Paul F. Ndione, Andres Garcia, N. Edwin Widjonarko, Ajaya K. Sigdel, K. Xerxes Steirer, Dana C. Olson, Philip A. Parilla, David S. Ginley, Neal R. Armstrong, Robin E. Richards, Erin L. Ratcliff, Joseph J. Berry, Adv. Energy Mater., 2013, 3(4), 524–531. "Highly-Tunable Nickel Cobalt Oxide as a Low-Temperature P-Type Contact in Organic Photovoltaic Devices."













