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<p>In recent years, luminescent materials with stimuli-responsive properties have attracted extensive attention. In this article, the gelation induced emission enhancement (GIEE) property of an 1,3,4-oxadiazole derivative (4-POXD-B8) was studied. The formation of the J-aggregate was viewed as the reason for this GIEE property, which was proved by UV-vis spectra. 4-POXD-B8 was found to exhibit a triple-channel (color, fluorescence and state change) response to trifluoroacetic acid (TFA). It was speculated that the reason for the acid responsiveness of 4-POXD-B8 was that the molecule was protonated after the addition of TFA, which can be confirmed by 1&#xa0;H NMR and UV-vis spectra. In addition, the encryption-decryption process of information under visible and UV light was realized by using 4-POXD-B8 and TFA/triethylamine (TEA), which may provide some reference for future information storage.</p>

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1,3,4-Oxadiazole Derivative: Gelation Induced Emission Enhancement and Triple-Channel Acid Responsive Properties

  • 期刊论文

  • 发表日期：

    2025年6月21日

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  • Tianren Zhang,
  • Qingyan Wang,
  • Mingwen Ma,
  • Youpeng Zuo,
  • Fajun Li,
  • Xusheng Xie,
  • Yuchen Wei,
  • Guizhi Wang,
  • Xueqing Hu

摘要

In recent years, luminescent materials with stimuli-responsive properties have attracted extensive attention. In this article, the gelation induced emission enhancement (GIEE) property of an 1,3,4-oxadiazole derivative (4-POXD-B8) was studied. The formation of the J-aggregate was viewed as the reason for this GIEE property, which was proved by UV-vis spectra. 4-POXD-B8 was found to exhibit a triple-channel (color, fluorescence and state change) response to trifluoroacetic acid (TFA). It was speculated that the reason for the acid responsiveness of 4-POXD-B8 was that the molecule was protonated after the addition of TFA, which can be confirmed by 1 H NMR and UV-vis spectra. In addition, the encryption-decryption process of information under visible and UV light was realized by using 4-POXD-B8 and TFA/triethylamine (TEA), which may provide some reference for future information storage.