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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 10, Iss. 2 — Feb. 10, 2012
  • pp: 021601–

V-doped MgAl6O10: novel luminescence substrate for phosphor-free UV-white LEDs

Peng Xu, Changtai Xia, Feng Wu, Xing Li, Qinglin Sai, Guoqing Zhou, and Xiaodong Xu  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 2, pp. 021601- (2012)


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Abstract

V-doped MgAl6O10 is grown by the conventional Czochralski method. The crystal structure and the cell parameters are analyzed through X-ray diffraction experiments. The absorption and emission spectra are investigated. Under pumping at 324 nm, the emission spectra of V-doped MgAl6O10 obtain two emission peaks at the wavelengths of 471 and 570 nm. Two emission bands of the spectra combine to produce a spectrum that is perceived as white by the naked eye. Therefore, V-doped MgAl6O10 single crystal can be applied as substrate for phosphor-free ultraviolet (UV)-white light-emitting diodes (LEDs).

© 2012 Chinese Optics Letters

OCIS Codes
(160.0160) Materials : Materials
(160.2100) Materials : Electro-optical materials
(160.4670) Materials : Optical materials

Citation
Peng Xu, Changtai Xia, Feng Wu, Xing Li, Qinglin Sai, Guoqing Zhou, and Xiaodong Xu, "V-doped MgAl6O10: novel luminescence substrate for phosphor-free UV-white LEDs," Chin. Opt. Lett. 10, 021601- (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-2-021601


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