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

著者 Mei S , Yang B , Wei X , Dai H , Chen Z , Cui Z , Zhang G , Xie F , Zhang W , Guo R
Nanomaterials (Basel).2019 May 31 ; 9(6):.
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All-inorganic CsPbX (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 (CsPbX/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.
PMID: 31159346 [PubMed]
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