Dense Silica Encapsulation of Perovskite Quantum Dots via Decylphosphonic Acid Self‐Catalysis for Robust X‐ray Scintillators. - Wang, Hua; Liu, Han; Zheng, Wei; Long, Teng; Liang, Yan; Yu, William W.; Zhou, Chuanjian (Laser & Photonics Reviews, 2026)