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Qian Wang1, Zhao Li1, Dan-Dan Tao1

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Supramolecular aggregate sensing offers enhanced sensitivity and selectivity compared to traditional chemical sensors. This review highlights progress in aggregation-disaggregation sensing using diverse molecular building blocks.

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Area of Science:

  • Supramolecular Chemistry
  • Chemical Sensing

Background:

  • Conventional small-molecule chemical sensors face limitations in sensitivity and selectivity.
  • Supramolecular aggregates present a promising alternative for advanced chemical sensing.
  • These aggregates offer simpler building blocks and enhanced performance.

Purpose of the Study:

  • To review recent advancements in chemical sensing.
  • Focus on sensing strategies utilizing induced supramolecular aggregation-disaggregation.
  • Highlight the advantages of supramolecular aggregate-based sensors.

Main Methods:

  • Review of research on induced supramolecular aggregation-disaggregation.
  • Analysis of various molecular building blocks used in sensing.
  • Focus on perylene, pyrene, tetraphenylethylene derivatives, metallophilic species, and MOFs.

Main Results:

  • Supramolecular aggregate sensing demonstrates high sensitivity and selectivity.
  • Simpler molecular structures are employed as sensory building blocks.
  • Aggregation-induced emission and other phenomena enable sensitive detection.

Conclusions:

  • Sensing based on induced supramolecular aggregation-disaggregation is a rapidly advancing field.
  • Diverse molecular architectures, including perylene, pyrene, TPE derivatives, and MOFs, are effective.
  • This approach offers a powerful platform for developing next-generation chemical sensors.