[1] Univ New South Wales, Australian Ctr Adv Photovolta, Sydney, NSW 2052, Australia
[2] Natl Inst Adv Ind Sci & Technol, Res Ctr Photovolta RCPV, Cent 2,Umezono 1-1-1, Tsukuba, Ibaraki 3058568, Japan
[3] Fraunhofer Inst Solar Energy Syst, Dept Characterisat & Simulation CalLab Cells, Heidenhofstr 2, D-79110 Freiburg, Germany
[4] European Commiss, Joint Res Ctr, Directorate Energy Transport & Climate C, Via E Fermi 2749, IT-21027 Ispra, VA, Italy
[5] Natl Renewable Energy Lab, 15013 Denver West Pkwy, Golden, CO 80401 USA