Articles with "infrared luminescence" as a keyword



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Preparation of SiO2/YPO4:Nd/SiO2 composite microspheres with near-infrared luminescence and surface functionalization

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Published in 2020 at "Journal of Nanoparticle Research"

DOI: 10.1007/s11051-020-05053-9

Abstract: In this study, the core/shell/shell-structured SiO2/YPO4:Nd/SiO2 composite microspheres with near-infrared luminescence property were prepared by sol-gel method. The morphology and structure of the as-prepared microspheres were observed by transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy… read more here.

Keywords: near infrared; sio2; composite microspheres; infrared luminescence ... See more keywords
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Syntheses, Crystal Structures, Magnetic and Near-infrared Luminescence Properties of 3d-4f Coordination Polymers Cu2Pr2, Cu2Eu2 and Cu4Tb2

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Published in 2019 at "Chemical Research in Chinese Universities"

DOI: 10.1007/s40242-019-9058-9

Abstract: Three new 3d−4f heterometallic coordination polymers(CPs), namely, [Pr2(CuL)2(nipt)3(H2O)]·2H2O (Cu2Pr2, 1), [Eu2(CuL)2(nipt)3(H2O)]·2H2O(Cu2Eu2, 2) and [Tb2(CuL)4(nipt)3]·8.3H2O(Cu4Tb2, 3)(CuL, H2L=2,3-dioxo-5,6,14,15-dibenzo-1,4,8,12-tetraazacyclo-pentadeca-7,13-dien; nipt2-=5-nitroisophthalate) were obtained by a solvothermal method and structurally characterized by single-crystal X-ray diffraction analyses, elemental analyses, Fourier transform… read more here.

Keywords: cu2eu2; infrared luminescence; near infrared; topology ... See more keywords
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Near-infrared luminescence and magnetism of dinuclear lanthanide complexes constructed from a schiff-base and different β-diketonate coligands

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Published in 2021 at "Inorganica Chimica Acta"

DOI: 10.1016/j.ica.2021.120497

Abstract: Abstract Seven new dinuclear lanthanide complexes based on a schiff-base ligand H2L and β-diketonate coligands have been synthesized and characterized: [Eu2(acac)4(HL)2]·3C2H5OH (1), [Ln2(acac)2(HL)4]·6C2H5OH (Ln = Tb(2), Dy(3), Er(4), Yb(5)), [Dy2(bfa)4(HL)2]·2H2O (6), [Dy2(tmhd)2(HL)4] (7) (H2L =… read more here.

Keywords: infrared luminescence; near infrared; diketonate coligands; lanthanide complexes ... See more keywords
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Enhanced near infrared luminescence of Lu2GeO5: Nd3+ by the co-doping of Bi3+

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Published in 2019 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2018.10.029

Abstract: Abstract Near infrared luminescence of Nd3+ ions have obtained extensive applications. Sensitation from another luminescence centers is crucial to the applications of Nd3+ for the poor absorption of Nd3+ in ultraviolet and visible spectral regions.… read more here.

Keywords: infrared luminescence; near infrared; bi3; doping bi3 ... See more keywords
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Reverse photodegradation of infrared luminescence of colloidal Ag2S quantum dots

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Published in 2019 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2018.12.019

Abstract: Abstract Regularities of reverse photodegradation of infrared (IR) luminescence of colloidal Ag2S quantum dots (QDs), stabilized in gelatin with the average size of 1.6 nm ( λ lum max = 1205 nm) and passivated with thyoglicolic acid with… read more here.

Keywords: infrared luminescence; colloidal ag2s; reverse photodegradation; luminescence ... See more keywords
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Near infrared luminescence of Nd, Er and Yb complexes with perfluorinated 2-mercaptobenzothiazolate and phosphine oxide ligands

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Published in 2021 at "Optical Materials"

DOI: 10.1016/j.optmat.2021.111241

Abstract: Abstract In order to obtain new NIR luminescent lanthanide complexes free of C-H and C-O bonds the perfluorinated 2-mercaptobenzothiazolate (mbtF) was used as organosulphide antenna ligand and the perfluorinated triphenylphosphine oxide (TPPOF) was used to… read more here.

Keywords: infrared luminescence; near infrared; complexes perfluorinated; luminescence ... See more keywords
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Synthesis, characterization and unusual near-infrared luminescence of 1,1,4,4-tetracyanobutadiene derivatives.

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Published in 2020 at "Chemical communications"

DOI: 10.1039/c9cc09560h

Abstract: Two 1,1,4,4-tetracyanobutadiene (TCBD) derivatives were prepared by [2+2]cycloaddition-retroelectrocyclization from ynamides bearing either a pyrene (1) or a perylene unit (2). In addition to panchromatic absorptions in 2, in the solid state, both compounds unexpectedly display… read more here.

Keywords: luminescence tetracyanobutadiene; unusual near; near infrared; infrared luminescence ... See more keywords
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Near-infrared luminescence in perovskite BaSnO3 epitaxial films

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Published in 2017 at "Applied Physics Letters"

DOI: 10.1063/1.4997344

Abstract: Strong near-infrared luminescence under ultraviolet excitation was obtained in epitaxially grown BaSnO3 perovskite films. The films were grown on SrTiO3 (001) substrates by pulsed-laser deposition, and the crystallinity of the epitaxial growth was confirmed by… read more here.

Keywords: luminescence perovskite; infrared luminescence; near infrared; perovskite basno3 ... See more keywords