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Low Trap Density Para-F Substituted 2D PEA₂PbX₄ (X = Cl, Br, I) Single Crystals with Tunable Optoelectrical Properties and High Sensitive X-Ray Detector Performance.

ABSTRACT: Exploring halogen engineering is of great significance for reducing the density of defect states in crystals of organic-inorganic hybrid perovskites and hence improving the crystal quality. Herein, high-quality single crystals of PEA₂PbX₄ (X = Cl, Br, I) and their para-F (p-F) substitution analogs are prepared using the facile solution method to study the effects of both p-F substitution and halogen anion engineering. After p-F substitution, the triclinic PEA₂PbX₄ (X = Cl, Br) and cubic PEA₂PbX₄ (X = I) crystals unifies to monoclinic crystal structure for p-F-PEA₂PbX₄ (X = Cl, Br, I) crystals. The p-F substitution and halogen engineering, together with crystal structur

SUBMITTER: Di J

PROVIDER: S-EPMC9590272 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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Low Trap Density Para-F Substituted 2D PEA₂PbX₄ (X = Cl, Br, I) Single Crystals with Tunable Optoelectrical Properties and High Sensitive X-Ray Detector Performance.

OmicsDI is part of the ELIXIR infrastructure

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Low Trap Density Para-F Substituted 2D PEA2PbX4 (X = Cl, Br, I) Single Crystals with Tunable Optoelectrical Properties and High Sensitive X-Ray Detector Performance.

OmicsDI is part of the ELIXIR infrastructure

Tweets

Low Trap Density Para-F Substituted 2D PEA₂PbX₄ (X = Cl, Br, I) Single Crystals with Tunable Optoelectrical Properties and High Sensitive X-Ray Detector Performance.