Using rare earth ions to improve the luminescence properties of the defect-related luminescent material Zn3Al2Ge2O10

2017 ◽  
Vol 41 (15) ◽  
pp. 7400-7406 ◽  
Author(s):  
Qiongyu Bai ◽  
Zhijun Wang ◽  
Panlai Li ◽  
Shuchao Xu ◽  
Ting Li ◽  
...  
Keyword(s):  
Rare Earth ◽  
High Temperature ◽  
Solid State ◽  
Rare Earth Ions ◽  
Luminescence Properties ◽  
Luminescent Material ◽  
Solid State Method ◽  
White Emission ◽  
State Method

Herein, Zn3Al2Ge2O10 was synthesized by a high-temperature solid-state method, and a weak white emission ranging from 350 to 600 nm was observed.

Crystal structure, luminescence properties, energy transfer, tunable occupation and thermal properties of a novel color-tunable phosphor NaBa1−zSrzB9O15:xCe3+,yMn2+

2018 ◽  
Vol 47 (39) ◽  
pp. 13913-13925 ◽  
Author(s):  
Qi Bao ◽  
Zhijun Wang ◽  
Jiang Sun ◽  
Zhipeng Wang ◽  
Xiangyu Meng ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Energy Transfer ◽  
Thermal Properties ◽  
High Temperature ◽  
Solid State ◽  
Luminescence Properties ◽  
Solid State Method ◽  
Color Tunable ◽  
State Method

A series of color-tunable NaBa1−zSrzB9O15:Ce3+,Mn2+ phosphors were synthesized by a high temperature solid state method.

Long-lasting luminescence in ZnGa2O4: Cr3+ through persistent energy transfer

2016 ◽  
Vol 30 (04) ◽  
pp. 1650019 ◽  
Author(s):  
Lei Li ◽  
Yinhai Wang ◽  
Haiju Huang ◽  
Hong Li ◽  
Hui Zhao
Keyword(s):  
Energy Transfer ◽  
High Temperature ◽  
Solid State ◽  
Near Infrared ◽  
Blue Emission ◽  
Fluorescence Decay ◽  
Luminescence Properties ◽  
Solid State Method ◽  
Zinc Gallate ◽  
State Method

Cr[Formula: see text]-doped zinc gallate (ZnGa2O4) near-infrared (NIR) phosphors were synthesized via a high temperature solid state method. The luminescence properties of the phosphors were studied systematically. A significant spectra overlap between the emission of ZnGa2O4 and the absorption of Cr[Formula: see text] was observed and 300 nm excitation exhibited the most excellent long-lasting luminescence properties among the three main excitation bands. Luminescence intensity was changed with the ratio of Ga[Formula: see text]/Cr[Formula: see text] and the blue host emission of ZnGa2O4 was suppressed when doping Cr[Formula: see text] into ZnGa2O4. The fluorescence decay curves of blue emission of ZnGa2O4 with different Cr[Formula: see text] doping concentrations indicated that the lifetime of ZnGa2O4 at 505 nm become shorter with the increase of the Cr[Formula: see text] concentration. Herein, a possible mechanism of long-lasting luminescence in ZnGa2O4: Cr[Formula: see text] was proposed that the NIR long-lasting luminescence in ZnGa2O4: Cr[Formula: see text] comes from the persistent energy transfer from ZnGa2O4 to Cr[Formula: see text].

The Impacts of Different Charge Compensators on the Luminescence Properties of BaMg2 (PO4)2: Eu 3+

2013 ◽  
Vol 645 ◽  
pp. 34-38
Author(s):  
Fu Yang ◽  
Xu Dong Meng ◽  
Dong Zhan Zhou ◽  
Zhi Ping Yang
Keyword(s):  
High Temperature ◽  
Solid State ◽  
Crystal Structures ◽  
Luminescence Properties ◽  
Solid State Method ◽  
State Method

The BaMg1.99-x(PO4)2:0.01Eu3+,xN+(N=Li, Na, K) phosphors were synthesized by high temperature solid state method. Valence stability of Eu3+was analyzed and the effects of the charge compensators (Li+, Na+ and K+ ions) upon the crystal structures and luminescence properties of BaMg1.99(PO4)2:0.01Eu3+were studied in this paper.

