Size-dependent optical absorption of Cu2ZnSn(Se,S)4 quantum dot sensitizers from ab initio many-body methodsSabine Körbel, Paul Boulanger, Xavier Blase, Miguel A.L. Marques and Silvana BottiEur. Phys. J. B, 91 10 (2018) 215DOI: https://doi.org/10.1140/epjb/e2018-90206-6