Czerny, T., Shen, Q., Konieczny, J., Schroer, M., Winterer, M. and Muckel, F., 2023. Efficient Narrowband Photoconductivity of the Excitonic Resonance in Two-Dimensional Ruddlesden–Popper Perovskites Due to Exciton Polaron, The Journal of Physical Chemistry Letters, 14(20), 4850-4857. https://doi.org/10.1021/acs.jpclett.3c00710