Recent Progresses in Optical Colorimetric/Fluorometric Sensor Array

The optical colorimetric/fluorometric sensor array has been applied widely in many fields for its low-cost, easy-operation, fast-response, multi-information, etc. This review describes the progresses in recent years in the optical colorimetric/fluorometric sensor array and summarizes its applications in the detection of toxic gases, biological samples, ions, small molecules in solution, and complex mixtures. Moreover, the characteristics and performances of different colorimetric/fluorometric sensor arrays are discussed and the potential directions for their future research are prospected as well.