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Proceedings Paper

Temperature-dependent luminescence and energy transfer in Europium and rare-earth-codoped nanostructured sol-gel SiO2 glasses
Author(s): Srinivasa Buddhudu; Makoto Morita; Hong Xi Zhang; Chan Hin Kam; Yee Loy Lam; Yan Zhou; Terence Kin Shun Wong; Yuen Chuen Chan; Boon Siew Ooi; Seng Lee Ng; Wenxiu Que
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Paper Abstract

Temperature-dependent luminescence spectra, lifetimes and energy transfer in Eu3+ and other rare earths co- doped sol-gel SiO2 glasses, were investigated in the temperature range from 10K to 300K. Due to the addition of the other rare earths as co-dopants, luminescence spectra of Eu3+ have shown significant changes not only in spectral intensities but also in emission peak features. Evaluation of the temperature-dependent energy transfer rates and lifetimes and the computation of critical energy transfer distances by employing two different energy transfer model schemes, have provided evidence for such luminescence behavior in the nanometer-size confined glass matrices.

Paper Details

Date Published: 12 November 1999
PDF: 7 pages
Proc. SPIE 3896, Design, Fabrication, and Characterization of Photonic Devices, (12 November 1999); doi: 10.1117/12.370348
Show Author Affiliations
Srinivasa Buddhudu, Nanyang Technological Univ. (Singapore)
Makoto Morita, Seikei Univ. (Japan)
Hong Xi Zhang, Nanyang Technological Univ. (Singapore)
Chan Hin Kam, Nanyang Technological Univ. (Singapore)
Yee Loy Lam, Nanyang Technological Univ. (Singapore)
Yan Zhou, Nanyang Technological Univ. (Singapore)
Terence Kin Shun Wong, Nanyang Technological Univ. (Singapore)
Yuen Chuen Chan, Nanyang Technological Univ. (Singapore)
Boon Siew Ooi, Nanyang Technological Univ. (Singapore)
Seng Lee Ng, Nanyang Technological Univ. (Singapore)
Wenxiu Que, Nanyang Technological Univ. (Singapore)


Published in SPIE Proceedings Vol. 3896:
Design, Fabrication, and Characterization of Photonic Devices
Marek Osinski; Soo-Jin Chua; Shigefusa F. Chichibu, Editor(s)

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