Wet chemical preparation of YVO4:Eu thin films as red-emitting phosphor layers for fully transparent flat dielectric discharge lamp

被引：15

作者：

Klausch, A. ^{[1
]}

Althues, H. ^{[2
]}

Freudenberg, T. ^{[3
]}

Kaskel, S. ^{[1
]}

机构：

[1] Tech Univ Dresden, Inst Inorgan Chem, D-01069 Dresden, Germany

[2] Fraunhofer Inst Mat & Beam Technol, D-01309 Dresden, Germany

[3] Leibniz Inst Solid State & Mat Res, D-01069 Dresden, Germany

来源：

THIN SOLID FILMS | 2012年 / 520卷 / 13期

关键词：

Discharge lamp; Antimony tin oxide; YVO4:Eu; Transparent oxide; Thin films; Luminescence; NANOPARTICLES; NANOCOMPOSITES; NANOCRYSTALS;

D O I：

10.1016/j.tsf.2012.02.062

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Highly transparent YVO4:Eu thin films were deposited via dip coating of liquid nanoparticle dispersions on glass substrates. Annealing of the nanoparticle layers resulted in restructuring of the material into oriented crystalline films. The crystallinity was confirmed using powder X-ray diffraction. Film thickness was adjusted to 467 nm by multiple deposition. The resulting coatings show >99% absorbance for wavelength below 300 nm and >90% transmission in the visible spectral range. Under UV-light excitation a bright red photoluminescence with a quantum efficiency of 20% is observed. A planar, transparent dielectric barrier discharge lamp was constructed using YVO4:Eu coated glasses and transparent electrodes made from antimony-doped tin dioxide thin films. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：4297 / 4301

页数：5

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