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1. 辽宁工业大学 化学与环境工程学院,辽宁 锦州,121001
2. 辽宁工业大学 机械工程与自动化学院,辽宁 锦州,121001
3. 辽宁工业大学 理学院,辽宁 锦州,121001
纸质出版日期:2017-9-5,
网络出版日期:2017-6-22,
收稿日期:2017-2-22,
修回日期:2017-4-13,
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吴中立, 吴红梅, 姚震等. GdNbO<sub>4</sub>:Er<sup>3+</sup>/Yb<sup>3+</sup>荧光粉的上转换发光与温度特性[J]. 发光学报, 2017,38(9): 1129-1135
WU Zhong-li, WU Hong-mei, YAO Zhen etc. Upconversion Luminescence and Temperature Characteristics of GdNbO<sub>4</sub>:Er<sup>3+</sup>/Yb<sup>3+</sup> Phosphors[J]. Chinese Journal of Luminescence, 2017,38(9): 1129-1135
吴中立, 吴红梅, 姚震等. GdNbO<sub>4</sub>:Er<sup>3+</sup>/Yb<sup>3+</sup>荧光粉的上转换发光与温度特性[J]. 发光学报, 2017,38(9): 1129-1135 DOI: 10.3788/fgxb20173809.1129.
WU Zhong-li, WU Hong-mei, YAO Zhen etc. Upconversion Luminescence and Temperature Characteristics of GdNbO<sub>4</sub>:Er<sup>3+</sup>/Yb<sup>3+</sup> Phosphors[J]. Chinese Journal of Luminescence, 2017,38(9): 1129-1135 DOI: 10.3788/fgxb20173809.1129.
采用传统高温固相法制备了GdNbO
4
:10%Yb
3+
,
x
%Er
3+
荧光粉。利用XRD对样品的晶体结构进行了分析,结果表明所得的样品为纯相。在980 nm 光纤激光器激发下,测量了样品的上转换发射光谱,实验发现样品发生了浓度猝灭。利用荧光强度比(FIR) 方法研究了GdNbO
4
:Yb
3+
/Er
3+
荧光粉的温度传感特性,结果表明灵敏度随温度的升高先增大后减小。建立了Er
3+
的两个绿色发射能级的温度猝灭物理模型并用其成功解释了样品的绿色上转换发光温度猝灭现象。
A series of Er
3+
/Yb
3+
co-doped phosphors with various Er
3+
concentrations were synthesized
via
the conventional high temperature solid state method. The crystal structure of the obtained phosphor was analyzed by means of X-ray diffraction (XRD). The results show that the doping concentration do not evoke the change in crystal structure. The upconversion emission spectra for the phosphors doped with various Er
3+
concentrations were measured upon 980 nm excitation under the same experimental conditions. The results show that the concentration quenching occurs at a higher concentration. The optical temperature sensing properties based on the fluorescence intensity ratio (FIR) method were discussed by analyzing intensities ratio of
2
H
11/2
and
4
S
3/2
emission with the temperature. It is observed that the sensitivity increases first and then decreases with the increase of temperature
and the sensitivity is the highest at 180℃. A physical model involving radiative/nonradiative transitions and thermal excitation of
2
H
11/2
and
4
S
3/2
emission is established
and the temperature quenching of the phenomenon is explained successfully.
GdNbO4:Er3+/Yb3+浓度猝灭温度传感温度猝灭
GdNbO4:Er3+/Yb3+concentration quenchingtemperature sensingtemperature quenching
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郑龙江, 高晓阳, 刘海龙, 等. 980 nm LD泵浦Er3+/Yb3+共掺Y2O3纳米粉所致热效应的研究[J]. 光谱学与光谱分析, 2013, 33(1):151-154. ZHENG L J, GAO X Y, LIU H L, et al.. The heating effect of the Er3+/Yb3+ doped Y2O3 nanometer powder by 980 nm laser diode pumping[J]. Spectrosc. Spect. Anal., 2013, 33(1):151-154. (in Chinese)
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杨健芝, 邱建备, 杨正文, 等. Ba5SiO4Cl6:Yb3+, Er3+, Li+荧光粉的制备及上转换发光性质研究[J]. 物理学报, 2015, 64(13):0138101-1-6. YANG J Z, QIU J B, YANG Z W, et al.. Preparation and up conversion luminescence prop erties of Ba5SiO4Cl6:Yb3+, Er3+, Li+phosphors[J]. Acta Phys. Sinica, 2015, 64(13):0138101-1-6. (in Chinese)
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LI Y, PAN Y. Influence of Yb3+ doping concentration on upconversion luminescence of Er3+ in Lu2O3 phosphor[J]. Optik-Int. J. Light Electron Opt., 2013, 124(21):5131-5134.
NOH H M, YANG H K, MOON B K, et al.. Effect of Yb3+ concentrations on the upconversion luminescence properties of ZrO2:Er3+, Yb3+ phosphors[J]. Jan. J. Appl. Phys., 2013, 52(1S):765-773.
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HSIAO Y J, FANG T H, CHANG Y S, et al.. Structure and luminescent properties of LaNbO4 synthesized by sol-gel process[J]. J. Lumin., 2007, 126(2):866-870.
CAO Y, DUAN N Q, YAN D, et al.. Enhanced electrical conductivity of LaNbO4 by A-site substitution[J]. Int. J. Hydrogen Energy, 2016, 41(45):20633-20639.
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李树伟, 孙佳石, 石琳琳, 等. 掺杂浓度对BaGd2ZnO5:Er3+/Yb3+荧光粉上转换发光的影响[J]. 光子学报, 2015, 44(8):127-132. LI S W, SUN J S, SHI L L, et al.. Influence of doping concentration on the upconversion luminescence in BaGd2ZnO5:Er3+/Yb3+[J]. Acta Photon. Sinica, 2015, 44(8):127-132. (in Chinese)
TIAN B N, CHEN B J, TIAN Y, et al.. Excitation pathway and temperature dependent luminescence in color tunable Ba5 Gd8 Zn4O21:Eu3+ phosphors[J]. J. Mater. Chem. C, 2013, 1(12):2338-2344.
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ZHOU T M, ZHANG Y Q, WU Z L, et al.. Concentration effect and temperature quenching of upconversion luminescence in BaGd2ZnO5:Er3+/Yb3+ phosphor[J]. J. Rare Earths, 2015, 33(7):686-692.
TIAN Y Y, TIAN Y, HUANG P, et al.. Effect of Yb3+ concentration on upconversion luminescence and temperature sensing behavior in Yb3+/Er3+ co-doped YNbO4 nanoparticles prepared via molten salt route[J]. Chem. Eng. J., 2016, 297:26-34.
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