4.7 Article

Lead-free Mn-doped antimony halide perovskite quantum dots with bright deep-red emission

Journal

CHEMICAL COMMUNICATIONS
Volume 57, Issue 21, Pages 2677-2680

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc08253h

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Funding

  1. Natural Science Foundation of China [22075129]
  2. Natural Science Foundation of Jiangsu Province [BK20180339, BZ2018008]

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The study presents the first synthesis of Mn2+ doped Cs3Sb2Clx/Br9-x (0 <= x <= 9) perovskite quantum dots, which exhibit bright photoluminescence emission at 660 nm and a high quantum yield of approximately 49%, showcasing their potential for optical applications.
We reported the first synthesis of Mn2+ doped Cs3Sb2Clx/Br9-x (0 <= x <= 9) perovskite quantum dots (PQDs) by regulating the coprecipitation of Mn2+ and Sb3+ with thiol ligands. These lead-free PQDs demonstrated bright photoluminescence emission centered at 660 nm and a high quantum yield of similar to 49%, making them suitable for optical applications.

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