Articles with "caf2" as a keyword



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Constructing All‐Inorganic Perovskite/Fluoride Nanocomposites for Efficient and Ultra‐Stable Perovskite Solar Cells

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Published in 2021 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202106386

Abstract: Organic‐inorganic hybrid perovskite solar cells (PSCs) have rapidly developed over the past decade and have achieved the latest certified power conversion efficiency (PCE) up to 25.5%. However, unsatisfactory long‐term operational stability for these hybrid PSCs… read more here.

Keywords: perovskite; perovskite fluoride; caf2; cspbi3 caf2 ... See more keywords
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Mirrored stainless steel substrate provides improved signal for Raman spectroscopy of tissue and cells

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Published in 2017 at "Journal of Raman Spectroscopy"

DOI: 10.1002/jrs.4980

Abstract: Raman spectroscopy (RS) is a powerful technique that permits the non‐destructive chemical analysis of cells and tissues without the need for expensive and complex sample preparation. To date, samples have been routinely mounted onto calcium… read more here.

Keywords: stainless steel; caf2; spectroscopy; steel ... See more keywords
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Luminescence of Nanocrystalline Si in (Si + CaF2)/CaF2 Structures in the Visible Range of the Spectrum

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Published in 2021 at "Russian Physics Journal"

DOI: 10.1007/s11182-021-02316-3

Abstract: Photoluminescence from Si nanocrystals embedded in a CaF2 dielectric matrix and formed on the surface of a Si(111) substrate is demonstrated. The photoluminescence was clearly seen in a dark room at room temperature. The typical… read more here.

Keywords: caf2 caf2; nanocrystalline caf2; luminescence nanocrystalline; caf2 structures ... See more keywords
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Manganese Recovery by Silicothermic Reduction of MnO in BaO-MnO-MgO-CaF2 (-SiO2) Slags

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Published in 2018 at "Metallurgical and Materials Transactions B"

DOI: 10.1007/s11663-018-1175-1

Abstract: The effects of reducing agent, CaF2 content, and reaction temperature upon the silicothermic reduction of MnO in the BaO-MnO-MgO-CaF2 (-SiO2) slags were investigated. Mn recovery was proportional to Si activity in the molten alloy. Moreover,… read more here.

Keywords: recovery; mno; caf2; mno bao ... See more keywords
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Crystallization and spectroscopic characterizations of binary SrO-B2O3 glasses doped with LiF, NaF, CaF2, or TiO2

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Published in 2019 at "Journal of the Australian Ceramic Society"

DOI: 10.1007/s41779-019-00316-8

Abstract: Glasses based on the basic chemical composition of binary strontium borate (SrO 50-B2O350 mol%) together with samples containing dopant (2%) with one of the fluorides (LiF, NaF, CaF2) or TiO2 have been synthesized through the… read more here.

Keywords: lif naf; sro; caf2 tio2; crystallization ... See more keywords
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Preparation of nano - coating powder CaF2@Al(OH)3 and its application in Al2O3/Ti(C,N) self-lubricating ceramic tool materials

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Published in 2020 at "Ceramics International"

DOI: 10.1016/j.ceramint.2020.03.144

Abstract: Abstract Nano CaF2 particles of different sizes were prepared by direct precipitation. The diameters of nano CaF2 particles prepared in mixed solvent can reach 5–7 nm, and can be effectively dispersed. The surface of nano CaF2… read more here.

Keywords: self lubricating; coating powder; tool; caf2 ... 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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Corrosion of enamel with and without CaF2 in molten aluminum at 750 °C

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Published in 2019 at "Corrosion Science"

DOI: 10.1016/j.corsci.2018.12.016

Abstract: Abstract Coatings and bulks of enamel with and without CaF2 were prepared to investigate their corrosion behavior in molten Al at 750 °C. Enamel coatings provide high corrosion resistance to the 304 stainless steel against molten-Al.… read more here.

Keywords: corrosion resistance; enamel without; corrosion enamel; corrosion ... See more keywords
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Investigation on electronic structure and luminescence mechanism of CaF2:Eu3+ from first principles calculations

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Published in 2019 at "Optik"

DOI: 10.1016/j.ijleo.2018.12.173

Abstract: Abstract In this work, we present the results of theoretical calculations based on the density functional theory (DFT) of structural, electronic and optical properties of CaF2 crystal doped with Eu3+ ion. This study covers both… read more here.

Keywords: caf2 eu3; luminescence; caf2; mechanism ... See more keywords
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Enhanced and modulated visible luminescence of Pr3+:CaF2 crystal by co-doping R3+ (R=Y, Gd, Lu) ions

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Published in 2021 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2021.161327

Abstract: Abstract A series of 0.6 at% Pr:CaF2-RF3 (R = Y3+, Gd3+, Lu3+) crystals have been successfully grown by the temperature gradient technique(TGT). The absorption spectra, fluorescence spectra, and fluorescence decay curves were measured and analyzed at… read more here.

Keywords: modulated visible; caf2 crystal; caf2; enhanced modulated ... See more keywords
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Influence of growth conditions on the optical spectra of gamma irradiated BaF2 and CaF2 crystals

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Published in 2019 at "Journal of Crystal Growth"

DOI: 10.1016/j.jcrysgro.2019.125188

Abstract: Abstract A comparative study of the gamma irradiated BaF2 and CaF2 crystals obtained under different growth conditions, using the Bridgman technique, is presented. A special attention was attributed to the influence of trace amount of… read more here.

Keywords: baf2 caf2; gamma irradiated; growth; amount ... See more keywords