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红色荧光粉
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  red phosphor
    Y2O3∶Eu red phosphor was prepared by co-precipitation-molten salt baking method,and the effects of complexing agents(EDTA,citric acid and ammonia,or starch),precipitation temperature,and molten salts were investigated on the luminescent properties,particle size and morphology.
    采用共沉淀-熔盐焙烧法制备了Y2O3∶Eu红色荧光粉,研究分析了EDTA、柠檬酸+氨水、淀粉等3类络合剂、沉淀温度及熔盐对其发光性能、粒度及形貌等的影响。
短句来源
    Influence of Sr/Ca Ratio on Red Phosphor Ca_(1-x)Sr_xS∶Eu~(2+)
    Sr/Ca比变化对红色荧光粉Ca_(1-x)Sr_xS:Eu~(2+)的影响
短句来源
    Luminescent Properties of Small-sized Red Phosphor Y_2O_3∶Eu~(3+) Synthesized by Oxalic Acid Precipitation Method
    草酸沉淀法制备细颗粒红色荧光粉Y_2O_3∶Eu~(3+)的发光特性
短句来源
    Luminescence and Optimization of Red Phosphor Ca_4(La_(1-x-y)Gd_xY_y)_(1-n)O(BO_3)_3∶nEu~(3+)
    红色荧光粉Ca_4(La_(1-x-y)Gd_xY_y)_(1-n)O(BO_3)_3∶nEu~(3+)的发光和优化
短句来源
    One of the proplems for FED phosphors is that red phosphors have high threshold voltage and low luminescent efficiency. In this paper a new red phosphor (Gd 2-m Zn m)O 3:Eu 3+ with low threshold is reported.
    低压FED 荧光粉现在存在着一个比较大的问题就是红色荧光粉的阈值电压高, 发光效率低-本文对一种新型红色低压荧光粉(Gd2 - mZn m)O3 :Eu3 + 的低阈值电压特性进行了讨论
短句来源
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  “红色荧光粉”译为未确定词的双语例句
    Preparation and Characterization of Red SrY_2S_4∶Eu~(2+) Phosphor via Carbonate Precursor and CS_2 Sulfurization
    碳酸盐前驱体和CS_2硫化制备SrY_2S_4∶Eu~(2+)红色荧光粉及其表征
短句来源
    In this paper, different concentrations of Gd2O3 have been doped in the preparationof red phosphors Y2O2S: Eu3+.
    在红色荧光粉Y2O2S。
短句来源
    After trace Sm~(3+) ions and Gd~(3+) ions doping, the emission intensity of red phosphors Y_2O_2S∶Eu~(3+) was enhanced and the voltage character (relation between emission intensity and excitation voltage) was improved while the other properties of physics and chemistry were not changed.
    通过对Y2O2S∶Eu3+红色荧光粉痕量引入Sm3+和Gd3+的研究,发现可有效地增强发光强度,明显改善其电压特性(发射强度与激发电压间的关系特性),且不影响材料的其他物理化学性能。
短句来源
    Red SrY_2S_4∶Eu~(2+) phosphors were synthesized by carbonate coprecipitation precursors and CS_2 sulfurization.
    以CS2为硫化剂,高温煅烧前驱体合成了SrY2S4∶Eu2+红色荧光粉
短句来源
    Eu3+-doped Gd2Mo3O9 was prepared by solid-state reaction route using Na2CO3 as flux and characterized by powder X-ray diffraction.
    利用Na2CO3作为助熔剂,采用高温固相反应方法制备了三价铕离子激活的Gd2Mo3O9红色荧光粉
短句来源
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  red phosphor
Photoluminescence in GdVO4:Bi3+, Eu3+ red phosphor
      
The photoluminescence brightness data obtained from Li-doped Gd2O3:Eu3+ films indicate that Si(100) is a promising substrate for growth of high-quality Li-doped Gd2O3:Eu3+ thin-film red phosphor.
      
The photoluminescencebrightness data obtained from Gd2O3:Eu3+ films indicate that Al2O3(0001) is a promising substrate for growth of high-quality Gd2O3:Eu3+ thin-film red phosphor.
      
Y2O3:Eu3+ luminescent thin films have been studied as a potential red phosphor thin film for application in field emission display.
      
