1. Department of Chemical Engineering and Conn Center for Renewable Energy Research; University of Louisville; Louisville KY USA
2. National Renewable Energy Laboratory; Golden CO USA
3. Institute of Electronic Structure and Laser (IESL); Foundation of Research and Technology-Hellas (FORTH); Heraklion Crete Greece
4. Department of Materials Science and Engineering; Iowa State University; Ames IA USA
5. Center for Computational Sciences; University of Kentucky; Lexington KY USA
6. Department of Physics and Astronomy; University of Kentucky; Lexington KY USA