Matches in SemOpenAlex for { <https://semopenalex.org/work/W4311456869> ?p ?o ?g. }
- W4311456869 abstract "Sensitizing fluorescent materials is an effective way to maximally use excitons and obtain high-efficiency blue organic light-emitting diodes (OLEDs). However, it is a persistent challenge for present amorphous thin-film OLEDs to improve photon emission under low driving voltage, severely impeding the development of OLED technology. Here, we propose a novel OLED architecture consisting of a crystalline host matrix (CHM) and embedded “hot exciton” nanoaggregates (HENAs), which effectively sensitize blue dopant (D) emission. Owing to the advantages of the crystalline thin-film route, the device exhibits largely enhanced blue photon output [Commission International de L’Eclairage coordinates of (0.15, 0.17)], with a low turn-on/operation voltage of 2.5 V (at 1 cd/m 2 )/3.3 V (at 1000 cd/m 2 ), an extremely low Joule heat loss ratio (7.8% at 1000 cd/m 2 ), and a maximum external quantum efficiency (EQE) up to 9.14%. These areal photon output features have outperformed the present amorphous thin-film blue OLEDs with high EQE, demonstrating that the CHM-HENA-D OLED is promising for future OLEDs." @default.
- W4311456869 created "2022-12-26" @default.
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- W4311456869 date "2022-12-14" @default.
- W4311456869 modified "2023-10-12" @default.
- W4311456869 title "High-efficiency blue-emission crystalline organic light-emitting diodes sensitized by “hot exciton” fluorescent nanoaggregates" @default.
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- W4311456869 doi "https://doi.org/10.1126/sciadv.add1757" @default.
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