Thubane, Sandile JobNombona, NolwaziDiale, M. (Mmantsae Moche)2025-11-142025-11-142025-11Thubane, S., Nombona, N. & Diale, M. Tuning optoelectronic properties of CsPbI2Br perovskite films via octadecyl ammonium iodide substitution. Journal of Materials Science 60, 22159–22173 (2025). https://doi.org/10.1007/s10853-025-11654-3.0022-2461 (print)1573-4803 (online)10.1007/s10853-025-11654-3http://hdl.handle.net/2263/105301DATA AVAILABILITY : The data that support the findings of this study are available from the corresponding author upon reasonable request.Please read abstract in the article.en© The Author(s), 2025. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License.Metal halide perovskitesNext-generation optoelectronic devicesOptoelectronic propertiesOctadecyl ammonium iodide (ODAI)Article