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Suppressed Phase Separation of Mixed-Halide Perovskite Quantum Dots Confined in Mesoporous Metal Organic Frameworks.
Ma, Duanqi; Xu, Yanlin; Chen, Qiuying; Ding, Huafeng; Tan, Xiaoming; Xu, Qinfeng; Yang, Chuanlu.
Afiliación
  • Ma D; Department of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China.
  • Xu Y; Department of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China.
  • Chen Q; Department of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China.
  • Ding H; Department of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China.
  • Tan X; Department of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China.
  • Xu Q; Department of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China.
  • Yang C; Department of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China.
Nanomaterials (Basel) ; 13(10)2023 May 16.
Article en En | MEDLINE | ID: mdl-37242071
Mixed-halide perovskite quantum dots (PeQDs) are the most competitive candidates in designing solar cells and light-emitting devices (LEDs) due to their tunable bandgap and high-efficiency quantum yield. However, phase separation in mixed-halide perovskites under illumination can form rich iodine and bromine regions, which change its optical responses. Herein, we synthesize PeQDs combined with mesoporous zinc-based metal organic framework (MOF) crystals, which can greatly improve the stability of anti-anion exchange, including photo-, thermal, and long-term stabilities under illumination. This unique structure provides a solution for improving the performance of perovskite optoelectronic devices and stabilizing mixed-halide perovskite devices.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nanomaterials (Basel) Año: 2023 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza
Texto completo
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Imprimir
XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Nanomaterials (Basel) Año: 2023 Tipo del documento: Article País de afiliación: China Pais de publicación: Suiza