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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 28 — Dec. 31, 2012
  • pp: 29743–29750

Tunable white luminescence and energy transfer in novel Cu+, Sm3+ co-doped borosilicate glasses for W-LEDs

RongFei Wei, ChongGeng Ma, YunLe Wei, JiaYu Gao, and Hai Guo  »View Author Affiliations


Optics Express, Vol. 20, Issue 28, pp. 29743-29750 (2012)
http://dx.doi.org/10.1364/OE.20.029743


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Abstract

The luminescent properties of novel Cu+, Sm3+ single- and co-doped borosilicate glasses were systematically investigated by absorption, excitation, emission spectra and decay curves. Cu+ single-doped glasses emit broad luminescence band covering all the visible range. And their peaks shift to blue with decreasing excitation wavelength from 330 to 280 nm. Cu+, Sm3+ co-doped samples generate the varied hues from blue white to pure white and eventually to yellow white due to an efficient energy transfer from Cu+ to Sm3+. Our research indicates the potential application of Cu+, Sm3+ co-doped borosilicate glasses as converting phosphors for white LEDs pumped by UV LED chips.

© 2012 OSA

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.2750) Materials : Glass and other amorphous materials
(160.5690) Materials : Rare-earth-doped materials
(160.6990) Materials : Transition-metal-doped materials

ToC Category:
Materials

History
Original Manuscript: September 26, 2012
Revised Manuscript: December 5, 2012
Manuscript Accepted: December 5, 2012
Published: December 20, 2012

Citation
RongFei Wei, ChongGeng Ma, YunLe Wei, JiaYu Gao, and Hai Guo, "Tunable white luminescence and energy transfer in novel Cu+, Sm3+ co-doped borosilicate glasses for W-LEDs," Opt. Express 20, 29743-29750 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-28-29743


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