Design of efficient color-tunable long persistent luminescence phosphor BaGa2O4:Pr3+ and its performance enhancement via a trap-induced strategy† Xilin Ma,a Peng Feng,a Yajie Wang,a Songsong Ding,a Songlu Tiana and Yuhua Wang *a Author affiliations * Corresponding authors a National & Local Joint Engineering Laboratory for Optical Conversion Materials and Technology of National Development and Reform Commission, Department of Materials Science, Cross-Strait Research and Technology Transfer...