Matches in SemOpenAlex for { <https://semopenalex.org/work/W3084457205> ?p ?o ?g. }
- W3084457205 endingPage "126950" @default.
- W3084457205 startingPage "126950" @default.
- W3084457205 abstract "High light-quality and low color temperature are two crucial factors for a comfortable healthy illumination. Phosphor-converted white light-emitting diodes (LEDs) could be readily realized by combining near-UV (380–420 nm) LED chips with tri-color phosphors, and thus near-UV-excitable inorganic phosphors with efficient visible luminescence are highly demanded for fabricating high-performance near-UV-pumped white LEDs. Herein, we demonstrated a novel highly efficient green-emitting phosphor based on Ce3+/Tb3+ ions co-activated Ca2GdHf2Al3O12 (abbreviated as: CGHAO) garnet compound, which enabled the realization of ultra-high color rendering warm-white LEDs. Notably, the CGHAO:Ce3+,Tb3+ phosphors could be efficiently excited by near-UV light around 408 nm and exhibited intense green emissions around 543 nm with high internal quantum efficiency of 82.7% and external quantum efficiency of 60.6%. The energy transfer from Ce3+ to Tb3+ ions was studied in detail, and the composition of CGHAO:Ce3+,Tb3+ phosphors was optimized. Utilizing the optimal CGHAO:0.04Ce3+,0.4Tb3+ green phosphor as color converter, a prototype near-UV-pumped white LED device was fabricated, and upon 120 mA driving current it demonstrated bright warm-white light with excellent CIE chromaticity coordinates of (0.391, 0.360), low correlated color temperature of 3575 K, ultra-high color rendering index (Ra = 94.4, R12 = 89.0, and R9 = 80.6) and good luminous efficacy of 27.40 lm·W−1. This work offers a new strategy for designing efficient LED phosphors for high-color-quality solid-state lighting." @default.
- W3084457205 created "2020-09-21" @default.
- W3084457205 creator A5010496688 @default.
- W3084457205 creator A5033449546 @default.
- W3084457205 creator A5035663076 @default.
- W3084457205 creator A5037104867 @default.
- W3084457205 creator A5048826388 @default.
- W3084457205 date "2021-02-01" @default.
- W3084457205 modified "2023-10-17" @default.
- W3084457205 title "Ultra-high color rendering warm-white light-emitting diodes based on an efficient green-emitting garnet phosphor for solid-state lighting" @default.
- W3084457205 cites W1751575257 @default.
- W3084457205 cites W1916752663 @default.
- W3084457205 cites W1984566160 @default.
- W3084457205 cites W2015911566 @default.
- W3084457205 cites W2031039456 @default.
- W3084457205 cites W2031309235 @default.
- W3084457205 cites W2032933809 @default.
- W3084457205 cites W2041741321 @default.
- W3084457205 cites W2043253442 @default.
- W3084457205 cites W2047078416 @default.
- W3084457205 cites W2063808391 @default.
- W3084457205 cites W2101302167 @default.
- W3084457205 cites W2105034005 @default.
- W3084457205 cites W2113151361 @default.
- W3084457205 cites W2147570569 @default.
- W3084457205 cites W2152902542 @default.
- W3084457205 cites W2160633074 @default.
- W3084457205 cites W2169838777 @default.
- W3084457205 cites W2211127823 @default.
- W3084457205 cites W2239469304 @default.
- W3084457205 cites W2320286669 @default.
- W3084457205 cites W2331201903 @default.
- W3084457205 cites W2344299022 @default.
- W3084457205 cites W2344626424 @default.
- W3084457205 cites W2414024328 @default.
- W3084457205 cites W2465082861 @default.
- W3084457205 cites W2508254712 @default.
- W3084457205 cites W2509853506 @default.
- W3084457205 cites W2517166698 @default.
- W3084457205 cites W2519782340 @default.
- W3084457205 cites W2521424867 @default.
- W3084457205 cites W2551169441 @default.
- W3084457205 cites W2551603108 @default.
- W3084457205 cites W2574600818 @default.
- W3084457205 cites W2580793072 @default.
- W3084457205 cites W2589741155 @default.
- W3084457205 cites W2599769543 @default.
- W3084457205 cites W2616384008 @default.
- W3084457205 cites W2734769688 @default.
- W3084457205 cites W2749643353 @default.
- W3084457205 cites W2755717060 @default.
- W3084457205 cites W2762007160 @default.
- W3084457205 cites W2763562846 @default.
- W3084457205 cites W2768606474 @default.
- W3084457205 cites W2782174325 @default.
- W3084457205 cites W2787824702 @default.
- W3084457205 cites W2791932300 @default.
- W3084457205 cites W2795568736 @default.
- W3084457205 cites W2799274180 @default.
- W3084457205 cites W2801303324 @default.
- W3084457205 cites W2802165394 @default.
- W3084457205 cites W2804280390 @default.
- W3084457205 cites W2810712615 @default.
- W3084457205 cites W2884658537 @default.
- W3084457205 cites W2887801180 @default.
- W3084457205 cites W2887876965 @default.
- W3084457205 cites W2888551609 @default.
- W3084457205 cites W2889216145 @default.
- W3084457205 cites W2895387258 @default.
- W3084457205 cites W2898687792 @default.
- W3084457205 cites W2906838213 @default.
- W3084457205 cites W2910577223 @default.
- W3084457205 cites W2911051999 @default.
- W3084457205 cites W2914099348 @default.
- W3084457205 cites W2914772187 @default.
- W3084457205 cites W2916042844 @default.
- W3084457205 cites W2923282454 @default.
- W3084457205 cites W2926025453 @default.
- W3084457205 cites W2940744944 @default.
- W3084457205 cites W2944291108 @default.
- W3084457205 cites W2945985999 @default.
- W3084457205 cites W2947138809 @default.
- W3084457205 cites W2947193899 @default.
- W3084457205 cites W2947718641 @default.
- W3084457205 cites W2950142554 @default.
- W3084457205 cites W2950275809 @default.
- W3084457205 cites W2955401269 @default.
- W3084457205 cites W2964713817 @default.
- W3084457205 cites W2965838881 @default.
- W3084457205 cites W2971138655 @default.
- W3084457205 cites W2981852400 @default.
- W3084457205 cites W2985554209 @default.
- W3084457205 cites W2989805720 @default.
- W3084457205 cites W2990538937 @default.
- W3084457205 cites W2996237738 @default.
- W3084457205 cites W2996634071 @default.
- W3084457205 cites W2997539294 @default.
- W3084457205 cites W3006023055 @default.