Sandner, Daniel;Sun, Kun;Stadlbauer, Anna;Heindl, Markus W.;Tan, Qi Ying;Nuber, Matthias;Soci, Cesare;Kienberger, Reinhard;Müller-Buschbaum, Peter;Deschler, Felix;Iglev, Hristo Hole Localization in Bulk and 2D Lead-Halide Perovskites Studied by Time-Resolved Infrared Spectroscopy Journal of the American Chemical Society 2024 146 29 jul 19852--19862