Luminescent properties of Ba2ZnSi2O7:Eu3+ phosphors prepared by sol-gel process S. S. Yao, Y. Y. Li, L. H. Xue and Y. W. Yan Eur. Phys. J. Appl. Phys., 48 2 (2009) 20602 Published online: 02 October 2009 DOI: 10.1051/epjap/2009160