Fluorescent sensors for aldehydes based on luminescent metal-organic frameworks

Volatile aldehydes cause great harm to human health and the living environment, and the detection of aldehydes has attracted much attention from chemists and material scientists. In recent years, as one of the most promising classes of functional materials, luminescent metal-organic frameworks (LMOFs) have bloomed as fluorescent sensors for the detection of aldehydes. Herein, the sensing properties of LMOF sensors toward formaldehyde, benzaldehyde, acetaldehyde and other aldehydes have been reviewed, and the sensing mechanism and applications are also illustrated. Additionally, the current status and its potential development prospects in this field are outlined.