Syntheses and luminescence properties of EU(III) complexes with benzoic acid carboxymethyl ester derivatives

Xi, Peng; Xia, Haiying; Zhao, Fulai; Chen, Bowen

doi:10.1016/j.matlet.2015.08.041

Cited by 14 publications

(3 citation statements)

References 12 publications

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“…In fluorescence spectroscopy, the quantum yield and fluorescence lifetime are determined by the decay from radiative, Γ, and nonradiative, k nr , mechanisms. According to the Jablonski energy level table [13], for free fluorescent molecules without other special quenching processes, the quantum yield, Q, and fluorescence lifetime, τ 0 , are:Q0=sans-serifΓΓ+knr τ0=(Γ+knr)−1…”

Section: Resultsmentioning

confidence: 99%

Polyvinylpyrrolidone Nanofibers Encapsulating an Anhydrous Preparation of Fluorescent SiO2–Tb3+ Nanoparticles

et al. 2019

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A novel anhydrous preparation of silica (SiO2)-encapsulated terbium (Tb3+) complex nanoparticles has been investigated. The SiO2-Tb3+ nanoparticles are incorporated in electrospun polyvinylpyrrolidone hybrid nanofibers. Transmission electron microscopy confirms that Tb3+ complexes are uniformly and stably encapsulated in or carried by nanosilica. The influence of pH on the fluorescence of Tb3+ complexes is discussed. The properties, composition, structure, and luminescence of the resulting SiO2–Tb3+ hybrid nanoparticles are investigated in detail. There is an increase in the fluorescence lifetime of SiO2–Tb3+ nanoparticles and SiO2–Tb3+/polyvinylpyrrolidone (PVP) hybrid nanofibers compared with the pure Tb3+ complexes. Due to the enhanced optical properties, the fluorescent hybrid nanofibers have potential applications as photonic and photoluminescent materials.

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Section: Resultsmentioning

confidence: 99%

Polyvinylpyrrolidone Nanofibers Encapsulating an Anhydrous Preparation of Fluorescent SiO2–Tb3+ Nanoparticles

et al. 2019

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“…TbL, Tb(4-methylbenzoic acid) 3 phen, was prepared as reported previously28. PMMA ( = 31,000 g/mol, / = 1.12) was purchased from Sigma-Aldrich Co.…”

Section: Methodsmentioning

confidence: 99%

Fabrication and characterization of dual-functional ultrafine composite fibers with phase-change energy storage and luminescence properties

Zhao

Xia

et al. 2017

Sci Rep

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Ultrafine composite fibers consisting of a thermoplastic polyurethane solid-solid phase-change material and organic lanthanide luminescent materials were prepared through a parallel electrospinning technique as an innovative type of ultrafine, dual-functional fibers containing phase-change and luminescent properties. The morphology and structure, thermal energy storage, and luminescent properties of parallel electrospun ultrafine fibers were investigated. Scanning electron microscopy (SEM) images showed that the parallel electrospun ultrafine fibers possessed the desired morphologies with smaller average fiber diameters than those of traditional mixed electrospun ultrafine fibers. Transmission electron microscopy (TEM) images revealed that the parallel electrospun ultrafine fibers were composed of two parts. Polymeric phase-change materials, which can be directly produced and spun, were used to provide temperature stability, while a mixture of polymethyl methacrylate and an organic lanthanide complex acted as the luminescent unit. Differential scanning calorimetry (DSC) and luminescence measurements indicated that the unique structure of the parallel electrospun ultrafine fibers provides the products with good thermal energy storage and luminescence properties. The fluorescence intensity and the phase-change enthalpy values of the ultrafine fibers prepared by parallel electrospinning were respectively 1.6 and 2.1 times those of ultrafine fibers prepared by mixed electrospinning.

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“…To date, numerous studies have been conducted on optical nanomaterials, [403][404][405][406][407][408] and in recent years, 2D materials, such as graphene derivatives, phosphorene, and TMDs, have been demonstrated to exhibit unique optical properties. [409][410][411][412][413][414] This is because they represent a unique class of nanomaterials that have a single-atom or fewatom-thick sheet structure, and therefore, show many attractive properties, such as tunable band structures, large exciton binding energies, strong light-matter interactions, and high carrier mobilities.…”

Section: Optical Devicesmentioning

confidence: 99%

Germanium‐based monoelemental and binary two‐dimensional materials: Theoretical and experimental investigations and promising applications

Zhao

Feng

2022

InfoMat

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Two-dimensional (2D) materials based on group IVA elements have attracted extensive attention owing to their rich chemical structures and novel properties. This comprehensive review focuses on the phases of Ge monoelemental and binary 2D materials including germanene and its derivatives, Ge-IVA binary compounds, Ge-VA binary compounds, and Ge-VIA binary compounds.The latest progress in predictive modeling, fabrication, and fundamental and physical property modulation of their stable 2D configurations are presented.Accordingly, various interesting applications of these Ge-based 2D materials are discussed, particularly field effect transistors, photodetectors, optical devices, catalysts, energy storage devices, solar cells, thermoelectric devices, sensors, biomedical materials, and spintronic devices. Finally, this review concludes with a few perspectives and an outlook for quickly expanding the application scope Ge-based 2D materials based on recent developments.

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Syntheses and luminescence properties of EU(III) complexes with benzoic acid carboxymethyl ester derivatives

Cited by 14 publications

References 12 publications

Polyvinylpyrrolidone Nanofibers Encapsulating an Anhydrous Preparation of Fluorescent SiO2–Tb3+ Nanoparticles

Polyvinylpyrrolidone Nanofibers Encapsulating an Anhydrous Preparation of Fluorescent SiO2–Tb3+ Nanoparticles

Fabrication and characterization of dual-functional ultrafine composite fibers with phase-change energy storage and luminescence properties

Germanium‐based monoelemental and binary two‐dimensional materials: Theoretical and experimental investigations and promising applications

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