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Room temperature synthesis of nanocomposite thin films with embedded Cs₂AgIn_0.9Bi_0.1Cl₆ lead-free double perovskite nanocrystals with long-term water stability, wide range pH tolerance, and high quantum yield.

ABSTRACT: The synthesis of Cs₂AgIn_0.9Bi_0.1Cl₆ nanocrystals was achieved at room temperature under ambient conditions using the ligand-assisted reprecipitation (LARP) method. The synthesized NCs exhibit bright orange emission when excited at 375 nm and have broad photoluminescence (PL) emission spectra with a maximum of 630 nm. A photoluminescence quantum yield (PLQY) of 36% was observed in these NCs without any polymer coatings. Polystyrene (PS), and poly (methyl methacrylate) (PMMA) were used to enhance the water stability and PLQY values up to 64%. Nanocomposite thin films with these polymer encapsulations exhibit good thermal stability up to at least 353 K and high quantum yields. PMMA-coated NCs showed long-term water stability for at least 4 months. T

SUBMITTER: Bayer S

PROVIDER: S-EPMC11197404 | biostudies-literature | 2024 Jun

REPOSITORIES: biostudies-literature

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Room temperature synthesis of nanocomposite thin films with embedded Cs₂AgIn_0.9Bi_0.1Cl₆ lead-free double perovskite nanocrystals with long-term water stability, wide range pH tolerance, and high quantum yield.

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Room temperature synthesis of nanocomposite thin films with embedded Cs2AgIn0.9Bi0.1Cl6 lead-free double perovskite nanocrystals with long-term water stability, wide range pH tolerance, and high quantum yield.

OmicsDI is part of the ELIXIR infrastructure

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Room temperature synthesis of nanocomposite thin films with embedded Cs₂AgIn_0.9Bi_0.1Cl₆ lead-free double perovskite nanocrystals with long-term water stability, wide range pH tolerance, and high quantum yield.