题目：Dynamic and Static Light Scattering-Theory and Practice
时间：2013年9月29日（星期日）上午09:30
地点：博彩平台
907楼1445室
Michael K. C. Tam教授简介：
Professor Michael Tam obtained his B.Eng. and Ph.D. degrees in Chemical engineering from Monash University, Australia in 1982 and 1991 respectively. He spent 18 months on a postdoctoral fellowship at the Department of Chemical Engineering, McMaster University Canada, and subsequently taught at Nanyang Technological University, Singapore for 15 years. In June 2007 he joined the Department of Chemical Engineering, University of Waterloo as a tenured full professor, and holds the position of University Research Chair in the field of functional colloids and nanomaterials. His research interests are in colloids, self-assembly systems, polymer-surfactant interactions, and drug delivery systems. He has published more than 200 journal articles in various fields of polymer science and engineering. His total citation exceeds 6000 and his H-index is 46.
报告内容摘要：
In nanotechnology, detection of nanostructures at length scale in the range of 10 to 500 nm is critical for the design and development of nanomaterials. Many different techniques have been advanced and developed for the quantification of the dimensions of these nanostructures. Techniques, such as atomic force microscopy, transmission electron microscopy and various types of scattering techniques have been used for this purpose. In this short workshop, I will be discussing the use of dynamic and static light scattering techniques to determine the microstructure and morphology of various types of nanostructures. The basic principles and theory will be outlined and discussed, and several examples on the use of DLS and SLS to quantify nanostructures will be described. Properties such as weight average molecular weight, hydrodynamic radius, radius of gyration and the second virial coefficient that could be obtained from these techniques will be discussed in details.
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