High Er3+ luminescent efficiency in Er-doped SiOx films containing amorphous Si nanodots

被引:7
作者
Lu, Ying-Wei [1 ]
Huang, Chao [1 ]
Cheng, Ji-Gui [1 ]
Larsen, Arne Nylandsted [2 ,3 ]
机构
[1] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China
[2] Aarhus Univ, Dept Phys & Astron, DK-8000 Aarhus C, Denmark
[3] Aarhus Univ, Interdisciplinary Nanosci Ctr INANO, DK-8000 Aarhus C, Denmark
关键词
Er ions; Photoluminescence; Luminescent efficiency; Si-O-Er complex; OPTICAL-PROPERTIES; ENERGY-TRANSFER; SILICON-OXIDE; ERBIUM; EMISSION; PHOTOLUMINESCENCE; GLASSES; NANOCRYSTALS; TEMPERATURE;
D O I
10.1016/j.jallcom.2016.03.184
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Er-doped SiO1.87 films containing amorphous Si nanodots were deposited and heat-treated at the two temperatures 950 and 1100 degrees C. On the basis of morphological observations, structural characterizations and optical measurements it is concluded that the heat-treatment at 1100 degrees C results in a 3-fold higher Er3+ luminescent efficiency than the one at 950 degrees C due to the formation of Si-O-Er complex rather than the nature of sensitizers. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:428 / 431
页数:4
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