Triphenylamine-Based Fluorescent Molecular Rotors (FMRs): A Mini Review

Fluorescence molecular rotors (FMRs) are responsive to their surroundings; changes in the environment cause molecules to rotate differently, which mostly affects the intensity of fluorescence. As a result, these rotors are very useful for biological process sensing, monitoring, and food analysis. Triphenylamine is a popular choice for creating fluorescence molecular rotors (FMRs) because of its structure, which consists of three phenyl rings joined to a nitrogen atom. This allows for unrestricted rotation and makes it an efficient electron donor. This brief review highlights the various characteristics and functions of triphenylamine-based fluorescence molecular rotors (FMRs) by concentrating on recent research in this area.