Coumarin-encapsulated MOF luminescence sensor for detection of picric acid in water environment.

Here, a luminescence metal-organic frame sensor has been reported that can effectively detect aromatic nitro compounds in water. Based on the mechanism of fluorescence quenching, this sensor can not only efficiently identify picric acid in deionized water environment, but also quantitatively detect picric acid in the range of 0–100 μM. More importantly, this metal-organic frame sensor is suitable for the detection of picric acid in natural water. Image 1 • The MOF has good stability in water. • The MOF can efficiently detect picric acid in water. • The MOF can be applied in tap water and river water. [ABSTRACT FROM AUTHOR]