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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 18 — Sep. 15, 2009
  • pp: 2826–2828

Effects of organic surfactant on fluorescence concentration quenching of Nd 3 + -doped La F 3 nanoparticles

Kai Cui, Chao Gao, Xiaoxia Cui, Chaoqi Hou, Jiangbo She, Bo Peng, and Wei Wei  »View Author Affiliations


Optics Letters, Vol. 34, Issue 18, pp. 2826-2828 (2009)
http://dx.doi.org/10.1364/OL.34.002826


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Abstract

Distinct effects of organic surfactant [ammonium di-n-octadecyldithioposhate (ADDP)] on the fluorescent property of Nd 3 + -doped La F 3 nanoparticles were demonstrated by incorporating different amounts of organic surfactant on the nanoparticles. The photoluminescence spectra and fluorescence quenching concentrations of the nanoparticles were measured. A high fluorescence quenching concentration (of about 23.4 wt. % ) for the Ln F 2.36 ADDP 0.64 nanoparticles was observed. The quenching concentration could be adjusted by varying the amount of organic surfactant. This phenomenon is ascribed to the protection of organic surfactants coordinated on nanoparticles’ fluorescent centers.

© 2009 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.5690) Materials : Rare-earth-doped materials

ToC Category:
Materials

History
Original Manuscript: June 4, 2009
Revised Manuscript: August 12, 2009
Manuscript Accepted: August 12, 2009
Published: September 11, 2009

Citation
Kai Cui, Chao Gao, Xiaoxia Cui, Chaoqi Hou, Jiangbo She, Bo Peng, and Wei Wei, "Effects of organic surfactant on fluorescence concentration quenching of Nd3+-doped LaF3 nanoparticles," Opt. Lett. 34, 2826-2828 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-18-2826


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