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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 5 — Mar. 1, 2013
  • pp: 612–614

High color purity red-emission of NaGdTiO4:Pr3+ via quenching of P03 emission under low-voltage cathode ray excitation

Su Zhang, Hongbin Liang, Chunmeng Liu, Zeming Qi, Tao Shao, and Yuyin Wang  »View Author Affiliations

Optics Letters, Vol. 38, Issue 5, pp. 612-614 (2013)

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A high color purity red emission is obtained in Pr3+ activated NaGdTiO4 (NGTP) materials. The International Commission on Illumination (CIE) chromaticity coordinates are calculated to be 0.663, 0.337, which are very close to the National Television System Committee (NTSC) red color 0.67, 0.34. The good color coordinates are due to intensive quenching of P03H43 emissions through the metal-to-metal intervalence charge transfer. Interestingly, the high color purity red emitting is observed not only under UV light excitation but also under low-voltage cathode ray excitation. The results indicate that NGTP may have a potential application in field emission displays.

© 2013 Optical Society of America

OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(300.2140) Spectroscopy : Emission

ToC Category:

Original Manuscript: October 26, 2012
Revised Manuscript: January 21, 2013
Manuscript Accepted: January 21, 2013
Published: February 21, 2013

Su Zhang, Hongbin Liang, Chunmeng Liu, Zeming Qi, Tao Shao, and Yuyin Wang, "High color purity red-emission of NaGdTiO4:Pr3+via quenching of P03 emission under low-voltage cathode ray excitation," Opt. Lett. 38, 612-614 (2013)

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