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1)  long afterglow
长余辉
1.
Synthesis of the blue long afterglow phosphor Sr_2MgSi_2O_7:Eu,Dy by sol-gel method and its luminescent properties;
溶胶-凝胶法合成蓝色长余辉材料Sr_2MgSi_2O_7:Eu,Dy及其发光特性
2.
Research on spectral propertices of red long afterglow phosphor Y_2O_2S∶Eu,Mg,Ti;
红色长余辉发光材料Y_2O_2S∶Eu,Mg,Ti光谱性能的研究
3.
Preparation of non-grinding CaAl_2O_4:Eu~(2+),Dy~(3+) blue long afterglow material by microwave combustion method;
微波燃烧法制备不球磨CaAl_2O_4:Eu~(2+),Dy~(3+)蓝色长余辉材料
2)  afterglow [英]['ɑ:ftəɡləʊ]  [美]['æftɚ'glo]
长余辉
1.
Through studies of the composition and morphology of different raw materials alumina,the influence on the luminescence properties of rare earth aluminate long afterglow was analyzed.
通研究不同氧化铝原材料的组成和形貌,分析它们对合成稀土铝酸盐长余辉发光材料性能的影响,发现原晶结构和晶粒类型是影响合成产物长余辉发光性能的重要因素;而通常氧化铝原料的纯度基本上可以满足合成原料的纯度要求。
2.
A new kind of orange-red long afterglow Eu and Ti co-doped Y2O3S phosphor was synthesized via a traditional solid state reaction method under reducing atmosphere of CO.
采用高温还原法合成了Eu,Ti共激活橙红色Y2O2S长余辉发光材料,并测量了Y2O2S:0。
3.
The excitation and emission spectra,afterglow spectra and thermoluminescence spectra were examined.
采用微波法合成了新型红色长余辉发光材料CaWO4∶Eu3+,并表征了其结构以及激发、发射光谱和余辉衰减曲线。
3)  long persistence
长余辉
1.
In this paper, the types and development of long persistence luminescent materials including sulphide long persistence materials, alkali-earth aluminate long persistence materials and silicate long persistence materials etc.
介绍了长余辉材料的类型(主要为硫化物型、碱土铝酸盐型及其它基质型余辉发光材料)及发展历史,总结了其研究现状与发光机制,概括了常规制备方法,指出了长余辉发光材料存在的问题和今后研究与应用的方向。
2.
The SrAl_2O_4∶Eu~(2+),Dy~(3+) luminous materials with high brightness and long persistence have been synthesized by solid sintering technology using carbon as reductant.
采用高温固相法,在碳粉还原条件下制备了发光亮度高、余辉时间长的SrAl2O4∶Eu2+,Dy3+长余辉发光材料,对其发光性能进行了研究。
3.
SrAl O : Eu2+, Dy3+ long persistence phosphor has been synthesized by combustion method at 2 4 low temperature.
采用燃烧法在较低温度下快速合成了SrAlO:Eu2+,Dy3+长余辉发光粉体,并利用XRD、荧光分光光度24计等测试手段,研究了合成粉体的物相结构以及工艺因素对材料发光性能的影响。
4)  long-afterglow
长余辉
1.
Discussion of luminescent characteristics of long-afterglow phosphor material;
新型长余辉稀土发光材料发光特性探讨
2.
The red emission band indicates the local structure of luminescence center is quite similar with the traditional long-afterglow phosphor CaS∶Eu2+Cl-.
红光发射带为硫元素进入晶格后在发光中心周围形成了类似长余辉材料CaS∶Eu2+,Cl-的局域结构。
3.
In this thesis, the preparation, performance and research development of red long-afterglow phosphors were summarized.
本文在综述红色长余辉发光材料的合成方法、光谱特性、发展现状的基础上,结合Y_2O_2S的晶体结构、稀土离子激活发光性能的研究现状和课题组的研究基础,提出先通过水热技术合成纳米尺寸的Y_4O(OH)_9(NO_3):Eu~(3+)前驱体,并经硫化工艺制备Y_2O_2S:Eu~(3+)红色发光材料的工艺设计路线。
5)  long-lasting phosphorescence
长余辉
1.
The results show that under the condition of taking N_2 as sintering atmosphere,taking 1300℃ as sintering temperature,keeping constant temperature for 3h and naturally cooling in the furnace,high quality long-lasting phosphorescence glasses can be produced.
采用一步合成法制备了硼铝酸锶长余辉发光玻璃,系统研究了热处理温度、热处理时间、冷却制度等条件对长余辉玻璃发光性能的影响。
2.
The influence of B_2O_3 content on the crystalline phase content and luminescence properties of strontium aluminoborate long-lasting phosphorescence glass-ceramic was investigated.
采用高温熔融法一次成型制得了一种高亮度硼铝锶长余辉发光玻璃陶瓷。
6)  superlong afterglow
超长余辉
1.
Synthesis and luminescence mechanism of superlong afterglow rare earth luminescent materials (SrAl2O4:Eu2+,Dy3+) were described.
本文论述了超长余辉稀土发光材料(SrAl2O4:Eu2+,Dy3+)的合成方法及其发光机理。
2.
Rare earth superlong afterglow luminescnet material SrAl2O4∶Eu2+, Dy3+ was synthesized by hightemperature solid state reaction with SrCO3, Al2O3, Eu2O3 and Dy2O3.
以碳酸锶、氧化铝、氧化铕和氧化镝为原料,用高温固相反应法合成了稀土超长余辉发光材料SrAl2O4∶Eu2+,Dy3+。
补充资料:余辉
分子式:
CAS号:

性质:燃烧停止或移开点火源之后,材料的持续辉光。通常,辉光是指一种无焰的燃烧现象。是材料燃烧过程中的一个阶段,也是评价材料燃烧行为的一个指标。例如,材料在进行垂直燃烧检验时,除了记录余焰时间外,还要求记录余辉时间,并把它作为材料阻燃分级的依据之一。

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