Super luminescence enhancement, luminescence color-changing and emission mechanism of Sr 1.5 Ca 0.5 Al 2 SiO 7 : a Ce 4+ , b Tb 3+

In the Sr 1.5 Ca 0.5 Al 2 SiO 7 system, co-doping with Ce 4+ and Tb 3+ enhanced the luminescence intensity of Tb 3+ by 1813.6% with continuously tunable afterglow emission color.