Ma, J., Li, S., Yang, W., Chang, Y., Zhao, Y., Li, H., He, R., Kuang, D., Zhou, L. (2026). Efficient Organic‐Inorganic Sn 4+ ‐Based Halide Phosphorescent Scintillators Enabled by Enhanced Triplet Exciton Utilization and Excited Energy Level Regulation. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202524854