Journal of Guangdong University of Technology ›› 2015, Vol. 32 ›› Issue (1): 24-28.doi: 10.3969/j.issn.1007-7162.2015.01.006

• Comprehensive Studies • Previous Articles     Next Articles

Synthesis Mechanism and Properties of Gallium Substituted YAG:Ce Phosphors

Liang Yun-ling， Zhang Wei， Hu Zheng-fa， Feng Zu-yong， Liu Qian, Luo Jie   

  1. School of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China
  • Received:2014-04-02 Online:2015-03-05 Published:2015-03-05

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Abstract: A series of Gallium-substituted Cerium-doped yttrium aluminum garnet (YAGG:Ce) phosphors were produced by co-precipitation. The formation process and structure of the Ga3+-substituted phosphor powders are characterized by TG, FTIR, XRD and XPS, and the impacts of Ga3+ concentration on the luminescence properties have been investigated. The results show that the blue shift occurs after Ga3+ replaces Al3+ in matrix, and the intensity of emission spectrum is affected by the concentration of Ga3+.

Key words: rare earth; co-precipitation method; YAG; spectral properties

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