William Shafarman

William Shafarman is a Professor and Director of the Institute of Energy Conversion at the University of Delaware, affiliated with the Department of Materials Science and Engineering in the College of Engineering. His research focuses on compound semiconductors for thin film solar cells and optoelectronic applications, particularly Cu(InGa)Se2 (CIGS) alloys and hybrid perovskites. He earned a B.S. in Physics from the University of Delaware and a Ph.D. in Physics from the University of Rochester.

• Research Interests
  • Alloying and bandgap engineering of chalcogenides
  • New compound materials for photovoltaics
  • Device structure design and validation
  • Thin film deposition processes for manufacturing scale-up
• Education
  • B.S. in Physics (University of Delaware)
  • Ph.D. in Physics (University of Rochester)
• Affiliations
  • Institute of Energy Conversion (Director)
  • Department of Materials Science and Engineering

His recent publications emphasize defect analysis, carrier dynamics, doping techniques (especially antimony), and stability improvements in CIGS, CdTe, and perovskite solar cells. Collaborations span university and industrial groups globally, with a focus on process control systems, buffer layer optimization, and phase evolution in thin films.