Photoluminescence Properties of Ca3Si2O7: Pr3+ Orange-Red Phosphors Prepared by High-Temperature Solid-State Method

2018 ◽  
Vol 73 (6) ◽  
pp. 555-558 ◽  
Author(s):  
Zhi-Qing Peng ◽  
Rong Chen ◽  
Wen-Lin Feng
Keyword(s):  
Crystal Structure ◽  
High Temperature ◽  
Solid State ◽  
Solid State Method ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Red Phosphors ◽  
Typical Sample ◽  
State Method ◽  
Xrd Patterns

AbstractNovel luminescent materials Ca3-xSi2O7: xPr3+ were successfully prepared by the high-temperature solid-state method. The crystal structure, morphology, and optical spectrum were characterised by X-ray diffraction (XRD), scanning electron microscopy (SEM), and spectroscopy, respectively. The XRD patterns of the samples indicate that the crystal structure is monoclinic symmetry. The SEM shows that the selected sample has good crystallinity although its appearance is irregular and scalelike. The peak of the excitation spectrum of the sample is located at around 449 nm, corresponding to 3H4→3P2 transition of Pr3+. The peak of the emission spectrum of the sample is situated at around 612 nm which is attributed to 3P0→3H6 transition of Pr3+, and the colour is orange-red. The optimum concentration for Pr3+ replaced Ca2+ sites in Ca3Si2O7: Pr3+ is 0.75 mol%. The lifetime (8.48 μs) of a typical sample (Ca2.9925Pr0.0075)Si2O7 is obtained. It reveals that orange-red phosphors Ca3-xSi2O7: xPr3+ possess remarkable optical properties and can be used in white light emitting devices.

Photoluminescence Properties of K1-xSr4(BO3)3∶xPr3+ Phosphors Prepared by High-Temperature Solid-State Method

2017 ◽  
Vol 37 (5) ◽  
pp. 0516001
Author(s):  
马诗章 Ma Shizhang ◽  
冯文林 Feng Wenlin ◽  
彭志清 Peng Zhiqing
Keyword(s):  
High Temperature ◽  
Solid State ◽  
Photoluminescence Properties ◽  
Solid State Method ◽  
State Method

Investigation of luminescence properties of Dy3+ doped YAlO3 phosphors synthesized through solid state method

Optik ◽  
2016 ◽  
Vol 127 (20) ◽  
pp. 9178-9195 ◽  
Author(s):  
Huma Nazli Baig ◽  
Jagjeet Kaur Saluja ◽  
D. Haranath
Keyword(s):  
Solid State ◽  
Luminescence Properties ◽  
Solid State Method ◽  
State Method

Luminescence properties of Ho3+ co-doped SrAl2O4:Eu2+, Dy3+ long-persistent phosphors synthesized with a solid-state method

2013 ◽  
Vol 1044 ◽  
pp. 87-93 ◽  
Author(s):  
Z. Győri ◽  
V. Havasi ◽  
D. Madarász ◽  
D. Tátrai ◽  
T. Brigancz ◽  
...  
Keyword(s):  
Solid State ◽  
Luminescence Properties ◽  
Solid State Method ◽  
State Method ◽  
Co Doped

Design and synthesis of Ba3SiSe5 with suitable birefringence modulated via MIV atoms in Ba-MIV-Q (MIV = Si, Ge; Q = S, Se) system

2021 ◽  
Author(s):  
Huanhuan Cheng ◽  
Abudukadi Tudi ◽  
Peng Wang ◽  
Kewang Zhang ◽  
Zhihua Yang ◽  
...  
Keyword(s):  
High Temperature ◽  
Solid State ◽  
Solid State Method ◽  
Orthorhombic System ◽  
Space Group ◽  
Design And Synthesis ◽  
Centrosymmetric Space Group ◽  
System P ◽  
State Method

A new ternary Ba-based selenide, Ba3SiSe5, was synthesized by high-temperature solid-state method. It crystalizes in the centrosymmetric space group Pnma (No. 62) of the orthorhombic system. The structure of the...

Upconversion Luminescent Properties of YVO4:Tm3+, Ho3+, Yb3+

2012 ◽  
Vol 502 ◽  
pp. 132-135 ◽  
Author(s):  
Jia Yue Sun ◽  
Ji Cheng Zhu ◽  
Jun Hui Zeng ◽  
Zhi Guo Xia ◽  
Hai Yan Du
Keyword(s):  
Optical Properties ◽  
High Temperature ◽  
Solid State ◽  
Laser Diode ◽  
Luminescent Properties ◽  
Solid State Method ◽  
State Method ◽  
Co Doped

YVO4 co-doped with Tm3+/Ho3+/Yb3+ were synthesized by the high temperature solid state method and the optical properties of phosphors were characterized. Intense visible emissions centered at around 475, 541 and 649 nm, originated from the transitions of Tm3+:1G4→3H6, Ho3:5S2/>:5F4 →5I8, Tm3+:5G4→3F4 and Ho3+:5F5→5I8, respectively, have been observed in samples upon excitation with a 980 nm laser diode, and the involved mechanisms have been explained.

Sign in / Sign up

Export Citation Format

Share Document