Articles with "luminescent" as a keyword



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Towards Efficient and Stable Donor‐Acceptor Luminescent Radicals

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202208190

Abstract: In contrast to closed‐shell luminescent molecules, the electronic ground state and lowest excited state in organic luminescent radicals are both spin doublet, which results in spin‐allowed radiative transitions. Most reported luminescent radicals with high photoluminescent… read more here.

Keywords: donor acceptor; luminescent radicals; efficiency; luminescent ... See more keywords
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A facile method to prepare the white persistent luminescent fibers based on Sr2ZnSi2O7Eu2+, Dy3+ and fluorescence pigments

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Published in 2018 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-018-8982-7

Abstract: The polyacrylonitrile composite fibers with white persistent luminescence were prepared by adding different concentrations of Sr2ZnSi2O7: Eu2+, Dy3+ (SZO) and Rhodamine B fluorescent pigments (FP) into polyacrylonitrile spinning solution. Morphology, phase structure, color properties, photoluminescence… read more here.

Keywords: fluorescent pigments; luminescent; composite fibers; white persistent ... See more keywords
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A Dual-Functional Lead(II) Metal–Organic Framework Based on 5-Aminonicotinic Acid as a Luminescent Sensor for Selective Sensing of Nitroaromatic Compounds and Detecting the Temperature

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Published in 2019 at "Journal of Inorganic and Organometallic Polymers and Materials"

DOI: 10.1007/s10904-019-01186-0

Abstract: A 2D lead(II) metal–organic framework, namely [PbL(NO 3 )] n (namely complex 1 ), was successfully prepared based on 5-aminonicotinic acid (HL) ligand using the solvothermal method. The as-synthesized sample was studied and characterised in… read more here.

Keywords: temperature; luminescent; metal organic; lead metal ... See more keywords
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Effect of Aromatic and Aliphatic Hydrocarbons on the Spectral and Luminescent Properties of Composites Derived from a Zinc-Containing Coordination Polymer and Dyes

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Published in 2019 at "Theoretical and Experimental Chemistry"

DOI: 10.1007/s11237-019-09592-8

Abstract: New composite materials derived from a porous luminescent zinc-containing coordination polymer and organic dyes, namely, 5-(4-diethylamino)benzylidene)pyrimidine-2,4,6(1H,3H,5H)-trione (KR) and methylene blue (MB) have been prepared. Upon excitation of the polymer matrix, the composite with KR was… read more here.

Keywords: containing coordination; zinc containing; coordination polymer; luminescent ... See more keywords
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Assessing thermometric performance of Sr2CeO4 and Sr2CeO4:Ln3+ (Ln3+ = Sm3+, Ho3+, Nd3+, Yb3+) nanocrystals in spectral and temporal domain

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Published in 2020 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2020.124347

Abstract: Abstract Luminescent thermometry is rapidly growing experimental technique of thermal sensing, which provides the temperature detection in real time and contactless way. To address existing challenges of accurate temperature measurement, we developed and investigated new… read more here.

Keywords: temperature; ln3; luminescent; spectral temporal ... See more keywords
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Lanthanide dopant stabilized Ti3+ state and supersensitive Ti3+ -based multiparametric luminescent thermometer in SrTiO3:Ln3+ (Ln3+ = Lu3+, La3+, Tb3+) nanocrystals

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Published in 2022 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.131165

Abstract: Abstract Herein, we show that the substitution of Sr2+ by trivalent lanthanide ions (Lu3+, La3+, Tb3+) in SrTiO3 nanocrystals stabilizes and enhances Ti3+ near-infrared emission (around 800 nm). This emission occurs from the 6-fold coordinated Ti3+… read more here.

Keywords: ti3; luminescent; emission; tb3 ... See more keywords
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Deep information-hiding based on cascade thermoresponsive luminescence switching of A–π–D–π–A typed carbazole derivatives

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.131293

Abstract: Abstract Protecting the confidential information by hiding its existence exhibits great security. To achieve this, the materials showing several distinct luminescent states upon continuous external stimuli are eagerly anticipated because they can provide pseudo-information to… read more here.

Keywords: luminescent; information hiding; luminescence; typed carbazole ... See more keywords
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Novel ratiometric optical thermometry based on dual luminescent centers from europium doped LiCa3MgV3O12 phosphor

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Published in 2019 at "Ceramics International"

DOI: 10.1016/j.ceramint.2019.05.207

Abstract: Abstract In this paper, an optical thermometry strategy based on dual emission centers involving rare earth ions and self-activated host luminescence has been proposed, which can be used to design self-referencing optical thermometer with high… read more here.

Keywords: based dual; luminescent; optical thermometry; temperature ... See more keywords
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High luminescent thermal stability and water resistance of K2SiF6:Mn4+@CaF2 red emitting phosphor

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Published in 2021 at "Ceramics International"

DOI: 10.1016/j.ceramint.2021.08.218

Abstract: Abstract K2SiF6:Mn4+ (KSF:Mn4+), as an efficient red-emitting phosphor, has a promising application in WLEDs (white light-emitting diodes). However, poor moisture resistance performance still hinders its deeper commercialization. Here, KSF:Mn4+@ CaF2 with high water resistance and… read more here.

Keywords: ksf mn4; water; luminescent; mn4 ... See more keywords
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Luminescent N-heterocycles based molecular backbone interleaved within LDH host structure and dispersed into polymer

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Published in 2020 at "Applied Clay Science"

DOI: 10.1016/j.clay.2020.105561

Abstract: A pyrazino-1,3a,6a-triazapentalene dye-based molecule was intercalated by direct co-precipitation method into the galleries of negatively charged layered double hydroxide (LDH) to form a new luminescent LDH filler. The materials of cation composition Zn/Al = 2… read more here.

Keywords: luminescent heterocycles; luminescent; heterocycles based; based molecular ... See more keywords
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One-dimensional luminescent composite nanofibers of Eu(TFI)3TPPO/PVP prepared by electrospinning

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Published in 2017 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2017.06.056

Abstract: Abstract A new one-dimensional luminescent composite nanofiber of Eu(TFI) 3 TPPO/PVP (TFI = 2-(2,2,2-trifluoroethyl)-1-indone, TPPO = triphenylphosphine oxide, PVP = Poly(vinyl pyrrolidone) has been successfully prepared by electrospinning. The unique microstructure, thermal stability, and luminescent characteristics of the composite nanofibers… read more here.

Keywords: microscopy; luminescent; one dimensional; composite nanofibers ... See more keywords