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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 11 — Jun. 1, 2010
  • pp: 1926–1928

Efficient near-infrared luminescence and energy transfer in erbium/bismuth codoped zeolites

Zhenhua Bai, Hong-Tao Sun, Takashi Hasegawa, Minoru Fujii, Fumiaki Shimaoka, Yuji Miwa, Minoru Mizuhata, and Shinji Hayashi  »View Author Affiliations


Optics Letters, Vol. 35, Issue 11, pp. 1926-1928 (2010)
http://dx.doi.org/10.1364/OL.35.001926


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Abstract

We have shown that tunable and highly efficient broadband near-IR (NIR) luminescence can be realized in erbium/bismuth codoped zeolites. The emission covers the ranges of 930 1450 nm and 1450 1630 nm . The intensity ratio of the two bands can be tuned by adjusting the concentration of erbium and the excitation wavelength. Steady-state and time-resolved photoluminescence (PL), and PL excitation measurements indicate that two kinds of emitters coexist in the pores of zeolites, and that NIR active bismuth simultaneously acts as a sensitizer of erbium. The present results demonstrate an important rational strategy for the design of a tunable NIR-emitting zeolite-based nanosystem.

© 2010 Optical Society of America

OCIS Codes
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
(300.2140) Spectroscopy : Emission

ToC Category:
Materials

History
Original Manuscript: February 24, 2010
Revised Manuscript: April 29, 2010
Manuscript Accepted: May 11, 2010
Published: June 1, 2010

Citation
Zhenhua Bai, Hong-Tao Sun, Takashi Hasegawa, Minoru Fujii, Fumiaki Shimaoka, Yuji Miwa, Minoru Mizuhata, and Shinji Hayashi, "Efficient near-infrared luminescence and energy transfer in erbium/bismuth codoped zeolites," Opt. Lett. 35, 1926-1928 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-11-1926

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