Retraction notice to “Improved mixed-dimensional 3D/2D perovskite layer with formamidinium bromide salt for highly efficient and stable perovskite solar cells” [Chem. Eng. J. 428 (2022) 131185] (Chemical Engineering Journal (2022) 428, (S1385894721027662), (10.1016/j.cej.2021.131185))

1. Mohammed, M.K.A.
2. Shalan, A.E.
3. Dehghanipour, M.
4. Mohseni, H.R.