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   Articles with "bi3" as a keyword



Synergistic Energy Transfer and Electron‐Capture Competition for Giant Enhancement of Red Persistent Luminescence in LiYGeO4:Mn2+ via Bi3+ Doping

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recommendations! Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202511845

Abstract: Exploring efficient strategies to enhance persistent luminescence (PersL) is highly demanded to facilitate advanced applications of inorganic PersL phosphors. In this work, a remarkable enhancement of Mn2+ PersL in LiYGeO4 (LYGO) with tunable wavelengths is… read more here.

Keywords: mn2; persl; bi3; electron capture ... See more keywords

Differences of Characteristics and Performance with Bi3+ and Bi2O3 Doping Over TiO2 for Photocatalytic Oxidation Under Visible Light

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recommendations! Published in 2019 at "Catalysis Letters"

DOI: 10.1007/s10562-019-03017-w

Abstract: Bi-doped TiO2 photocatalysts were synthesized by sol with a high-pressure hydrothermal method and developed for the photocatalytic degradation of formaldehyde under the visible light irradiation and ambient temperature. According to characterization, some Bi-doped TiO2 can… read more here.

Keywords: tio2; bi2o3; visible light; bi2o3 doping ... See more keywords

Enhanced Eu3+ emission in Ca2LaTaO6:Eu3+ phosphors by codoping Bi3+

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recommendations! Published in 2020 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-020-03445-0

Abstract: The Bi3+/Eu3+ singly and codoped double perovskite Ca2LaTaO6 phosphors were made via solid-phase sintering with the addition of H3BO3. X-ray powder diffraction patterns, morphology, particle size, and photoluminescence properties of them were researched. All of… read more here.

Keywords: ca2latao6 phosphors; eu3 emission; bi3; ca2latao6 ... See more keywords

Dual-functional application of Ca2Ta2O7:Bi3+/Eu3+ phosphors in multicolor tunable optical thermometry and WLED

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recommendations! Published in 2024 at "Frontiers of Optoelectronics"

DOI: 10.1007/s12200-024-00134-2

Abstract: A series of Bi3+/Eu3+ co-doped Ca2Ta2O7 (CTO:Bi3+/Eu3+) phosphors were prepared by high-temperature solid-state method for dual-emission center optical thermometers and white light-emitting diode (WLED) device. By modulating the doping ratio of Bi3+/Eu3+ and utilizing the… read more here.

Keywords: cto 04bi3; bi3; bi3 eu3; eu3 phosphors ... See more keywords
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Bi3+ occupancy rearrangement in K2-xAxMgGeO4 phosphor to achieve ultra-broad-band white emission based on alkali metal substitution engineering

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recommendations! Published in 2021 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2021.150252

Abstract: Abstract Ultra-broad-band white emitting phosphors have a wide application prospect in the new generation of illumination systems. Due to the sensitivity of Bi3+ to the surrounding environment, it exhibits different luminescence properties in different crystallographic… read more here.

Keywords: substitution engineering; bi3; emission; white emission ... See more keywords

A novel narrow-band blue-emitting phosphor of Bi3+-activated Sr3Lu2Ge3O12 based on a highly symmetrical crystal structure used for WLEDs and FEDs

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recommendations! Published in 2020 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2020.126130

Abstract: Abstract Investigating highly efficient narrow-band emission phosphors that have strong excitation bands in the near-ultraviolet (NUV) region is the main goal of the present light-emitting diode (LED) research, especially for Bi3+-activated phosphors. The naked 6s… read more here.

Keywords: activated phosphors; phosphor; narrow band; bi3 activated ... See more keywords

Luminescence and self-referenced optical temperature sensing performance in Ca2YZr2Al3O12:Bi3+,Eu3+ phosphors

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recommendations! Published in 2020 at "Ceramics International"

DOI: 10.1016/j.ceramint.2019.11.081

Abstract: Abstract Ca2YZr2Al3O12:Bi3+,Eu3+ phosphors were elaborated by a traditional solid-state reaction method. The luminescence of Ca2YZr2Al3O12:Bi3+ samples, energy transfer from Bi3+ to Eu3+, and the temperature sensing properties of Ca2YZr2Al3O12:Bi3+,Eu3+ samples have been systematically researched. Under… read more here.

Keywords: bi3 eu3; ca2yzr2al3o12 bi3; bi3; temperature ... See more keywords
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Enhanced luminescence and energy transfer performance of double perovskite structure Gd2MgTiO6:Bi3+, Mn4+ phosphor for indoor plant growth LED lighting

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recommendations! Published in 2021 at "Ceramics International"

DOI: 10.1016/j.ceramint.2021.02.230

Abstract: Abstract Deep-red light emitting phosphors are widely used in LEDs for indoor plant growth because of the critical role played by red light in plant growth. The luminescence properties of deep-red phosphors are still not… read more here.

Keywords: bi3; energy transfer; luminescence; bi3 mn4 ... See more keywords

Efficient extraction of bismuth from hydrochloric acid solution by copper powder

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recommendations! Published in 2019 at "Hydrometallurgy"

DOI: 10.1016/j.hydromet.2019.105121

Abstract: Abstract An efficient method for extracting bismuth (Bi3+) from a hydrochloric acid (HCl) system by cementation with copper (Cu0) powder was proposed in this work. The thermodynamic properties of cementation were investigated via cyclic voltammetry… read more here.

Keywords: cementation; bismuth; copper powder; bi3 ... See more keywords

Improving red afterglow properties of CaZnGe2O6: Mn2+ by co-doping Bi3+

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recommendations! Published in 2021 at "Optik"

DOI: 10.1016/j.ijleo.2021.167799

Abstract: Abstract Bi3+, Mn2+ co-doped CaZnGe2O6 red long afterglow materials were prepared by high temperature solid state reaction method. The phosphor has broad excitation band ranging from 220 nm to 350 nm with two peaks at 255 nm and… read more here.

Keywords: afterglow properties; red afterglow; bi3; caznge2o6 mn2 ... See more keywords

Modifying optical and photochemical properties of bismuth oxyfluoride BiTe3O7F via stoichiometry alteration between Bi3+ and Te4+ ions

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recommendations! Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2020.156465

Abstract: Abstract Bismuth oxyfluoride compounds have been intensively investigated as optical materials for multifunctional applications. In this work, preparation, optical and photocatalytic properties of a novel bismuth oxyfluoride BiTe3O7F were reported. To modify the performances, Bi1-4x/3Te3+xO7F… read more here.

Keywords: stoichiometry; bite3o7f; oxyfluoride bite3o7f; bismuth oxyfluoride ... See more keywords