Directly Identifying Multiple Cr3+ Emitting Centers for Broad Near‐Infrared Emission in an Efficient and Near‐Zero Thermal Quenching Garnet‐Type Phosphor
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Optical Materials"
DOI: 10.1002/adom.202302391
Abstract: Cr3+ doped garnet‐type (A3B2C3O12) near‐infrared (NIR) phosphors is a desirable research hotspot due to their prospective night vision, bioimaging, and plant growth utilizations. Meanwhile, the origin of multisite broad emission is yet a controversial topic.… read more here.
Keywords: cr3; zero thermal; garnet type; emission ... See more keywords
Killing Three Birds with One Stone: Energy Transfer Inducing Efficient, Zero Thermal Quenching, and Emission‐Color Tunable Phosphors
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Optical Materials"
DOI: 10.1002/adom.202401811
Abstract: Red emission phosphors with high efficiency and excellent thermal stability are essential for phosphor‐converted light‐emitting diodes (pc‐LEDs). Na2MgPO4F: Mn2+ shows a very weak red emission peak at 615 nm due to 3d–3d forbidden transition. And… read more here.
Keywords: mn2; emission color; energy transfer; emission ... See more keywords
Photo‐Induced Synthesis of Ytterbium and Manganese‐Doped CsPbCl3 Nanocrystals for Visible to Near‐Infrared Photoluminescence with Negative Thermal Quenching
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Science"
DOI: 10.1002/advs.202408927
Abstract: Rare‐earth‐doped all‐inorganic perovskite applications for near‐infrared (NIR) emission are crucial for the construction of the next generation of intelligent lighting sources. However, the preparation of rare‐earth‐doped all‐inorganic perovskite is complex, and difficult to control, and… read more here.
Keywords: perovskite; photo induced; induced synthesis; emission ... See more keywords
Unraveling Abnormal Thermal Quenching of Sub‐Gap Emission in β‐Ga2O3
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Electronic Materials"
DOI: 10.1002/aelm.202400315
Abstract: In this work, the optical transition of self‐trapped excitons (STEs) and the emergent green emission in β‐Ga2O3 samples with/without Sn impurities at various doping levels have been investigated via temperature‐ and power‐dependent photoluminescence. The ultraviolet… read more here.
Keywords: unraveling abnormal; ga2o3; abnormal thermal; emission ga2o3 ... See more keywords
Effect of doping Sr2+ on luminescence and abnormal thermal quenching behavior of silicate solid-solution green phosphor Ba9Lu2Si6O24:Eu2+
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-018-0122-x
Abstract: A novel Eu2+ ions doped silicate solid-solution green phosphors, (Ba1−ySry)9Lu2Si6O24:0.14Eu2+ (0 ≤ y ≤ 0.25), have been successfully prepared by conventional sintering method. The Rietveld refinement result was taken to determine the pure phase of (Ba1−ySry)9Lu2Si6O24:0.14Eu2+ (0 ≤ y ≤ 0.25). The characteristic… read more here.
Keywords: thermal quenching; solution green; silicate solid; 9lu2si6o24 14eu2 ... See more keywords
Zero-Thermal-Quenching and Improved Chemical Stability of a UCr4C4-Type Phosphor via Crystal Site Engineering
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2020.127664
Abstract: Abstract Europium-doped UCr4C4 cuboid phosphors with narrow and tunable emission show promise for application in designing light-emitting diodes with high color purity and thermal stability. Nevertheless, their poor chemical stability bottlenecks their use in lighting… read more here.
Keywords: zero thermal; thermal quenching; chemical stability; site ... See more keywords
Weak thermal quenching of the luminescence in Y2.94-xLuxAl4GaO12: 0.06Ce3+ green phosphor for white light-emitting diodes
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.08.049
Abstract: Abstract A series of Y2.94-xLuxAl4GaO12: 0.06Ce3+ phosphors were prepared by the conventional solid-state reaction method. It was confirmed that the phosphors exhibit cubic garnet crystal structures by XRD and Rietveld refinements. The phosphors show an… read more here.
Keywords: weak thermal; quenching luminescence; phosphor; thermal quenching ... See more keywords
Optimization of the thermometric performance of single band ratiometric luminescent thermometer based on Tb3+ luminescence by the enhancement of thermal quenching of GSA-excited luminescence in TZPN glass
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.157690
Abstract: Abstract Responding to the latest trends in luminescence thermometry, a new material of TZPN glass doped with Tb3+ ions was investigated for its use in the single band ratiometric approach. In contrast to the most… read more here.
Keywords: thermal quenching; tzpn glass; single band; luminescence ... See more keywords
An optical thermometry based on abnormal negative thermal quenching of the charge transfer band edge
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2019.116636
Abstract: Abstract In this work the temperature-dependent photoluminescence excitation and photoluminescence spectroscopies of Eu3+-doped LuVO4 phosphors have been performed in the 298–448 K range. It is found that the charge transfer band (CTB) of [VO4]3- unites undergoes… read more here.
Keywords: negative thermal; thermometry; thermal quenching; abnormal negative ... See more keywords
Abnormal negative thermal quenching of photoluminescence in CdMnTe:In crystals
Sign Up to like & getrecommendations! Published in 2021 at "Optical Materials"
DOI: 10.1016/j.optmat.2021.111379
Abstract: Abstract Temperature-dependent photoluminescence (PL) properties of indium-doped CdMnTe (CMT:In) crystals were investigated. Four emission peaks of the tip crystal and three emission peaks of the tail crystal from as-grown CMT:In ingot were observed at low-temperature… read more here.
Keywords: negative thermal; cdmnte; thermal quenching; emission peaks ... See more keywords
Tunable Optical Properties and Increased Thermal Quenching in the Blue-Emitting Phosphor Series: Ba2(Y1–xLux)5B5O17:Ce3+ (x = 0–1)
Sign Up to like & getrecommendations! Published in 2017 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.7b01416
Abstract: The preparation of cerium-substituted barium lutetium borate, Ba2Lu5B5O17:Ce3+, is achieved using high temperature solid state synthesis. This compound crystallizes in the Ba2Y5B5O17-type structure and shows an efficient blue emission (λmax = 447 nm) when excited… read more here.
Keywords: ce3; thermal quenching; 5b5o17 ce3; xlux 5b5o17 ... See more keywords