Journal
INFRARED PHYSICS & TECHNOLOGY
Volume 60, Issue -, Pages 98-102Publisher
ELSEVIER
DOI: 10.1016/j.infrared.2013.03.014
Keywords
Near-infrared luminescence; Down-conversion; Energy transfer
Categories
Funding
- National Natural Science Foundations of China [51002146, 51202226, 51272242]
- Natural Science Foundations of Beijing [2132050]
- Program for New Century Excellent Talents in University of Ministry of Education of China [NCET-12-0950]
- Fundamental Research Funds for the Central Universities [2011YYL131, 2010ZY47]
Ask authors/readers for more resources
Near-infrared emitting phosphors LaOCl:Nd3+/Yb3+ were prepared by the solid-state method, and their structures and luminescent properties were investigated by using X-ray diffraction and photoluminescence analysis, respectively. The studies shows that tetragonal LaOCI:Nd3+/Yb3+ can be synthesized by the solid-state reaction at 600 degrees C for 3 h. Upon 353 nm UV excitation, LaOCl:Nd3+/Yb3+ sample shows strong near-infrared emission lines in the region of 1060-1150 nm (corresponding to F-4(3/2) -> 4I(j), transition of Nd3+, J' = 9/2, 11/2, 13/2, 15/2) and 980-1050 nm (corresponding to F-2(5/2) -> F-2(7/2) transition of Yb3+). The decreasing emission intensity of Nd3+ with increasing doping concentration of Yb3+ proved the energy transfer in LaOCl:Nd3+/Yb3+. The possible near-infrared emission and energy transfer mechanism between Nd3+ and Yb3+, as well as the energy transfer efficiency of LaOCl:Nd3+/Yb3+ were discussed. (C) 2013 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available