Showing papers in "Journal of Luminescence in 2021"

TL;DR: In this article, a series of Ba2La2ZnW2O12:Sm3+ (BLZWO:Sm 3+) phosphors were synthesized and their crystal structure, morphology, and luminescence properties were investigated.

TL;DR: The state-of-the-art of phosphors able to be used as downshifting converter coatings in LEDs for application in lighting, phototherapy, indoor farming, and phototherapy are overviewed as well as issues to be overcome and means to achieve it.

TL;DR: Zhang et al. as discussed by the authors showed that nonpolar solvents play a more vital role in enhancing dual hydrogen bonds in S1 state and verified the excited state intramolecular single proton transfer (ESISPT) mechanism for HDBB.

TL;DR: In this article, a dual-intramolecular hydrogen bonding structure of a chromophore (N, N, N,-bis (salicylidene)-(2-(3″4′-diaminophenyl) benzothiazole) (BTS)) with double hydrogen bond structure was synthesized, and the typical excited-state intramolescular proton transfer (ESIPT) fluorescence phenomenon was observed in dichloromethane (DCM) was observed.

TL;DR: In this article, an optically semiconductor metamaterial sensor for solute concentration sensing is designed based on plasmonically induced transparency (PIT) effect, and the concentration of two aqueous solutions, NaCl and ethanol in water solutions are investigated using the proposed optical sensor.

TL;DR: In this article, the authors presented absorption, photoluminescence (PL), energy transfer and color chromaticity parameterization of ZSFBSi glass doped with Sm3+ ions concentrations.

TL;DR: In this paper, the photoluminescence properties of this sample were investigated by RF-5301 PC Spectrofluorophotometer and X-ray Diffraction (XRD), and Fourier Transform-Infrared Spectroscopy (FT- IR) which showed that the samples were crystallized in a well known structure.

TL;DR: In this article, a tetrastyrene derivative with aggregation induced emission (AIE) and high quantum yields prosperities is synthesized by a simple method, and the optical properties of probe L to Al3+ are investigated using fluorescence emission spectral analysis and a low detection limit of 1.587 × 10−7m for Al 3+ in MeOH/H2O (v/v = 9/1, Tris = 20mM, pH = 7.40) is obtained.

TL;DR: In this paper, a new ratio-metric luminescent thermometer Gd2ZnTiO6(GZTO):Bi3+, Mn4+ is designed, which exhibits both red and blue luminescence under 375nm excitation.

TL;DR: In this article, the effect of Ni2+-doping phase transformation on the crystallographic, luminescence properties, and electron density performance of Sr1-xCaxTiO3:Ni2+ phosphors were investigated.

TL;DR: In this paper, the Judd-Ofelt theoretical approach and Rietveld refinement technique are implemented to gain a profound insight of remarkable structural and optoelectronic aspects of Eu3+-doped Ca9Bi(VO4)7 nanophosphor.

TL;DR: In this article, the authors report on YVO4:Er3+ 0.61% K−1 at room temperature depending on the chosen temperature dependent luminescence parameter.

TL;DR: In this paper, Sm3+ ions doped sodium-tetra-borate glasses were developed by melt quenching technique and their physical and luminescence properties were studied.

TL;DR: In this article, a series of Ba4Gd3(K1-xNax)3(PO4)6F2:Eu2+ (0 − 1 − 1.0) solid solutions were synthesized via crystal-site engineering approach to manipulate the redistribution of Eu 2+ dopant for tunable photoluminescence property.

TL;DR: In this paper, the authors used 1,3,5-benzenetricarboxylic acid (H3BTC) and lanthanide ions (Tb3+ or Eu3+) for the fabrication of green and red luminescence inks for anti-counterfeiting.

TL;DR: In this paper, heavily Bi3+,Eu3+ co-doped Y4GeO8 polycrystalline with tuned visible photoluminescence was prepared by using solid-state reaction method.

TL;DR: In this article, three novel tripodal-structured polyaromatic hydrocarbon-based fluorescent sensors which contain triazole as binding sites and naphthalene, anthracene, pyrene moieties as fluorophores (TN, TA, and TP) were synthesized via click chemistry and fully characterized by standard spectroscopic techniques.

TL;DR: Zhou et al. as mentioned in this paper theoretically studied the effect of water molecules on the excited-state proton transfer (ESPT) process of 6MeAde based on the time-dependent DFT (TDDFT) methods.

TL;DR: In this paper, a series of poly-crystalline phosphors with up-conversion luminescence spectra were recorded under 980-nm excitation and the results indicated that the Tm3+/Yb3+:LuAG polyphor is a promising candidate for wide-range and highly sensitive temperature sensor.

TL;DR: In this article, the phase purity, size distribution, luminescence properties, and decay curves of Gd2InSbO7:Sm3+ were characterized in detail.

TL;DR: In this paper, the crystal structure, luminescence properties and thermal stability of as-prepared phosphors were systematically investigated by means of X-ray diffraction (XRD), photoluminescence excitation spectra (PLE), and variable temperature spectra and showed that Ca2.98SiO4Cl2-yBry:0.02Eu2+ can be used as a potential cyan phosphor for full-spectrum warm white LED.

TL;DR: In this paper, the authors investigated the differences in energy conversion processes in complex LuGd2Ga3Al2O12:Ce3+/Ce4+ ceramics by means of VUV synchrotron irradiation.

TL;DR: In this article, an indoor and outdoor performance of large-area (≥100 cm2) LSCs that employ a donor-acceptor luminophore with a large Stokes shift was reported.

TL;DR: In this article, the exact determination of the excited-state ZPL energies is discussed in detail with demonstrating a risk of erroneous conclusion of whether Cr3+-activated oxide phosphor belongs to a strong or weak crystal-field phosphor.

TL;DR: In this article, the performance of quaternary (Gd,Y)3Al2Ga3O12 compositionally disordered polycrystalline garnet type ceramics doped with Ce or Tb have been investigated for the first time.

TL;DR: In this article, high-temperature melting quenching technology was used to prepare highly transparent Tb3+ ion-doped GeO2-PbO-B2O3-SiO2 (GPBS) magneto-optical glass.

TL;DR: In this paper, the synthesis, crystal structure and photoluminescence properties of novel deep red emitting Mn4+ ions doped Sr2LuTaO6 (SLT) double-perovskite phosphors were successfully synthesized by high-temperature solid-state route under air atmosphere.

TL;DR: In this article, a series of BaSi2O5:RE3+ (RE=Dy, Sm) phosphors varying with the substitution of Ba2+ were prepared using a gel-combustion method.

TL;DR: In this article, the peculiarities of photoluminescence of zinc and cadmium compounds with benzimidazole derivatives with electron-donating ligands Cl−, NO3−, or [B10H10]2− were studied.

TL;DR: In this paper, three possible approaches to optical temperature sensing of a thermographic phosphor were formally compared in upconversion (UC) of Er3+ and Yb3+ doped lanthanum orthoniobate (LNO) phosphor.