The (Ca, Ba) SiO3 material is proposed as an efficient red phosphor.
      
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Alkaline sulphide phosphor viz. non-radioative red-nightluminescence phosphor of SrS activated with Eu and Er has been synthesized by using special firing technique in reduced gas quasi-closed systems. The photoluminescence properties of the samples were investigated under 365 nm excitation. It shows that the value of colour coordinates of SrS : Eu, Er phospher are x=0. 620, y=0. 375. The peak wavelength is 620 nm and photoluminescence decay time is about 3 h. In order to improve phosphor stability, phosphor...

Alkaline sulphide phosphor viz. non-radioative red-nightluminescence phosphor of SrS activated with Eu and Er has been synthesized by using special firing technique in reduced gas quasi-closed systems. The photoluminescence properties of the samples were investigated under 365 nm excitation. It shows that the value of colour coordinates of SrS : Eu, Er phospher are x=0. 620, y=0. 375. The peak wavelength is 620 nm and photoluminescence decay time is about 3 h. In order to improve phosphor stability, phosphor particles were coated with a thin coating of silicon dioxide at a low temperature by utilizing the semiconductor standard planar process. This kind of phospohor can be applied to night-light devices.

本文采用特殊的灼烧工艺,在还原气氛准封闭体系中合成了SrS:Eu,Er非放射性红色荧光粉.用365nm紫外光激发,测试了样品的发光特性,其实验结果表明,SrS:Eu,Er荧光粉的发射光谱主峰位在620nm,色坐标x=0.620,y=0.375,余辉时间为3h.采用半导体平面工艺技术进行SiO_2包膜,改善了荧光粉的稳定性.

In this paper, different concentrations of Gd2O3 have been doped in the preparationof red phosphors Y2O2S: Eu3+. It is discovered that the emission intensity is enhanced5% and the voltage character (Relation between emission intensity and excitation voltage) is improved by doping proper concentration of Gd2O3 under the emission color, particle size and the properties of physics and chemistry are in keep with the request. Theenhancement origins of emission intensity are discussed and analyzed preliminarily. It...

In this paper, different concentrations of Gd2O3 have been doped in the preparationof red phosphors Y2O2S: Eu3+. It is discovered that the emission intensity is enhanced5% and the voltage character (Relation between emission intensity and excitation voltage) is improved by doping proper concentration of Gd2O3 under the emission color, particle size and the properties of physics and chemistry are in keep with the request. Theenhancement origins of emission intensity are discussed and analyzed preliminarily. It islacely that the abnormal change of crystal checks that is led by the substitution of largerradius Eu3+ ion for smaller radius Y3+ ion is improved by substitution of Gd3+ ion forY3+ ion, the process of no radiation and crystal defect which lose energy are cut down.The improvement of Eu3+ ion's crystal field condition give rise to enhance of the mainemission peak 626nm, 616nm (to be attributed to 5Do→7F2) and 704urn (to be attributedto 5Do→7F4) in the CR spectra of Y2O2S: Eu3+.

红色荧光粉Y2O2S。Eu3+的制备过程中掺人了不同浓度的Ga2O3发现在掺入适当浓度的Ga2O3的情况下.可以增强发射强度并改善其电压特性,即在保证所要求的发光颜色、粒径和其它物理及化学特性的条件下.可改善发射强度与激发电压间的关系.讨论和分析了发射强度被增强的起因.Ga3+对Y3+的置换,减少了因Eu3+对Y3+置换所引起的晶格的畸变,从而减弱了无辐射过程及因晶格畸变所造成的能量损失.这样,Eu3+离子晶场环境的改善,增强了Y2O2S:Eu3+阴极射线发射光谱中主发射峰626nm,704nm的发射强度.

One of the proplems for FED phosphors is that red phosphors have high threshold voltage and low luminescent efficiency. In this paper a new red phosphor (Gd 2-m Zn m)O 3:Eu 3+ with low threshold is reported.

低压FED 荧光粉现在存在着一个比较大的问题就是红色荧光粉的阈值电压高, 发光效率低-本文对一种新型红色低压荧光粉(Gd2 - mZn m)O3 :Eu3 + 的低阈值电压特性进行了讨论

 
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