Flexible fluorescent sensors for detection of common environmental contaminants
With the continuous progress of industrialization,environmental pollution has become an increasingly prominent problem.The development of sensors and their arrays specifically designed to detect different types of pollutants is significant for the management of environmental pollution and the protection of people's health.Fluorescent molecule probes with high detection sensitivity and fast response have gradually become important tools for pollutants detection.Fluorescent sensing membranes prepared from fixation of probes on flexible substrates through physical or chemical methods are devices of huge potential for detection of trace substances,which exhibite advantages including simple operation,convenient portability,adjustable size,and non-pollution to the test system,especially its great promotion in research on intelligent wearable materials,and have attracted widespread attention.Here,the research status of flexible sensing membranes and devices based on fluorescent probe technology for the detection of common gaseous and liquid environmental pollutants in recent years was reviewed.Moreover,the existing problems and challenge in this field were summarized.The future development direction of this technology in multiple expansion and optimization of sensor unit and substrate,composite flexible sensor array,and environmentally friendly film regeneration technology was also prospected.
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