Sembito, AlexMwabora, Julius M.Nyongesa, Francis W.Diale, M.2024-11-272024-11-272025-01Sembito, A., Mwabora, J.M., Nyongesa, F.W.& Diale, M. 2025, 'The effect of guanidinium tetrafluoroborate surface passivation on the stability of 2D-PEA2SnI4 perovskite thin films prepared by sequential physical vapor deposition', Physica B: Condensed Matter, vol. 697, art. 416735, pp. 1-11, doi : 10.1016/j.physb.2024.416735.0921-4526 (print)1873-2135 (online)10.1016/j.physb.2024.416735http://hdl.handle.net/2263/99622DATA AVAILABILITY : Data will be made available on request.Please read abstract in the article.en© 2024 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by- nc-nd/4.0/).Sequential physical vapor deposition (SPVD)Guanidinium tetrafluoroborate (GuaBF4)Physical vapor deposition (PVD)Surface treatmentFilm stabilityPerovskitesSDG-09: Industry, innovation and infrastructureArticle