Bimetallic Co‐Occupation and Multiple Interlayer Interactions in Aromatic Double Perovskite for Highly Sensitive and Stable Self‐Driven X‐Ray Detection

, surpassing most reported X-ray detectors. More importantly, the device exhibits excellent environmental stability due to multiple interlayer interactions. Even after prolonged exposure to air, the photocurrent density does not decrease significantly. This work first reports highly stable and sensitive X-ray detection via bimetallic co-occupation and interlayer interactions, offering insights into green perovskite optoelectronic devices.