Tunable white luminescence and energy transfer in (Cu+)2, Eu3+ codoped sodium silicate glasses

doi:10.1364/OL.37.001670

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

Editor: Alan E. Willner
Vol. 37, Iss. 10 — May. 15, 2012
pp: 1670–1672

Tunable white luminescence and energy transfer in (Cu⁺)₂, Eu³⁺ codoped sodium silicate glasses

Hai Guo, RongFei Wei, and XueYun Liu »View Author Affiliations

Optics Letters, Vol. 37, Issue 10, pp. 1670-1672 (2012)
http://dx.doi.org/10.1364/OL.37.001670

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Abstract

Luminescent properties of ${({Cu}^{+})}_{2}$ , ${Eu}^{3 +}$ single-doped and codoped sodium silicate glasses were systematically investigated by excitation spectra, emission spectra, and decay curves. Due to the efficient energy transfer from ${({Cu}^{+})}_{2}$ pairs to ${Eu}^{3 +}$ , varied hues from green to yellowish white and eventually to orange were generated by tuning the content of ${Eu}^{3 +}$ . A perfect white-light emission with CIE coordinates $(X = 0.336, Y = 0.346)$ was realized in ${({Cu}^{+})}_{2}$ , ${Eu}^{3 +}$ and ${Ce}^{3 +}$ codoped samples. Our research indicates the potential application of ${({Cu}^{+})}_{2}$ , ${Eu}^{3 +}$ codoped sodium silicate glasses for converting phosphors for UV LED chips to generate white LEDs.

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.2750) Materials : Glass and other amorphous materials
(160.5690) Materials : Rare-earth-doped materials

ToC Category:
Materials

History
Original Manuscript: January 4, 2012
Revised Manuscript: March 25, 2012
Manuscript Accepted: March 25, 2012
Published: May 10, 2012

Citation
Hai Guo, RongFei Wei, and XueYun Liu, "Tunable white luminescence and energy transfer in (Cu⁺)₂, Eu³⁺ codoped sodium silicate glasses," Opt. Lett. 37, 1670-1672 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-10-1670

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| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES