Broad White Light and Infrared Emission Bands in YVO4:Yb3+,Ln3+ (Ln3+ = Er3+, Tm3+, or Ho3+)

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Published 24 August 2012 • ©2012 The Japan Society of Applied Physics
, , Citation Yongsheng Zhu et al 2012 Appl. Phys. Express 5 092701 DOI 10.1143/APEX.5.092701

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1 State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China

2 College of Physics, Jilin University, Changchun 130012, China

Dates

  1. Received 12 July 2012
  2. Accepted 31 July 2012
  3. Published

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Abstract

The upconversion luminescence (UCL) for YVO4:Yb3+,Ln3+ (Ln3+ = Er3+, Tm3+, or Ho3+) compounds exhibited novel and intense white light ranging from 400 to 850 nm, and super-broad infrared (IR) bands extending from 1100–1700 nm. The upconversion (UC) populating mechanism was discussed. The discovery described in this paper may be significant for developing novel devices for lighting and display, as well as broad IR optical communications.

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