　He will introduce a synthetic route to achieving nanoscale heterostructures consisting of a metal core and monocrystalline semiconductor shell with substantial lattice mismatches between them, which cannot be obtained by conventional epitaxial techniques. By controlling soft acid-base coordination reactions between molecular complexes and colloidal nanostructures, we show that chemical thermodynamics can drive nanoscale monocrystalline growth of the semiconductor shell with a lattice structure incommensurate with that of the core. More complex hybrid core-shell structures with azimuthal and radial nanotailoring of structures and compositions of the monocrystalline semiconductor shell are also demonstrated.

　　报告人简介： 张加涛，博士硕士毕业于北京理工大学，博士毕业于清华大学，2006-2007年于Institute of Nanotechnology, Forschungszentrum Karlsruhe GmbH, Germany 博士后研究，2008年-至今 于Center for Nanophysics and Advanced Materials, Physics Department, University of Maryland, College park，博士后研究。

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