个人简介

B.Sc. (Queen's University, 1992) Ph.D. (Queen's University, 1997) NSERC Postdoctoral Fellow (MIT, 1998-1999) JSPS Visiting Professor (Tokyo Tech., 2006-2007) FQRNT Strategic Professor (2000-2005) The McGill Leo Yaffe Award for Excellence in Teaching (2009)

研究领域

Chemical Physics Materials Chemistry

The goal of this research is to design, prepare, and characterize polymers containing novel functional groups, with which one can fashion thin film micro-optical or bio-active devices. Relating the properties and performance of these structures and simple devices to the structure of the polymer can afford insight into the molecular origins of the optical and mechanical behaviour of polymer surfaces, interfaces, and thin films. By examining these structure/property relationships, one can also tailor the polymers to optimize the performance of a given device, with the eventual goal of rational design. This research program employs classical methods of polymer synthesis, characterization, and thin film fabrication, as well as more specialized techniques of laser optics and surface analysis. The aim is for students to emerge with a solid background in polymer and physical chemistry, and to gain exposure to interdisciplinary problem solving techniques which lie at the interface between Chemistry, Physics, and Materials Engineering. In all projects, an emphasis is placed on developing the ability to communicate research results effectively, through the preparation of conference presentations and journal articles.

近期论文

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Mahimwalla, Z. S.; Yager, K. G.;, Mamiya, J-I.; Shishido, A.; Barrett, C. J. “Photo-MechanicalAzo Polymers, for Light-Powered Actuation and Artificial Muscles” in Optical Nano and Micro Actuator Technology, G. Knopf and Y. Otani, eds. CRC Press, New York, NY. (2012). in production. Yager, K. G,; Barrett, C. J. “Azobenzene Chromophores in Photo-Reversible Materials” in Smart Light-Responsive Materials: Azobenzene-Containing Polymers and Liquid Crystals, Y. Zhao and T. Ikeda, eds., John Wiley and Sons, Boca Raton, Florida (2009). Chapter 1, 1–46. Yager, K. G,; Barrett, C. J. “Amorphous Azobenzene Polymers for Light-Induced Surface Patterning” in Smart Light-Responsive Materials: Azobenzene-Containing Polymers and Liquid Crystals, Y. Zhao and T. Ikeda, eds., John Wiley and Sons, Boca Raton, Florida (2009). Chapter 4, 145–175. Yager, K. G,; Barrett, C. J. “Azo Polymers as Photo-Mechanical and Multifunctional Smart Materials” in Intelligent Materials, M. Shahinpoor and H.-J. Schneider, eds., Royal Society of Chemistry Press, Cambridge, UK (2008). Chapter 17, 424–446. Yager, K. G,; Barrett, C. J. “Light-Induced Nanostructure Formation using Azobenzene Polymers” in the Encyclopedia of NanoScience and NanoTechnology, H. S. Nalwa and S. Miyata, eds., CRC Press, Boca Raton, Florida (2006). Chapter 5, 243–272.