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Issue 17, 2019
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Mechano-fluorochromic behavior of AEE polyurethane films and their high sensitivity to halogen acid gas

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Abstract

Three polyurethanes with different contents of tetraaryl-buta-1,3-diene derivatives in the soft segment (STMPU-25/STMPU-50/STMPU-75) have been synthesized and found to present aggregation-enhanced emission features. The fluorescence intensity of polymer films was greatly enhanced with increasing tensile stress. Also, polyurethanes with higher aggregation-induced emission fluorogen content had stronger mechano-fluorochromic behavior in the same tension state. Moreover, the resulting polyurethane films possessed high sensitivity for halogen acid gas, suggesting their potential applications in environmental monitoring fields.

Graphical abstract: Mechano-fluorochromic behavior of AEE polyurethane films and their high sensitivity to halogen acid gas

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Publication details

The article was received on 21 Dec 2018, accepted on 07 Mar 2019 and first published on 26 Mar 2019


Article type: Paper
DOI: 10.1039/C8RA10486G
RSC Adv., 2019,9, 9517-9521
  • Open access: Creative Commons BY license
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    Mechano-fluorochromic behavior of AEE polyurethane films and their high sensitivity to halogen acid gas

    K. Wang, M. Wang, H. Lu, B. Liu, M. Huang and J. Yang, RSC Adv., 2019, 9, 9517
    DOI: 10.1039/C8RA10486G

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