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   Articles with "high quantum" as a keyword



Non-doped and non-modified carbon dots with high quantum yield for the chemosensing of uric acid and living cell imaging.

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recommendations! Published in 2022 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2022.339571

Abstract: Carbon dots without heteroatoms-doping and surface modifications were designed to be a novel chemosensing strategy on the quantitative detection of uric acid (UA) with the aid of uricase-induced enzymatic reaction and Fenton reaction. In this… read more here.

Keywords: carbon; high quantum; quantum yield; carbon dots ... See more keywords
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Barium charge transferred doped carbon dots with ultra-high quantum yield photoluminescence of 99.6% and applications

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recommendations! Published in 2020 at "Chinese Chemical Letters"

DOI: 10.1016/j.cclet.2020.05.037

Abstract: Abstract Long-emission carbon dots (CDs) is triggering immense enthusiasm on account of their intrinsic merits of high chemical stability and excellent optical properties. In this study, a facile and rapid approach was developed for the… read more here.

Keywords: doped carbon; carbon; carbon dots; high quantum ... See more keywords

High quantum yield red-emission phosphor Li2Ge4O9:Mn4+ for WLEDs application

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recommendations! Published in 2019 at "Optical Materials"

DOI: 10.1016/j.optmat.2019.109442

Abstract: Abstract A series of high quantum yield Li2Ge4O9:Mn4+ phosphors are prepared by solid-state reaction method, and their structure has been determined by X-ray powder diffraction with Rietveld refinement. The excitation spectra of Li2Ge4O9:Mn4+ exhibits two… read more here.

Keywords: li2ge4o9 mn4; high quantum; mn4; phosphor ... See more keywords

Two Manganese(II)-Based Hybrid Multifunctional Phase Transition Materials with Strong Photoluminescence, High Quantum Yield, and Switchable Dielectric Properties: (C6NH16)2MnBr4 and (C7NH18)2MnBr4.

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recommendations! Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c01276

Abstract: Multifunctional materials have always been an attractive research area, but how to combine multiple excellent properties in one compound remains a considerable challenge. Organic-inorganic hybrid compounds are widely used in the design of such materials… read more here.

Keywords: c6nh16 2mnbr4; high quantum; phase; 2mnbr4 c7nh18 ... See more keywords

Green and Orange Emissive Carbon Dots with High Quantum Yields Dispersed in Matrices for Phosphor-Based White LEDs

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recommendations! Published in 2020 at "ACS Sustainable Chemistry & Engineering"

DOI: 10.1021/acssuschemeng.9b06008

Abstract: Carbon dots (CDs) have aroused more interest in the LED phosphor. High quantum yields and suppressing solid-state luminescence quenching are the key factors for CDs to prepare high-quality phosphor... read more here.

Keywords: quantum yields; carbon dots; high quantum; phosphor ... See more keywords

High Quantum Yields from Perfluorinated Binolate Erbium Complexes and Their Circularly Polarized Luminescence.

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recommendations! Published in 2024 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.4c01165

Abstract: High quantum yield and circularly polarized luminescence (CPL) brightness values are reported from Shibasaki-type erbium complexes supported by a perfluorinated Binol ligand (F12Binol). The total fluorination of the ligand circumvents nonradiative quenching from Csp2-H vibrations… read more here.

Keywords: erbium complexes; high quantum; polarized luminescence; erbium ... See more keywords

Finely-tuned NIR-to-visible up-conversion in La2O3:Yb3+,Er3+ microcrystals with high quantum yield

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recommendations! Published in 2017 at "Journal of Materials Chemistry C"

DOI: 10.1039/c6tc05322j

Abstract: Up-conversion (UC) materials whose emission color can be finely-tuned while a high UC quantum efficiency is maintained are desirable for many applications. Herein, we report near-infrared-to-visible La2O3:Yb3+,Er3+ (LYE) UC materials with a high internal quantum… read more here.

Keywords: la2o3 yb3; high quantum; finely tuned; yield ... See more keywords
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High quantum yield and unusual photoluminescence behaviour in tetrahedral manganese(II) based on hybrid compounds

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recommendations! Published in 2018 at "Inorganic chemistry frontiers"

DOI: 10.1039/c8qi00793d

Abstract: Two novel tetrahedral manganese(II) complexes, (N-methylpiperidinium)MnCl4 (1) and (N-methylpyrrolidinium)MnCl4 (2), with clearly distinct fluorescence characteristics were synthesized through organic cation modulation. Compound 1 exhibits prominent green luminescence with a high quantum yield of 79.37% and… read more here.

Keywords: unusual photoluminescence; high quantum; yield unusual; quantum yield ... See more keywords

Novel Eu3+-activated Ca3Ga2Ge4O14 red-emitting phosphors with high quantum efficiency for plant growth lighting and white LEDs.

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recommendations! Published in 2024 at "Dalton transactions"

DOI: 10.1039/d4dt02207f

Abstract: In recent years, rare-earth-based phosphors for near-ultraviolet (NUV)-triggered white light emitting diodes (w-LEDs) have become a research hotspot. However, it is still not possible to obtain phosphors with high quantum yield, excellent color purity and… read more here.

Keywords: high quantum; plant growth; color; phosphors high ... See more keywords

Fabrication of a uniform quantum dot film with a high quantum yield

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recommendations! Published in 2024 at "Nanotechnology"

DOI: 10.1088/1361-6528/ad86c6

Abstract: We present a method that uses viscosity-lowering materials to fabricate flexible polydimethylsiloxane-based quantum dot (QD) films with high quantum yield (QY) and improved uniformity. We found that the aggregation of individual QDs was prevented, and… read more here.

Keywords: high quantum; quantum dot; quantum; quantum yield ... See more keywords

High Quantum Yield Colloidal Semiconducting Nanoplatelets and High Color Purity Nanoplatelet QLED

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recommendations! Published in 2019 at "IEEE Transactions on Nanotechnology"

DOI: 10.1109/tnano.2019.2891242

Abstract: Recently, colloidal semiconductor nanoplatelets (NPLs) have drawn attention due to their quasi-two-dimensional quantum well structure with extremely narrow photoluminescence. However, the quantum yield of NPLs reported so far is still low compared to the traditional… read more here.

Keywords: high quantum; yield; quantum yield; color purity ... See more keywords