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- The successful achievement of high-efficiency and high-stability PNC films indicates that the improved centrifugal casting method used here is effective at preserving the high luminescence of PNCs and enhancing the material stability, which is of great significance in pushing forward applications of solid-state PNC materials in optoelectrical devices.
www.sciencedirect.com/science/article/pii/S0272884221026912
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Does centrifugal casting improve luminous efficiency of PNC films?
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Dec 1, 2021 · Based on the above analyses of the thermal and light illumination stability of the PNC films, we can conclude that PNC films with a high luminous efficiency and a high stability were achieved by using the convenient centrifugal casting technique.
- Canyun Zhang, Chenfei Wang, Jin Chen, Fengchao Wang, Jinfang Kong, Lan Li, Hengxing Dong, Yu Sun, Xi...
- 2021
Dec 1, 2021 · Recently, we developed a centrifugal method by combining silica encapsulation and Na + -ion doping techniques to deposit CsPbBr3-based PNC films and enhance their PLQY and stability at the same time. In this work, centrifugally cast CsPbBr3 PNC films encapsulated with silica achieved a rather uniform surface and a high PLQY of 58.0%.
Sep 1, 2024 · Via the ligand-assisted reaction, highly luminescent CsPbBr 3 perovskite nanocrystal (PNC) films were synthesized by a simple centrifugal casting process based on the supersaturated recrystallization method.
Aug 1, 2021 · Solid-state CsPbBr3-based perovskite nanocrystal (PNC) films with a high photoluminescence quantum yield (PLQY) and an enhanced stability were synthesized using a convenient centrifugal casting...
The PNCs were stable for at least 3 months in solution and solid state. This process also allowed to fabricate PNCs thin films via spin-coating. Notably, they obtained luminescent PNCs both in solution and in film, though the photoluminescence quantum yield (PLQY) was only ≈20%.
Jul 18, 2024 · This study presents a large-area, in situ growth technique for Mg 2+-doped PNC films. The process involved incorporating perovskite precursors and Mg 2+ dopants into a polymethyl methacrylate (PMMA) solution to achieve the in situ growth of Mg 2+-doped PNCs, as opposed to using pre-prepared nanocrystal suspensions for casting thin films. This ...
Aug 28, 2018 · Here we show that continuous centrifugal casting is a universal, scalable and efficient method to produce highly aligned and compact two-dimensional nanosheets films with record performances.
