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Journal of Nanoparticle Research
Published in: Journal of Nanoparticle Research 7/2013

01-07-2013 | Research Paper

Urea-assisted synthesis of AlPO4:Ce,Tb nanorods as a redox luminescence switch

Authors: Wei Yang, Juncheng Hu

Published in: Journal of Nanoparticle Research | Issue 7/2013

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Abstract

AlPO4:Ce,Tb nanorods were synthesized by a facile hydrothermal method. The morphology of rod-like AlPO4 was tuned by varying urea concentrations, AlPO4 gradually changed from nanosheets to nanorods, and urea provided hydroxyl anion (OH−) in the aqueous solution to prepare the dispersed nanorods under the hydrothermal conditions. The emission intensity of nanorods increased significantly compared to that of nanosheets. AlPO4:Ce,Tb nanorods provided a novel redox luminescence switch on the basis of the reversible switching of the Ce3+/Ce4+ redox couple. The luminescence is quenched (off) when the system is in the oxidized form while it is restored (on) in the reduced form. The mechanism of the energy transfer and electronic transition between Ce3+ and Tb3+ in the AlPO4 nanorods was also discussed. This switch has biocompatibility and low toxicity, and may have a potential application in biomedical diagnostics and analysis.
previous article An insight into evolution of electronic, magnetic, optical, and vibrational properties of ultrathin Pd nanowires
next article Investigations on the role of Ni-catalyst for the VLS growth of quasi-aligned GaN nanowires by chemical vapor deposition

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Metadata
Title
Urea-assisted synthesis of AlPO4:Ce,Tb nanorods as a redox luminescence switch
Authors
Wei Yang
Juncheng Hu
Publication date
01-07-2013
Publisher
Springer Netherlands
Published in
Journal of Nanoparticle Research / Issue 7/2013
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-013-1786-z

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