* Corresponding authors

^a Center for Computational Materials Science, US Naval Research Laboratory, Washington, D.C. 20375, USA
E-mail: sasha.efros@nrl.navy.mil

^b Department of Applied Physics and Materials Science, California Institute of Technology, Pasadena, California 91125, USA
E-mail: psercel@caltech.edu

^c Center for Hybrid Organic Inorganic Semiconductors for Energy, Golden, Colorado 80401, USA