Matches in SemOpenAlex for { <https://semopenalex.org/work/W4366995974> ?p ?o ?g. }
- W4366995974 abstract "Luminescent LnIII complexes incorporated in polymeric films exhibit narrow emission bands and absorption within the near-UV/blue spectral range, and enhanced phostability, which qualify them to be explored for solid-state lighting. Herein, (C26H56N)[Eu(dbm)4] and Na[Tb(acac)4], (C26H56N+ = didodecyldimethylammonium, dbm- =1,3-diphenyl-1,3-propanedionate, acac- = acetylacetonate), were dispersed in PMMA or PVDF films to protect them from degradation, and the obtained blends were applied as downshifting coatings on near-UV emitter LEDs. Upon such excitation, both EuIII and TbIII complexes emit red or green light with absolute emission quantum yields of 6.4 and 99%, respectively. The complex amount within films influences the photophysical parameters due to multiphotonic deactivation, and formation of agglomerates. For the PMMA-based LED prototypes, the LnIII emission is well-observed while for the PVDF ones, only a poor LnIII emission is detected due to their opacity. Therefore, the PMMA-based systems are better candidates to be used as luminescent coatings of near-UV LEDs for solid-state lighting." @default.
- W4366995974 created "2023-04-27" @default.
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- W4366995974 date "2023-01-01" @default.
- W4366995974 modified "2023-10-18" @default.
- W4366995974 title "PMMA or PVDF films blended with β-diketonate tetrakis Eu<sup>III</sup> or Tb<sup>III</sup> complexes used as downshifting coatings of near-UV LEDs" @default.
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- W4366995974 doi "https://doi.org/10.1039/d3sm00239j" @default.
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