FIP Seminar Series - Dr. Koen Clays "Colloidal Photonic Crystals: A convenient bottom-up platform for photonic bandgap engineering"
Wednesday, September 9, 2015
12:00 pm - 1:00 pm
Hudson Hall 208
Dr. Koen Clays
"Colloidal Photonic Crystals: A convenient bottom-up platform for photonic bandgap engineering" Dr. Koen Clays Professor, Department of Chemistry Katholieke Universiteit Leuven Belgium, Germany Photonic crystals can be considered the optical analogues of electronic semiconductor materials. Their photonic bandgap can be engineered similar to impurity doping. Colloidal nanoparticles allow for a convenient three-dimensional photonic crystal platform. We have demonstrated different approaches towards bandgap engineering, enhanced energy transfer and lasing in such self-assembled photonic crystals. Our lecture will focus on the inexpensive bottom-up approach to 3D photonic crystals offered from a physical chemistry viewpoint (in contrast to the top-down physical approach offered by lithography and etching). Koen Clays obtained his PhD from the University of Leuven, Belgium, in 1989. He did a postdoc at the Corporate Research Laboratories of the Eastman Kodak Company, Rochester NY. He is now full professor at the Department of Chemistry at the University of Leuven, Belgium and adjunct professor at the Department of Physics and Astronomy of Washington State University, Pullman, WA.