@misc{HandickReinhardAlsmeieretal., author = {Handick, Evelyn and Reinhard, Patrick and Alsmeier, Jan Hendrik and K{\"o}hler, Leonard and Pianezzi, Fabian and Krause, Stefan and Gorgoi, Mihaela and Ikenaga, Eiji and Koch, Norbert and Wilks, Regan G. and B{\"u}cheler, Stephan and Tiwari, Ayodhya N. and B{\"a}hr, Marcus}, title = {Potassium postdeposition treatment-induced band gap widening at Cu(In,Ga)Se₂ surfaces - Reason for performance leap?}, series = {ACS Applied Materials \& Interfaces}, volume = {7}, journal = {ACS Applied Materials \& Interfaces}, number = {49}, issn = {1944-8244}, doi = {10.1021/acsami.5b09231}, pages = {27414 -- 27420}, language = {en} } @misc{StarrSadoughiHandicketal., author = {Starr, David E. and Sadoughi, Golnaz and Handick, Evelyn and Wilks, Regan G. and Alsmeier, Jan Hendrik and K{\"o}hler, Leonard and Gorgoi, Mihaela and Snaith, Henry J. and B{\"a}r, Marcus}, title = {Direct observation of an inhomogeneous chlorine distribution in CH3NH3PbI3-xClx layers: surface depletion and interface enrichment}, series = {Energy \& Environmental Science}, volume = {8}, journal = {Energy \& Environmental Science}, number = {5}, issn = {1754-5692}, doi = {10.1039/C5EE00403A}, pages = {1609 -- 1615}, language = {en} }