Dr. Pilar Espinet


Metamaterials, Photovoltaics


Pilar Espinet-González received her Bachelor of Science in Electrical Engineering and Physics from the Universidad Complutense de Madrid (UCM), Spain, in 2005 and her Ph.D. in solar energy from the Solar Energy Institute (IES) – Technical University of Madrid (UPM) in 2012. Her research and dissertation were focused on the modeling, characterization and reliability of concentrator multijunction solar cells. She has recently joined Caltech as a post-doctoral researcher in the Atwater Group and is exploring the development of concentrator photovoltaic systems for terrestrial and space applications.

Available Publications

A flexible phased array system with low areal mass density

Mohammed Reza M. Hashemi, Austin C. Fikes, Matan Gal-Katziri, Behrooz Abiri, Florian Bohn, Amirreza Safaripour, Michael D. Kelzenberg, Emily L. Warmann,
Pilar Espinet, Nina Vaidya, Eleftherios E. Gdoutos, Christophe Leclerc, Fabien Royer, Sergio Pellegrino, Harry A. Atwater and Ali Hajimiri
Nature Electronics (2019)

The Polyhedral Specular Reflector: A Spectrum-Splitting Multijunction Design to Achieve Ultrahigh (>50%) Solar Module Efficiencies

Carissa N. Eisler, Cristofer A. Flowers, Emily C. Warmann, John V. Lloyd, Pilar Espinet-Gonzalez, Sunita Darbe , Michelle S. Dee, Matthew D. Escarra, Emily D. Kosten, Weijun Zhou, and Harry A. Atwater
IEEE Journal of Photovoltaics (2018) - Photovoltaics