Hu et al. report a low-temperature polar-solvent strategy for high-yield (162 mg mL−1) perovskite nanocrystal synthesis with suppressed self-absorption. The scintillator films achieve ~7 ns fast decay, 28,800 photons MeV−1 light yield, and dynamic X-ray imaging at 7,680 frame per second.
- Xudong Hu
- Zhicheng Wang
- Omar F. Mohammed