Band gap widening at random CIGS grain boundary detected by valence electron energy loss spectroscopy

Choose the citation style.
Keller, D., Buecheler, S., Reinhard, P., Pianezzi, F., Bissig, B., Carron, R., … Tiwari, A. N. (2016). Band gap widening at random CIGS grain boundary detected by valence electron energy loss spectroscopy. Applied Physics Letters, 109(15), 153103 (4 pp.). https://doi.org/10.1063/1.4964516