Photoluminescent properties of nanoporous anodic alumina doped with manganese ions

被引：19
|
作者：
Gasenkova, I. V. [1 ]
Mukhurov, N. I. [1 ]
Zhvavyi, S. P. [1 ]
Kolesnik, E. E. [1 ]
Stupak, A. P. [2 ]
机构：
[1] State Res & Prod Assoc Opt, Optoelect & Laser Tech, 68 Nezavisimosti Ave, Minsk 220072, BELARUS
[2] Natl Acad Sci Belarus, BI Stepanov Inst Phys, 68 Nezavisimosti Ave, Minsk 220072, BELARUS
来源：
JOURNAL OF LUMINESCENCE | 2017年 / 185卷
关键词：
Porous anodic alumina; Photoluminescence; Manganese dopant; Oxygen vacancies; OPTICAL-PROPERTIES; POROUS ALUMINA; DEPENDENT PHOTOLUMINESCENCE; MEMBRANES; LUMINESCENCE; CENTERS; SPECTROSCOPY; FILMS; ALPHA-AL2O3; ABSORPTION;
D O I：
10.1016/j.jlumin.2017.01.030
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The results are presented of a comparative study of photoluminescent (PL) properties of unalloyed and Mn-alloyed porous anodic alumina (PAA) subjected to annealing at temperatures in the range of T-a =200-1300 degrees C. The possibility of alloying of PAA with metal atoms is illustrated through an example of Mn atoms, and the effect of this impurity on the optical properties of aluminum oxide is examined. Alloying of PAA with Mn ions leads to the formation of complex defects including manganese ions and oxygen vacancies. The difference observed in the spectral dependences of the PL intensity of alloyed and unalloyed specimens is explained by the change in the valence of manganese ions in the complex defects. A decrease has been discovered in the PL intensity of the PL bands and R-lines of Mn and Cr ions in the -phase under prolonged UV-exposure of the alloyed samples. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：298 / 305
页数：8
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