@phdthesis{Hartmann2018, author = {Claudia Hartmann}, title = {Surface and interface characterization of CH₃NH₃PbI₍₃₋ₓ₎Clₓ and CsSnBr₃ perovskite based thin-film solar cell structures}, type = {doctoralthesis}, school = {BTU Cottbus - Senftenberg}, year = {2018}, }