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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 3, Iss. 5 — May. 1, 2013
  • pp: 566–573

Rare-earth doped particles with tunable infrared emissions for biomedical imaging

Bryan van Saders, Lara Al-Baroudi, Mei Chee Tan, and Richard E. Riman  »View Author Affiliations

Optical Materials Express, Vol. 3, Issue 5, pp. 566-573 (2013)

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The tunability, brightness, and energy efficiencies of infrared-emitting rare earth doped nanomaterials are important performance parameters for biomedical imaging applications. In this work, hexagonal phase NaYF4:Yb3+, Ln3+ (Ho3+, Tm3+ and Pr3+) was synthesized and optimized using a facile hydrothermal method in the presence of poly(vinyl-pyrrolidone). Distinct infrared emission peaks were measured at 1185, 1310 and 1475 nm upon excitation at 980 nm. The optical efficiencies of NaYF4:Yb3+, Ln3+ at optimal concentrations were measured to quantify the brightness of these particles in comparison to that of NaYF4:Yb3+, Er3+ particles. Efficiencies were ranked as Er3+>Ho3+>Tm3+>Pr3+.

© 2013 OSA

OCIS Codes
(160.0160) Materials : Materials
(160.4760) Materials : Optical properties
(160.5690) Materials : Rare-earth-doped materials

ToC Category:
Fluorescent and Luminescent Materials

Original Manuscript: January 31, 2013
Revised Manuscript: March 4, 2013
Manuscript Accepted: March 5, 2013
Published: April 3, 2013

Bryan van Saders, Lara Al-Baroudi, Mei Chee Tan, and Richard E. Riman, "Rare-earth doped particles with tunable infrared emissions for biomedical imaging," Opt. Mater. Express 3, 566-573 (2013)

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