Abstract
Herein, we proposed a novel metal-organic gel (YTU-G-1) for efficient adsorption and portable sensing of gaseous iodine. YTU-G-1 exhibits an unprecedentedly high detection sensitivity (KSV = 2.21 × 106 L mol-1) and an extremely low limit of detection (LOD) down to the pmol level (481 pmol L-1). YTU-G-1 also shows a marked iodine adsorption capacity of 1.398 g g-1. A wearable membrane was successfully fabricated via the electrospinning technique, which exhibits excellent skin-compatibility and serves as a portable tool for sensitive response to potential on-site nuclear emergencies.
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