Luminescence Enhancement of Er3+/Yb3+ Co-doped Tellurite Films on Ag-nanoparticles-doped Glass Substrates and Numerical Simulating

doi:10.3724/SP.J.1077.2011.01215

Journal of Inorganic Materials ›› 2011, Vol. 26 ›› Issue (11): 1215-1220.DOI: 10.3724/SP.J.1077.2011.01215

• Research Paper • Previous Articles Next Articles

Luminescence Enhancement of Er³⁺/Yb³⁺ Co-doped Tellurite Films on Ag-nanoparticles-doped Glass Substrates and Numerical Simulating

SUN Tian-Tuo¹, LIN Jian^1,2, WEI Heng-Yong¹, FENG Zhao-Bin¹

(1. College of Materials Science and Engineering, Tongji University, Shanghai 200092, China; 2. Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University, Shanghai 200092, China)

Received:2010-12-26 Revised:2011-03-14 Published:2011-11-20 Online:2011-11-11
Supported by:
Nano-tech Foundation of Shanghai Science and Technology Committee (0852nm06500)

Abstract

Abstract: The glass substrates doped with Ag nanoparticles (NPs) were fabricated by the field-assisted thermal diffusion (FATD) process. The Er³⁺/Yb³⁺ co-doped tellurite thin films were deposited on these substrates via nonhydrolytic Sol-Gel method. It was found that the luminescence of the thin film was significantly enhanced by the Ag NPs embedded in the glass substrate. The distribution of Ag in the substrate after FATD process was calculated by numerical simulating on base of Fick’s first and second law, Ohm’s law and Poisson equation. The enhancement factor increased with the increase of concentration and diameter of Ag NPs near the glass surface. When the total amount of NPs decreased and the thickness of space-charge layer increased, the enhancement effect became weak. In addition, besides the Ag NPs near the glass surface the Ag NPs far from the glass surface could also contribute to the luminescence enhancement.

Key words: silver nanoparticles, tellurite films, field-assisted thermal diffusion, surface-plasmon-enhanced luminescence, numerical simulating

CLC Number:

TQ174

SUN Tian-Tuo, LIN Jian, WEI Heng-Yong, FENG Zhao-Bin. Luminescence Enhancement of Er³⁺/Yb³⁺ Co-doped Tellurite Films on Ag-nanoparticles-doped Glass Substrates and Numerical Simulating[J]. Journal of Inorganic Materials, 2011, 26(11): 1215-1220.

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Luminescence Enhancement of Er³⁺/Yb³⁺ Co-doped Tellurite Films on Ag-nanoparticles-doped Glass Substrates and Numerical Simulating

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