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Charge transfer at conductive polymer/liquid interfaces critically affects the performance of organic bioelectronics and energy conversion/storage devices. Here, the authors provide a mechanistic framework to describe charge-transfer rates in the context of hybrid ionic–electronic conductivity.
Double perovskite Cs2AgBiBr6 single crystals are used to make a sensitive X-ray detector. The device exhibits a high sensitivity of 105 µC Gyair−1 cm−2 and a low detection limit of 59.7 nGyairs−1, and demonstrates long-term operational stability.
Tactile sensors provide robots with the ability to interact with humans and the environment with great accuracy, yet technical challenges remain for electronic-skin systems to reach human-level performance.