Krzywiecki, M., Grządziel, L., Sarfraz, A., & Erbe, A. (2017). Charge transfer quantification in a SnOx/CuPc semiconductor heterostructure: investigation of buried interface energy structure by photoelectron spectroscopies. Physical Chemistry Chemical Physics, 19(19), 11816-11824. doi:10.1039/C7CP01688C.