Direct observation of an inhomogeneous chlorine distribution in CH <sub>3</sub> NH <sub>3</sub> PbI <sub>3−x</sub> Cl <sub>x</sub> layers: surface depletion and interface enrichmentDavid E. Starr, Marcus Bär, Jan H. Alsmeier et al.|Energy & Environmental Science|2015Cited by 103
Microcrystalline silicon oxides for silicon-based solar cells: impact of the O/Si ratio on the electronic structureMarcus Bär, Clemens Heske, David E. Starr et al.|Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE|2014Cited by 1