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

1
Engineering Research Center of Advanced Lighting Technology, Ministry of Education; Institute for Electric Light Sources, Fudan University, Shanghai 200433, China
2
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; https://doi.org/10.3390/nano9060832
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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Abstract

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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