Exploring Lysine Incorporation as a Strategy to Mitigate Postsynthetic Halide Exchange in Lead-Halide Hybrid Perovskites.

ABSTRACT: Lead-halide hybrid perovskites (RNH₃PbX₃, X = halide, e.g., Cl, Br, I; R = organic moiety) show promise for next-generation optoelectronic devices due to their simple synthesis routes, strong light absorption, and high photoluminescence quantum yield. However, postsynthetic halide exchange in lead-halide perovskites poses a challenge for the functionality of many perovskite devices. For example, in all-perovskite heterostructures, halide diffusion results in the formation of undesired mixed alloys rather than sharp interfaces required for many optoelectronic applications. To address this issue, we incorporated lysine molecules, one of the 20 common amino acids, into a hybrid perovskite MAPbBr₃ (MA = CH₃NH₃) host and investigated their

SUBMITTER: Lang A 

PROVIDER: S-EPMC11826507 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature