Size- and concentration-dependent Eu2+/Eu3+ mixed luminescent characteristics of rare-earth-doped CaF2 nanoparticles and their monolithic epoxy nanocomposites

George, Gibin; Hayes, Jacob I.; Collins, Candyce N.; Davis, Jason P.; Yu, Lei; Lin, Yulin; Wen, Jianguo; Ila, D.; Luo, Zhiping

doi:10.1016/j.jallcom.2020.157591

Cited by 20 publications

(9 citation statements)

References 80 publications

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“…81 The ionic conductivity increases with higher temperature up to a certain critical temperature, after which the decomposition of the defect structure is promoted and the conductivity decreases. From this study, it can be concluded that crystal surface defects strongly influence overall bulk conductivities 82,83 and can provide an alternative route as compared to bulk modifications 84,85 .…”

Section: Pbsnf4 Based Solid Fluoride Electrolytesmentioning

confidence: 83%

Fluoride ion batteries – past, present, and future

et al. 2021

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Section: Pbsnf4 Based Solid Fluoride Electrolytesmentioning

confidence: 83%

Fluoride ion batteries – past, present, and future

et al. 2021

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“…Like transition metals, RE ions in crystals show absorption band in UV region due to a transition caused by the transfer of an electron from a ligand to the incomplete f or d shell of the RE ions [153][154][155]. Yb 3+ doped crystals exhibit charge transfer luminescence in the visible and UV regions [156].…”

Section: Rare-earth Doped Scintillators and Refractive Index And Matrmentioning

confidence: 99%

A Review on X-ray Excited Emission Decay Dynamics in Inorganic Scintillator Materials

Kumar

Luo

2021

Photonics

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Scintillator materials convert high-energy radiation into photons in the ultraviolet to visible light region for radiation detection. In this review, advances in X-ray emission dynamics of inorganic scintillators are presented, including inorganic halides (alkali-metal halides, alkaline-earth halides, rare-earth halides, oxy-halides, rare-earth oxyorthosilicates, halide perovskites), oxides (binary oxides, complex oxides, post-transition metal oxides), sulfides, rare-earth doped scintillators, and organic-inorganic hybrid scintillators. The origin of scintillation is strongly correlated to the host material and dopants. Current models are presented describing the scintillation decay lifetime of inorganic materials, with the emphasis on the short-lived scintillation decay component. The whole charge generation and the de-excitation process are analyzed in general, and an essential role of the decay kinetics is the de-excitation process. We highlighted three decay mechanisms in cross luminescence emission, exitonic emission, and dopant-activated emission, respectively. Factors regulating the origin of different luminescence centers controlling the decay process are discussed.

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“…Calcium fluoride (CaF 2 ) is a representative of the fluoride‐type structured halides, an essential family of ionic materials with numerous applications also widely used in metallurgy, construction materials, optics, defense, and other industries 1,2 . CaF 2 is a colorless or white crystalline powder and biocompatible material, which has a basic cubic fluorite‐type structure 1,3,4 . The material is also well known for being a relative fast‐ion conductor, a material in which the lighter ions (F − ) acquire significant mobility comparable to ionic melts at temperatures well below its melting point, possibly useful for energy storage devices like supercapacitors and batteries 5,6 .…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of Ca _{(1−
x
)} Sm _x F _{(2+
x
)} (0 ≤ x ≤ 0.15) solid electrolytes for fluoride‐ion batteries

Molaiyan

Witter

2021

Mat Design & Process Comms

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Calcium fluoride solid electrolytes have been identified as a candidate for solid‐state fluoride‐ion batteries (FIBs). Here, we investigate the doping of CaF2 with samarium — Ca1−xSmxF2+x (0 ≤ x ≤ 0.15) — obtained by solid synthesis via high‐energy ball milling. Structural, morphological, and ionic conductivity studies of the as‐prepared materials were examined. It reveals that the fluorite‐type structure is dominating with a crystallite size of 12–14 nm. The highest ionic conductivity at room temperature had been obtained for Ca0.95Sm0.05F2.95 with a value of 2.8 × 10−6 S·cm−1. It proves that a small content of Sm doping can considerably improve the ionic conductivity of CaF2.

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Size- and concentration-dependent Eu2+/Eu3+ mixed luminescent characteristics of rare-earth-doped CaF2 nanoparticles and their monolithic epoxy nanocomposites

Cited by 20 publications

References 80 publications

Fluoride ion batteries – past, present, and future

Fluoride ion batteries – past, present, and future

A Review on X-ray Excited Emission Decay Dynamics in Inorganic Scintillator Materials

Synthesis and characterization of Ca _{(1−
x
)} Sm _x F _{(2+
x
)} (0 ≤ x ≤ 0.15) solid electrolytes for fluoride‐ion batteries

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Size- and concentration-dependent Eu2+/Eu3+ mixed luminescent characteristics of rare-earth-doped CaF2 nanoparticles and their monolithic epoxy nanocomposites

Cited by 20 publications

References 80 publications

Fluoride ion batteries – past, present, and future

Fluoride ion batteries – past, present, and future

A Review on X-ray Excited Emission Decay Dynamics in Inorganic Scintillator Materials

Synthesis and characterization of Ca (1− x ) Sm x F (2+ x ) (0 ≤ x ≤ 0.15) solid electrolytes for fluoride‐ion batteries

Contact Info

Product

Resources

About

Synthesis and characterization of Ca _{(1−
x
)} Sm _x F _{(2+
x
)} (0 ≤ x ≤ 0.15) solid electrolytes for fluoride‐ion batteries