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Halide Perovskite-Chalcohalide Nanocrystal Heterostructures as a Platform for the Synthesis and Investigation of the CsPbCl₃-CsPbI₃ Epitaxial Interface.

ABSTRACT: Halide exchange in lead-based halide perovskites has been studied extensively. While mixed Cl/Br or Br/I alloy compositions can be formed with no miscibility gaps, this is precluded for mixed Cl/I compositions, due to the large difference in Cl^- and I^- ionic radii. Here, perovskite-chalcohalide CsPbCl₃-Pb₄S₃Cl₂ nanocrystal heterostructures are exploited to study the Cl→I exchange and to isolate new types of intermediate structures. The epitaxial interface between the Pb₄S₃Cl₂ chalcohalide and the CsPbCl₃ perovskite significantly influences the intermediate stages of halide exchange in the perovskite domain, leading to coexisting CsPbCl₃ and CsPbI₃ domains, the

SUBMITTER: Livakas N

PROVIDER: S-EPMC12848639 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature

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Halide Perovskite-Chalcohalide Nanocrystal Heterostructures as a Platform for the Synthesis and Investigation of the CsPbCl₃-CsPbI₃ Epitaxial Interface.

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Halide Perovskite-Chalcohalide Nanocrystal Heterostructures as a Platform for the Synthesis and Investigation of the CsPbCl3-CsPbI3 Epitaxial Interface.

OmicsDI is part of the ELIXIR infrastructure

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Halide Perovskite-Chalcohalide Nanocrystal Heterostructures as a Platform for the Synthesis and Investigation of the CsPbCl₃-CsPbI₃ Epitaxial Interface.