Time-resolved and fluorescence excitation-emission matrix measurements of lanthanide (Gd~(3+), Tb~(3+) and Dy~(3+)) doped silver-zinc borate glasses

Nandyala S. H.; Walsh B. M.; Hungerford G.; Santos J. D.; Stamboulis A.

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Time-resolved and fluorescence excitation-emission matrix measurements of lanthanide (Gd~(3+), Tb~(3+) and Dy~(3+)) doped silver-zinc borate glasses

机译：镧系元素（Gd〜（3+），Tb〜（3+）和Dy〜（3+））掺杂银 - 锌硼酸锌玻璃荧光和荧光激发 - 发射基质测量

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This paper reports the time-resolved luminescence and excitation-emission matrix measurements of three different lanthanide ions Gadolinium, Gd3+ (GdG), Terbium, Tb3+ (TbG) and Dysprosium, Dy3+(DyG) doped silver-zinc borate glasses. The GdG and TbG glasses were excited at 267 nm and 371 nm, respectively, and time-resolved luminescence measurements used to evaluate how the randomness of the network can influence the lanthanide ion emission. The GdG glass exhibited ultraviolet radiation (UVR) at around 310 nm with a P-6(7/2) - S-8(7/2) transition. Similarly, a sharp band at 545 nm with a D-5(4) - F-7(5) transition provided a bright green coloured emission from the TbG glass. To further elucidate the Dy3+ emission, steady-state luminescence (SSL), excitation-emission matrix (EEM) studies and decay associated spectra (DAS) were obtained. These showed a bright yellow emission transition (F-4(7/2 )- H-6(9/2)), 571 nm composed of species with decay times of 0.062, 0.148, 0.337 and 0.701 ms. Among them, an ideal decay time was observed at 0.701 ms along with a dependency of the DyG glass lifetimes on the emission intensity. (C) 2020 Elsevier B.V. All rights reserved.

机译：本文报道了三种不同镧系元素钆，GD3 +（GDG），铽，TB3 +（TBG）和镝，DY3 +（DYG）掺杂银 - 锌硼酸锌玻璃的时间分辨发光和激发 - 发射基质测量测量。在267nm和371nm中激发GDG和TBG玻璃，并且用于评估网络的随机性如何影响镧系元素排放的时间分辨的发光测量值。 GDG玻璃在紫外线辐射（UVR）约为310nm的紫外线辐射（UVR），P-6（7/2） - > S-8（7/2）转变。类似地，具有D-5（4） - > F-7（5）转变的545nm处的尖带提供了来自TBG玻璃的亮绿色发射。为了进一步阐明DY3 +发射，获得稳态发光（SSL），激发排放矩阵（EEM）研究和衰减相关光谱（DAS）。这些显示出亮的黄色发射过渡（F-4（7/2） - > H-6（9/2）），571nm由物种组成，衰减次数为0.062,0.148,0.337和0.701ms。其中，在0.701 ms下观察到理想的衰减时间，以及DYG玻璃寿命对发射强度的依赖性。（c）2020 Elsevier B.v.保留所有权利。

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来源
《Materials Letters》 |2020年第15期|127935.1-127935.5|共5页
作者
Nandyala S. H.; Walsh B. M.; Hungerford G.; Santos J. D.; Stamboulis A.;
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作者单位

Univ Birmingham Sch Met & Mat Biomat Res Grp Birmingham B15 2TT W Midlands England;

NASA Langley Res Ctr Hampton VA 23681 USA;

HORIBA Jobin Yvon IBH Ltd 133 Finnieston St Glasgow G3 8HB Lanark Scotland;

Univ Porto Fac Engn REQUIMTE LAQV Dept Eng Met & Mat Rua Dr Roberto Frias S-N P-4200465 Porto Portugal;

Univ Birmingham Sch Met & Mat Biomat Res Grp Birmingham B15 2TT W Midlands England;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类
关键词
Gd3+,Tb3+ and Dy3+ glasses; Excitation; Emission Matrix (EEM);

机译：GD3 +;TB3 +和DY3 +眼镜;激励;发射矩阵（EEM）;

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Time-resolved and fluorescence excitation-emission matrix measurements of lanthanide (Gd~(3+), Tb~(3+) and Dy~(3+)) doped silver-zinc borate glasses

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