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Facile Synthesis and Optical Properties of CsPbX3/ZIF-8 Composites for Wide-Color-Gamut Display

Engineering Research Center of Advanced Lighting Technology, Ministry of Education; Institute for Electric Light Sources, Fudan University, Shanghai 200433, China
Academy for Engineering and Technology, Institute of Future Lighting, Fudan University, Shanghai 200433, China
Author to whom correspondence should be addressed.
Nanomaterials 2019, 9(6), 832;
Received: 12 April 2019 / Revised: 7 May 2019 / Accepted: 18 May 2019 / Published: 31 May 2019
(This article belongs to the Special Issue Synthesis and Applications of Nanomaterials Based on Perovskites)
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All-inorganic CsPbX3 (X = Cl, Br, and I) perovskite quantum dots (QDs), an emerging type of luminescent materials, have drawn extensive attention in recent years. However, the amelioration of their stability is becoming a critical issue. Herein, we present a facile and efficient approach to prepare novel perovskite QDs/metal–organic frameworks (CsPbX3/ZIF-8) composites under ambient-atmospheric conditions. The obtained composites exhibit better properties including high photoluminescence (PL) quantum yields (QYs) (41.2% for green and 34.8% for red), narrow-band emission (20 nm for green and 31 nm for red), and enhanced stability in comparison to bare QDs. Furthermore, their application in a remote-type white-light-emitting device was explored and a wide color gamut (~137% of the National Television System Committee standard) was achieved, verifying that these novel luminescent composites have great prospect in backlight display application. View Full-Text
Keywords: perovskite quantum dots; all-inorganic; ZIF-8; composite; wide-color-gamut display perovskite quantum dots; all-inorganic; ZIF-8; composite; wide-color-gamut display

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Mei, S.; Yang, B.; Wei, X.; Dai, H.; Chen, Z.; Cui, Z.; Zhang, G.; Xie, F.; Zhang, W.; Guo, R. Facile Synthesis and Optical Properties of CsPbX3/ZIF-8 Composites for Wide-Color-Gamut Display. Nanomaterials 2019, 9, 832.

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