Versatile Molecular Functionalization for Inhibiting Concentration Quenching of Thermally Activated Delayed Fluorescence.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201604856
Abstract: Concentration quenching of thermally activated delayed fluorescence is found to be dominated by electron-exchange interactions, as described by the Dexter energy-transfer model. Owing to the short-range nature of the electron-exchange interactions, even a small modulation… read more here.
Keywords: thermally activated; concentration quenching; quenching thermally; delayed fluorescence ... See more keywords
Dynamics of concentration quenching in Eu3+ and Tb3+ doped calcium dioxide-oxo-zirconium perovskite
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-017-8156-z
Abstract: The pure and doped calcium dioxide-oxo-zirconium (CaZrO3) phosphors are synthesized by conventional solid state reaction technique. XRD analysis confirms the phase purity, homogeneity and crystalline nature of prepared phosphors. The FESEM and TEM micrographs show… read more here.
Keywords: dioxide oxo; oxo zirconium; concentration quenching; calcium dioxide ... See more keywords
Correlations between the structural transformations and concentration quenching effect for RE-implanted ZnO systems
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.146421
Abstract: Abstract In this paper, we present optical, structural and electrical studies of the phenomenon called concentration quenching effect occurring in ZnO doped with Rare Earth (RE) ions. For this purpose, the epitaxial ZnO layers grown… read more here.
Keywords: zno; concentration quenching; effect; quenching effect ... See more keywords
Model to explain the concentration quenching on thermoluminescence behaviour of Eu3+ doped Gd2O3 phosphor under UV irradiation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2016.12.415
Abstract: Abstract The present paper reports the synthesis, characterization and thermoluminescence (TL) behaviour of Eu 3+ doped Gd 2 O 3 phosphor. The sample was prepared by the solid state reaction method, which is the most… read more here.
Keywords: thermoluminescence behaviour; microscopy; explain concentration; concentration quenching ... See more keywords
Employing shells to eliminate concentration quenching in photonic upconversion nanostructure.
Sign Up to like & getrecommendations! Published in 2017 at "Nanoscale"
DOI: 10.1039/c7nr01403a
Abstract: It is generally accepted that a lanthanide ions based upconversion material follows an activator low doping strategy (normally read more here.
Keywords: concentration quenching; employing shells; concentration; upconversion ... See more keywords
Negligible concentration quenching in photoluminescent nanocrystals with high photoactive rare-earth concentrations: silica–(Tb,Ce)PO4 transparent glass-ceramic green phosphors
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Materials Chemistry C"
DOI: 10.1039/d0tc06043g
Abstract: Rare-earth (RE) orthophosphates of the form REPO4 are compounds with high RE concentrations (1.3–1.6 × 1022 cm−3) and small distances between adjacent RE sites (∼0.4 nm). Transparent sol–gel-derived silica glasses containing Tb-rich (Tb,Ce)PO4 nanocrystals exhibited… read more here.
Keywords: concentration quenching; quenching photoluminescent; rare earth; negligible concentration ... See more keywords
Pr3+-doped nanoscintillators with concentration-quenching-free properties.
Sign Up to like & getrecommendations! Published in 2023 at "Chemical communications"
DOI: 10.1039/d2cc06555j
Abstract: Luminescence concentration quenching exists widely in lanthanide-doped luminescent nanomaterials, and significantly hinders their emission intensity. In this work, we report the concentration-quenching-free properties of the 406 nm emission in Pr3+-doped nanoscintillators, which is attributed to… read more here.
Keywords: quenching free; concentration quenching; doped nanoscintillators; pr3 doped ... See more keywords
Defect-induced Ce3+ sites preferences and multilevel concentration quenching of a high-efficiency cyan phosphor for high-quality full-visible-spectrum wLED.
Sign Up to like & getrecommendations! Published in 2022 at "Dalton transactions"
DOI: 10.1039/d2dt02205b
Abstract: Currently, the efficient way to synthesize white light-emitting diodes (WLEDs) is combining a near-ultraviolet (n-UV, 380-420 nm) emitting LED chip with tricolor (red, green, and blue) emitting phosphors. However, further improving the color rendering index… read more here.
Keywords: concentration quenching; ce3; high efficiency; cyan ... See more keywords
Distinguishing the respective determining factors for spectral broadening and concentration quenching in multiple resonance type TADF emitter systems.
Sign Up to like & getrecommendations! Published in 2022 at "Materials horizons"
DOI: 10.1039/d2mh00511e
Abstract: Multiple resonance (MR) type thermally activated delayed fluorescence (TADF) emitters have attracted much recent attention due to their narrow emission spectra and high photoluminescence quantum yields (PLQYs). Spectral broadening and concentration quenching at high doping… read more here.
Keywords: concentration quenching; tadf; concentration; multiple resonance ... See more keywords
Ultrathin Y2O3:Eu3+nanodiscs: spectroscopic investigations and evidence for reduced concentration quenching.
Sign Up to like & getrecommendations! Published in 2018 at "Nanotechnology"
DOI: 10.1088/1361-6528/aadc83
Abstract: Here, we report the synthesis and spectral properties of ultrathin nanodiscs (NDs) of Y2O3:Eu3+. It was found that the NDs of Y2O3:Eu3+ with a thickness of about 1 nm can be fabricated in a reproducible,… read more here.
Keywords: eu3 nanodiscs; concentration quenching; ultrathin y2o3; y2o3 eu3 ... See more keywords
Concentration quenching of photoluminescence in optically transparent Lu2O3:Eu thin films deposited to be used as scintillators
Sign Up to like & getrecommendations! Published in 2021 at "Materials Research Express"
DOI: 10.1088/2053-1591/abda64
Abstract: Photoluminescent thin films of europium doped lutetium oxide (Lu2O3:Eu) -an established material for x-ray scintillators- have been grown on glass substrates employing radio-frequency magnetron sputtering deposition technique. Optically transparent, crystalline films were obtained by only… read more here.
Keywords: optically transparent; lu2o3; thin films; concentration quenching ... See more keywords