发光衰减
- 网络Decay Times;Decay of luminescence
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样品的发光衰减是由初始的快衰减和随后的慢衰减构成,余辉时间为5h。
The afterglow lasts for 5h including initial rapid decay and following slow decay processes .
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报道对BSO晶体闪烁性能研究的若干结果。包括晶体的激发光谱和荧光光谱、光产额、发光衰减时间和抗辐照能力等特性。
Some results of the studies on the properties of BSO crystals are reported , inclu - ding excitation spectrum and fluorescent spectrum , light yield , decay time and radiation hardness .
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点阵液晶在夜光粉发光衰减曲线显示中的应用
The application of dot-matrix LCD in night-luminous powder attenuating curve display
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高氯酸溶液中激发态铀酰离子的发光衰减研究
Luminescence Decay of The Excited Uranyl Ion in Perchloric Acid Solution
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磷酸体系中铀酰发光衰减的研究
Study of uranyl luminescence decay in phosphoric acid solution
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最后,根据实验结果,提出了这种磷光体发光衰减过程的物理模型。
Finally the model of luminescence decay in this phosphor is proposed according to experimental results .
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利用这一装置,对CeF3晶体光谱分辨的发光衰减时间谱进行了分析。
In addition , the wavelength resolved fluorescent lifetime of CeF_3 scintillation crystal is studied by the facility .
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电多极相互作用引起的静态能量传递中施主发光衰减与受主浓度的关系
The dependence of the donor fluorescence decay on acceptor concentration in static energy transfer caused by electric multipole interaction
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激发光谱、发射光谱和发光衰减曲线表明该材料是一种适合紫外线和可见光激发,并具有很好的长时发光性能的红色长时发光材料。
The emission and excitation spectra and luminescent decay curve show that this phosphor is suitable to be excitated by both ultraviolet radiation and visible light , and has a very good red long persistence performance .
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光激发下Li6Gd(BO3)3:Ce晶体发光和衰减的温度依赖特性
Temperature Dependence of Luminescence and Decay Time under Optical Excitation from Li_6Gd ( BO_3 ) _3 : Ce Single Crystals
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研究了同时掺有Mn和Er的ZnS:Mn,Er薄膜在脉冲激发下场致发光的衰减常数与杂质浓度的关系。
The EL of ZnS : Mn , Er thin films doped simultaneously with Mn and Er is excited by a pulsed electric field , and the decay constants of Mn emission are found dependent on Er dopant concentration .
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静态模型中激活剂(受主)发光的衰减
The decay of accepter fluorescence in static model
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有机薄膜层的结晶是有机电致发光器件衰减的主要机理之一。
Crystallization of organic thin films is one of the main degradation mechanisms of organic light emitting diodes ( OLEDs ) .
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这延迟发光的衰减曲线包含两个相:持续十秒左右的快速相和持续数分钟的慢速相。
The decay curves of the delay light emission ( DLE ) showed two phases : fast phase which lasted for about ten seconds and slow phase which lasted for about several minutes .
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结果表明:随处理时间的延长,延迟发光的衰减逐渐加快,延迟发光的衰减参数成下降趋势;延迟发光的最大强度也会随处理时间的延长而逐渐降低;
The results showed that with treating time adding , the attenuation of DL was becoming rapid , the attenuation coefficient gradually was decreasing , and the maximal intensity of delayed luminescence also changed .
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测试得到两种样品在不同温度(10-300K)下的发光光谱和衰减曲线。
The temperature dependent emission spectra and luminescence decay curves of Sm2 + ions reduced by the two methods were investigated at various temperatures ( 10-300K ) .
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铀酰离子发光双指数衰减的研究
Bi-exponential decay of the luminescence of electronically excited uranyl ions
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铕(Ⅲ)荧光增敏体系在微乳液中的发光性质和荧光衰减动力学研究
Studies on the Luminescence Properties and Decay Dynamics of Eu (ⅲ) Enhanced Fluorescence Systems in Micelle Solutions
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文中分析了影响性能的因素,讨论了发光效率、发光衰减时间与工艺制备、荧光物质匹配和含量的关系。
The scintillation efficiency and the decay time depending on preparation technique , composition and content of fluorescence material are discussed .
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结果表明,Eu2+在这两种基质中均存在2个发光中心,其衰减速度不一样,蓝发光中心寿命要远大于绿发光中心寿命。
The results showed that two Eu ~ ( 2 + ) ions emitting centers are in the above two hosts and their decay speeds are different .
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这篇論文中,我们使用脉冲电流探讨直流电流下,高功率氮化镓发光二极体发光效率衰减的因素。
In this research , pulse-driven currents were utilized to investigate DC-current-induced degradation of the illumination efficiency of GaN-powered LEDs .
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详细研究了Sr3Al2O6:Eu2+,Dy3+发光粉体的合成、颗粒微观形貌、光谱特性、发光机理以及余辉衰减过程等问题。
The synthesis , particle morphology , spectrum properties , luminescence mechanism and afterglow characteristics of Sr3Al2O6 : Eu2 + , Dy3 + phosphors were detailed investigated .
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双氧水(H2O2)胁迫金玉吊兰叶片衰老过程中,不同浓度对延迟发光的影响程度不同,但实验所用的浓度都能使延迟发光的衰减加快。
In the process of senescence on perhydrol ( H_2O_2 ) stress , all concentrations of experiment can make the relaxation of DL quickening , while different concentrations of H_2O_2 can bring different changes of relaxation of the DL .
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藉由脉冲驱动,我们可以区分高功率氮化镓发光二极体中接面温度和注入载子浓度对发光效率衰减的影响。
By using pulse-driven currents , the effects of junction temperature and carrier concentration on this type of degradation can be distinguished .