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- W3167123329 endingPage "130542" @default.
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- W3167123329 abstract "• CsPbBr 3 and CdSe/Dy 3+ +CdSe doped glass nanocomposite layers (GNCs) are synthesized. • CsPbBr 3 and CdSe/Dy 3+ +CdSe doped GNCs show green, and red/yellow emissions, respectively. • Two alternative WLEDs are constructed by coupling GNCs with a blue LED chip. • CsPbBr 3 doped GNC layer exhibits photoluminescence quantum yield (PLQY) of 40.44%. • PLQY of CdSe doped layer is enhanced up to 18.68% via incorporation of Dy 3+ ions. CsPbX 3 (X = Br - , Cl - , I - ) and IIB-VIA group quantum dots (QDs) exhibit great potential for diverse opto-electronic applications due to their outstanding photoluminescence features. However, poor long-term stability limits their integration into practical applications. Although various surface modification and encapsulation methods have been proposed to increase their durability, desired stability values along with favorable emission properties could not be achieved yet. In this work, controlled crystallization of CsPbBr 3 and CdSe QDs are realized separately in a specially tailored silicate glass matrix to obtain quantum dot doped glass nanocomposite (GNC) layers showing typical bright green emission and broadband emission that covers red end of the visible spectrum, respectively. Two alternative white LED devices are constructed as a proof-of-concept by coupling CsPbBr 3 doped layer with CdSe and Dy 3+ +CdSe doped layers on top of a blue LED chip to demonstrate excellent color conversion performance and challenging color rendering index values up to 85. CsPbBr 3 doped GNC layer exhibits photoluminescence quantum yield (PLQY) up to 40.44%, while PLQY of CdSe doped layer is enhanced up to 18.68% via incorporation of Dy 3+ ions. PL properties of GNCs are reversible up to 275 °C and stable after 60 days of immersion in water or under 442 nm laser irradiation (5 W/cm 2 ) up to 30 min. Promising thermal, chemical, and photo stability properties reveal that hybrid coupling of GNCs exhibit high potential to be used as color convertors in solid-state lighting applications." @default.
- W3167123329 created "2021-06-22" @default.
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- W3167123329 date "2021-09-01" @default.
- W3167123329 modified "2023-10-17" @default.
- W3167123329 title "Robust CsPbBr3 and CdSe / Dy3++CdSe quantum dot doped glass nanocomposite hybrid coupling as color converter for solid-state lighting applications" @default.
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- W3167123329 doi "https://doi.org/10.1016/j.cej.2021.130542" @default.
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