Green, M.A, et al
Dunlop, Prog. Photovolt. Res. Appl 23
2014) p. 1.
 Shockley, W., et al, Journal of Applied Physics 32(3
1961) p. 510.
 Paulauskas, T., et al, Acta Crystallographica Section A Foundations and Advances 70(6
2014) p. 524.
 Sun, C., et al, Scientific Reports 6(1
2016) p. 27009.
 This work is supported by the U.S. Department of Energy's Office of Enery Efficiency and Renewable Energy (EERE) under Solar Energy Technology Office (SETO) Award Number DE-EE00007545. Use of the Center for Nanoscale Materials, an Office of Science user facility, was supported by the U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-06CH11357..