Articles with "low efficiency" as a keyword



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Phosphorescent OLEDs with extremely low efficiency roll-off enabled via rationally designed benzimidazole-based bipolar hosts

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Published in 2020 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2020.108477

Abstract: Abstract Phosphorescent organic light-emitting diodes (PhOLEDs) have manifested enormous potential for display and lighting applications because of their high internal and external quantum efficiencies, nevertheless, severe efficiency roll-off at high luminance remains a major bottleneck… read more here.

Keywords: extremely low; phosphorescent oleds; efficiency roll; low efficiency ... See more keywords
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A symmetric nonpolar blue AIEgen as nondoped fluorescent OLED emitter with low efficiency roll-off

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Published in 2020 at "Organic Electronics"

DOI: 10.1016/j.orgel.2019.105574

Abstract: Abstract Blue emitters are necessary for achieving full-color displaying OLEDs, however, most blue emitters show low efficiency, short lifetime or serious efficiency roll-off, hindering the development of OLED techniques. In this research, a nonpolar symmetric… read more here.

Keywords: blue; efficiency roll; fluorescent; low efficiency ... See more keywords
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Sky-blue nondoped OLEDs based on new AIEgens: ultrahigh brightness, remarkable efficiency and low efficiency roll-off

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Published in 2017 at "Materials Chemistry Frontiers"

DOI: 10.1039/c6qm00075d

Abstract: Two novel AIEgens decorated with fluorenyl and dimesitylboryl groups are prepared. They show high thermal stability and excellent solid-state photoluminescence efficiency. Sky-blue nondoped OLEDs are achieved based on them, affording remarkable electroluminescence efficiencies (12.2 cd… read more here.

Keywords: sky blue; nondoped oleds; low efficiency; ultrahigh brightness ... See more keywords
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Two novel phenanthrene-based host materials in red and green organic light-emitting devices with low efficiency roll-off

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Published in 2018 at "New Journal of Chemistry"

DOI: 10.1039/c8nj03787f

Abstract: Two new organic small molecules composed of phenanthrene, carbazole and an electron deficient moiety were synthesized by a Suzuki coupling reaction. It is particularly intriguing to compare the electroluminescent (EL) properties of PBBM and PBTZ,… read more here.

Keywords: phenanthrene; efficiency roll; low efficiency; organic light ... See more keywords
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Highly efficient and low efficiency roll-off organic light-emitting diodes with double-exciplex forming co-hosts

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Published in 2021 at "Journal of Materials Chemistry C"

DOI: 10.1039/d0tc05842d

Abstract: Double-exciplex hosts possessing multiple energy transfer routes including two reversed intersystem crossing processes are employed to enhance the exciton utilization. read more here.

Keywords: double exciplex; efficiency roll; efficient low; low efficiency ... See more keywords
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Heparin free dialysis in critically sick children using sustained low efficiency dialysis (SLEDD-f): A new hybrid therapy for dialysis in developing world

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Published in 2018 at "PLoS ONE"

DOI: 10.1371/journal.pone.0195536

Abstract: Background In critically sick adults, sustained low efficiency dialysis [SLED] appears to be better tolerated hemodynamically and outcomes seem to be comparable to CRRT. However, there is paucity of data in critically sick children. In… read more here.

Keywords: critically sick; sustained low; sick children; low efficiency ... See more keywords