Colloidal Synthesis and Optical Properties of Cs<sub>2</sub>CuCl<sub>4</sub> Nanocrystals

Lead-free copper halide perovskite nanocrystals (NCs) are emerging materials with excellent photoelectric properties. Herein, we present a colloidal synthesis route for orthorhombic Cs<sub>2</sub>CuCl<sub>4</sub> NCs with a well-defined cubic shape and an average diameter of...

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التفاصيل البيبلوغرافية
الحاوية / القاعدة:Crystals
المؤلفون الرئيسيون: Wanying Gu, Yicheng Zeng, Yuan Deng, Pan Huang, Geyu Jin, Fangze Liu, Jing Wei, Hongbo Li
التنسيق: مقال
اللغة:الإنجليزية
منشور في: MDPI AG 2023-05-01
الموضوعات:
Cs<sub>2</sub>CuCl<sub>4</sub> nanocrystals
Ag passivation
photoluminescence quantum yield
stability
الوصول للمادة أونلاين:https://www.mdpi.com/2073-4352/13/6/864
الوصف
الملخص:Lead-free copper halide perovskite nanocrystals (NCs) are emerging materials with excellent photoelectric properties. Herein, we present a colloidal synthesis route for orthorhombic Cs<sub>2</sub>CuCl<sub>4</sub> NCs with a well-defined cubic shape and an average diameter of 24 ± 2.1 nm. The Cs<sub>2</sub>CuCl<sub>4</sub> NCs exhibited bright, deep blue photoluminescence, which was attributed to the Cu(II) defects. In addition, passivating the Cs<sub>2</sub>CuCl<sub>4</sub> NCs by Ag<sup>+</sup> could effectively improve the photoluminescence quantum yield (PLQY) and environmental stability.
تدمد:2073-4352

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