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. 2023 Jul 24;12:177. doi: 10.1038/s41377-023-01206-2

Fig. 1. Strategies on bandgap enlargement for blue perovskite emitters.

Fig. 1

The structural formula of the metal-halide perovskite is ABX3, where A denotes monovalent cation, B denotes metal cations, and X generally denotes halide anions. n denotes the number of B-X octahedron layers between large intercalating cations