David S. Ginley is a Research Fellow and Group Manager in the Process Technology Group, National Center for Photovoltaics at the National Renewable Energy Laboratory (NREL). He received his BS in Mineral Engineering Chemistry from the Colorado School of Mines and his Ph.D. in Inorganic Chemistry from MIT. He is also Past President of the Materials Research Society (MRS). His principal areas of interest are in the application of organic/polymer materials, transition metal oxides and hybrid inorganic/organic semiconductor-based nanomaterials to energy conversion and energy efficiency in the area...