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- W3204505936 endingPage "9578" @default.
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- W3204505936 abstract "Heterostructures, combining perovskite nanocrystals (PNC) and chalcogenide quantum dots, could pave a path to optoelectronic device applications by enabling absorption in the near-infrared region, tailorable electronic properties, and stable crystal structures. Ideally, the heterostructure host material requires a similar lattice constant as the guest which is also constrained by the synthesis protocol and materials selectivity. Herein, we present an efficient one-pot hot-injection method to synthesize colloidal all-inorganic cesium lead halide–lead sulfide (CsPbX3 (X = Cl, Br, I)–PbS) heterostructure nanocrystals (HNCs) via the epitaxial growth of the perovskite onto the presynthesized PbS nanocrystals (NCs). Optical and structural characterization evidenced the formation of heterostructures. The embedding of PbS NCs into CsPbX3 perovskite allows the tuning of the absorption and emission from 400 to 1100 nm by tuning the size and composition of perovskite HNCs. The CsPbI3–PbS HNCs show enhanced stability in ambient conditions. The stability, tunable optical properties, and variable band alignments accessible in this system would have implications in the design of novel optoelectronic applications such as light-emitting diodes, photodetectors, photocatalysis, and photovoltaics." @default.
- W3204505936 created "2021-10-11" @default.
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- W3204505936 date "2021-09-28" @default.
- W3204505936 modified "2023-10-11" @default.
- W3204505936 title "One-Pot Synthesis and Structural Evolution of Colloidal Cesium Lead Halide–Lead Sulfide Heterostructure Nanocrystals for Optoelectronic Applications" @default.
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- W3204505936 doi "https://doi.org/10.1021/acs.jpclett.1c02915" @default.
- W3204505936 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34581578" @default.
- W3204505936 hasPublicationYear "2021" @default.
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