alexa Sensitization Effect of Yb3+ in Upconversion Luminescence of Eu3+Codoped Y2O3 Phosphor | OMICS International
ISSN: 2161-0398

Journal of Physical Chemistry & Biophysics
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Research Article

Sensitization Effect of Yb3+ in Upconversion Luminescence of Eu3+Codoped Y2O3 Phosphor

Anurag Pandey, Riya Dey and Vineet Kumar Rai*
Laser and Spectroscopy Laboratory, Department of Applied Physics, Indian School of Mines, Dhanbad-826004, Jharkhand, India
Corresponding Author : Vineet Kumar Rai
Laser and Spectroscopy Laboratory
Department of Applied Physics
Indian School of Mines
Dhanbad-826004, India
Tel: +91-326-223-5404/5282
E-mail: [email protected]; [email protected]
Received August 22, 2013; Accepted September 27, 2013; Published September 30, 2013
Citation: Pandey A, Dey R, Rai VK (2013) Sensitization Effect of Yb3+ in Upconversion Luminescence of Eu3+ Codoped Y2O3 Phosphor. J Phys Chem Biophys 3:129. doi:10.4172/2161-0398.1000129
Copyright: © 2013 Pandey A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

For structural information, the X-ray diffraction analysis of Y2O3:Eu3+ phosphors codoped with Yb3+ synthesized by combustion synthesis process has been performed. The upconversion emission study of the Y2O3:Eu3+ phosphor codoped with Yb3+ ions on excitation with 980 nm diode laser in the visible region has been done. The upconversion emissions corresponding to the Eu3+ ions is due to sensitization from Yb3+ ions in developed phosphor, and has been explained on the basis of cooperative energy transfer process. The orange colour emitted from the codoped samples is visualized by CIE diagram. The results show the applicability of the present phosphor as suitable NIR (near infrared) to visible upconverter, and in other photonic devices.

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