Research Papers

Enhanced 1.06 μm emission in Nd3+-doped lead-tellurite glasses doped with silver nanoparticles

[+] Author Affiliations
Mohammad Reza Dousti

Universidade Federal de Alagoas, Instituto de Física, Maceió, Alagoas 57072-900, Brazil

Islamic Azad University, Department of Physics, Tehran-North Branch, Tehran 16511-53311, Iran

Raja Junaid Amjad

COMSATS Institute of Information Technology, Department of Physics, Lahore 54000, Pakistan

Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, São Paulo13563-120, Brazil

J. Nanophoton. 10(4), 046010 (Nov 03, 2016). doi:10.1117/1.JNP.10.046010
History: Received July 27, 2016; Accepted September 27, 2016
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Abstract.  Increasing the emission cross section of rare earth (RE) ions-doped transparent oxide glasses is a challenging issue. The incorporation of the metal nanoparticles (NPs) has been proposed as a promising approach to improve the emission properties, though the mechanism behind such a phenomenon is a controversial topic. Tellurite glass doped with Nd3+ ions and silver NPs is prepared and the optical absorption and emission properties are studied. The surface plasmon band of the silver NPs is observed at around 522 nm. Absorption and excitation bands of the Nd3+ ions are detected in the visible spectral region and associated to the transitions from ground state to various excited states. Threefold enhancement in the 1.06  μm luminescence of Nd3+ ions is observed under 800-nm laser excitation by incorporation of AgNO3 up to 1 mol. %. Probable energy transfer and local field enhancements are discussed to explain the possible interactions between metal and RE ions.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Mohammad Reza Dousti and Raja Junaid Amjad
"Enhanced 1.06 μm emission in Nd3+-doped lead-tellurite glasses doped with silver nanoparticles", J. Nanophoton. 10(4), 046010 (Nov 03, 2016). ; http://dx.doi.org/10.1117/1.JNP.10.046010


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