01 October 2012 | 00:00 AM Europe/Amsterdam Dr. Paul Leu receives NSF grant to prepare students to develop the next generation of solar cells PITTSBURGHPaul W. Leu, PhDGuangyong Li, PhDJung-kun Lee, PhDSam Spiegel, PhDMary Besterfield-Sacre, PhD Contact: Paul Kovach