Professor Nozik is a Professor Adjoint in the Department of Chemistry and Biochemistry and a Senior Research Fellow Emeritus at the National Renewable Energy Laboratory (NREL) in Golden, Colorado; NREL is one of the National Laboratories of the U.S. Department of Energy.   He maintains an active interaction and collaboration with his colleagues at NREL. Professor Conibeer is deputy director of the School of Photovoltaics and Renewable Energy Engineering at the University of New South Wales, Australia. His research interests include third generation photovoltaics; hot carrier cooling in semiconductors and phonon dispersion modulation in nanostructures.