Journal of Nanoparticle Research

, Volume 11, Issue 4, pp 879–884 | Cite as

Wide colour gamut generated in triply lanthanide doped sol–gel nano-glass–ceramics

  • J. del-Castillo
  • J. Méndez-Ramos
  • A. C. Yanes
  • V. D. Rodríguez
Research Paper


The generation of a wide colour gamut, based on up-conversion of cheap near-infrared photons into the visible range, is of great importance for general lighting appliances and integrated optical devices. Here, we report for the first time on up-conversion luminescence under infrared excitation at 980 nm in Yb3+–Er3+–Tm3+ triply doped sol–gel derived SiO2–LaF3 based nano-glass–ceramics (SOL-YET), containing LaF3 nanocrystals with a size about 13 nm. Efficient simultaneous up-conversion emission of the three primary colours (blue, green and red) gives rise to a balanced white overall emission. The ratio between up-conversion emission bands can be varied by changing pump power intensity resulting in colour tuneable up-conversion phosphor.


Nano-structured materials Glass–ceramics Sol–gel White light generation Synthesis method 


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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • J. del-Castillo
    • 1
  • J. Méndez-Ramos
    • 2
  • A. C. Yanes
    • 1
  • V. D. Rodríguez
    • 2
  1. 1.Dpto. Física BásicaUniversidad de La LagunaLa LagunaSpain
  2. 2.Dpto. Física Fundamental y Experimental, Electrónica y SistemasUniversidad de La LagunaLa LagunaSpain

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