Exciton tunability in mixed halide hybrid layered perovskites. - Rahil, Mohammad; Mushtaq, Nahiya; Ansari, Hammadur R.; Alam, Mohd. Khurshid; Ahmad, Shahab; Islam, S S; Khanuja, Manika; Husain, Samina; Hafiz, A K (AIP Conference Proceedings, 2020)