采用高温固相反应法合成了Eu2+激活的BaMgAl10O17Eu2+荧光粉,并对其发射特性进行了研究.当激活剂离子Eu2+浓度逐步增加时,在254 nm紫外以及147 nm真空紫外激发下,其发射强度和色坐标,,值都体现出了相似的变化规律.在高激活剂离子浓度的BaMgAl10O17:Eu2+ 中存在激活剂离子浓度猝灭现象,同时也对高激活剂离子浓度条件下体系的相关系,以及其对发射特性的影响进行了分析.
参考文献
[1] | Shionoya S;William Yen M;Hase T;Kamiya S Nakazawa E Narita K Ohno K Weber M Yamamoto H.Phosphor Handbook[M].New York:crc Press,1998:833. |
[2] | Shionoya S;William Yen M;Hase T;Kamiya S Nakazawa E Narita K Ohno K Weber M Yamamoto H.Phosphor Handbook[M].New York:crc Press,1998:832. |
[3] | Verstegen J M P J;Stevels A L N .The relation between crystal structureand luminescence in β-Almina and magnetoplurabite phase[J].Journal of Luminescence,1974,19:406. |
[4] | Stevels A L N;Verstegen J M P J .Eu2+→Mn2+ energy transferin hexagonal aluminates[J].Journal of Luminescence,1976,14:207. |
[5] | Shionoya S;William Yen M;Hase T;Kamiya S Nakazawa E Narita K Ohno K Weber M Yamamoto H.Phosphor Handbook[M].New York:crc Press,1998:416. |
[6] | Mishra KC.;Raukas M.;Ellens A.;Johnson KH. .A scattered wave model of electronic structure of Eu2+ in BaMgAl10O17 and associated excitation processes[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2002(2/4):95-105. |
[7] | Ellens A.;Kummer F.;Meijerink A.;Raukas M.;Mishra K.;Zwaschka F. .Sm2+ in BAM: fluorescent probe for the number of luminescing sites of Eu2+ in BAM[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2001(2):147-153. |
[8] | Kim Y;Kim K B;Jung M J;Hong J S .Combined rietveld refinemeut of BaMgAl10O17:Eu2+using X-ray neutron powder diffraction data[J].Journal of Luminescence,2002,99:91. |
[9] | Shionoya S;William Yen M;Hose T;Kamiya S Nakazawa E Narita K Ohno K Weber M Yamamoto H.Phosphor Handbook[M].New York:crc Press,1998:328. |
[10] | 陈哲,谢鸿,严有为.Eu2+掺杂浓度对BAM光谱特性的影响[J].光谱学与光谱分析,2007(04):657-659. |
[11] | Stevels A L N;Schrama-de Pauw A D M .Eu2+luminescence in hexagonal aluminatce containing large divalent or trivalent cations[J].Journal of the Electrochemical Society,1976,123:691. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%