Abstract
Sm3+, Ce3+ codoped Al2O3-La2O3-SiO2 glasses were prepared and their luminescence properties were characterized. Blue-cyan to orange-red tunable luminescence was observed from these glasses with different excitation wavelengths ranging from 385 to 410 nm. White light emission with internal luminescence efficiency 42% has been observed using commercially available purple light-emitting-diode excitation. The energy transfer between Ce3+ and Sm3+ has also been investigated from fluorescence decay curves and spectral properties.
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Yang, H., Lakshminarayana, G., Teng, Y. et al. Tunable luminescence from Sm3+, Ce3+ codoped Al2O3-La2O3-SiO2 glasses for white light emission. Journal of Materials Research 24, 1730–1734 (2009). https://doi.org/10.1557/jmr.2009.0191
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DOI: https://doi.org/10.1557/jmr.2009.0191