Synergistic role of hydrogen bonding and band degeneracy leads to enhanced X-ray detection in HPIP-(NH4)0.7Cs0.3Br3·H2O perovskites

This work shows the innovative introduction of Cs + into molecular perovskites to co-occupy with NH 4 + , synthesis of the HPIP-(NH 4 ) 0.7 Cs 0.3 Br 3 ·H 2 O perovskite, and fabrication of an X-ray detector with excellent overall performance and superior environmental stability.