Luminescence and Defect Study of Ce3+-Doped Lu3Al5O12 Phosphors
Cerium doped lutetium aluminium garnet (Lu3Al5O12:Ce, LuAG:Ce) displays particularly promising performance and has a great potential to be used in PET and SPECT. LuAG:Ce phosphors was synthesized with a simple sol-gel process. The structure was identified with XRD. Variations of luminescent properties and defects of LuAG:Ce phosphors with different heat-treatment temperatures and Ce3+-dope concentrations have been investigated, with the aid of emission spectra and positron annihilation lifetime measurements. The influence of defects on the luminescence properties was discussed.
S. J. Wang, Z. Q. Chen, B. Wang and Y. C. Jean
Y.R. Zhong et al., "Luminescence and Defect Study of Ce3+-Doped Lu3Al5O12 Phosphors", Materials Science Forum, Vol. 607, pp. 128-130, 2009