Perovskite‐Based Devices: Photophysical Pathways in Highly Sensitive Cs2AgBiBr6 Double‐Perovskite Single‐Crystal X‐Ray Detectors (Adv. Mater. 46/2018)

The sensitive detection of X‐rays embodies an important research area, being motivated by a common desire to minimize the radiation doses required for detection. In article number 1804550, Julian A. Steele, Maarten B. J. Roeffaers, and co‐workers detail the photophysical properties contributing to the impressive performance of highly sensitive X‐ray detectors based on double perovskite Cs₂AgBiBr₆. Upon cooling the device, enormous performance enhancements are realized and are tracked via optical‐based studies, closing the gap between the interpretation of highand low‐energy photogenerated charges.

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