Wentao Wang, Fude Liu, Lei Wang, Guandong Yang, Wallace.C.H. Choy, Fei Yan, Steven Johnston, and Mowafak M. Al-Jassim . 2014. “Passivating Silicon Grain Boundaries With Small Polar Molecules for Photovoltaics”. Journal of Solar Energy Research Updates 1 (1):12-18. https://doi.org/10.15377/2410-2199.2014.01.01.2.