Reduced defect density in crystalline halide perovskite films via methylamine treatment for the application in photodetectors oleh Emilia R. Schütz, Azhar Fakharuddin, Yenal Yalcinkaya, Efrain Ochoa-Martinez, Shanti Bijani, Abd. Rashid bin Mohd Yusoff, Maria Vasilopoulou, Tobias Seewald, Ullrich Steiner, Stefan A. L. Weber, Lukas Schmidt-Mende