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<p>An efficient, tunable, and multicolor-emitting fluorescent organic probe with an average crystalline size of 80.94 nm was synthesized from α-resorcylic acid with a short-chain passivating agent via a one-step solvothermal method. UV/visible spectroscopy, Photoluminance (PL), Fourier transform infrared spectroscopy (FTIR), Energy dispersive X-ray (EDX) analysis, X-ray powder diffraction (XRD), and Scanning electron microscope. (SEM) proved the fabrication and characterization of a fluorescent organic probe. UV–visible and PL indicated the luminance behavior of the fluorescent organic probe, while FTIR confirmed the functional groups present in the material. EDX confirmed the presence of C and N atoms, while XRD analysis revealed a broad peak at 2θ = 23° that the carbon core was composed of graphitic clusters. The SEM confirmed the triangular geometric morphology of the fluorescent organic probe. The relative quantum yield was measured to be 3.1%. The quenching efficiency (QE) of tenoxicam was observed to be 55.7%, owing to the presence of a thiophene ring. Furthermore, the fluorescent organic probe/TiO<sub>2</sub> composite exhibited better photocatalytic performance for degrading 10 ppm MG dye solution than TiO<sub>2</sub> by degrading 90.2%. Multicolor luminescent phenomena in the solid state were observed in polymeric thin films, which have gained significant interest in the field of device applications. This organic nanolight has attracted significant interest in sensory, chemical, and biological fields.</p>

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N-Doped Fluorescent Organic Probes: Facile Synthesis and Multifunctional Applications in TNX Sensing, Wastewater Treatment, and Luminescent Films

  • 期刊论文

  • 发表日期：

    2026年1月12日

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  • Muhammad Atif,
  • Zaman Ashraf,
  • Farhat Yasmeen,
  • Muhammad Ishaq,
  • Muhammad Iqbal,
  • Muhammad Arif,
  • Zeenat Haq,
  • Yasir Hayat Qayyum

摘要

An efficient, tunable, and multicolor-emitting fluorescent organic probe with an average crystalline size of 80.94 nm was synthesized from α-resorcylic acid with a short-chain passivating agent via a one-step solvothermal method. UV/visible spectroscopy, Photoluminance (PL), Fourier transform infrared spectroscopy (FTIR), Energy dispersive X-ray (EDX) analysis, X-ray powder diffraction (XRD), and Scanning electron microscope. (SEM) proved the fabrication and characterization of a fluorescent organic probe. UV–visible and PL indicated the luminance behavior of the fluorescent organic probe, while FTIR confirmed the functional groups present in the material. EDX confirmed the presence of C and N atoms, while XRD analysis revealed a broad peak at 2θ = 23° that the carbon core was composed of graphitic clusters. The SEM confirmed the triangular geometric morphology of the fluorescent organic probe. The relative quantum yield was measured to be 3.1%. The quenching efficiency (QE) of tenoxicam was observed to be 55.7%, owing to the presence of a thiophene ring. Furthermore, the fluorescent organic probe/TiO2 composite exhibited better photocatalytic performance for degrading 10 ppm MG dye solution than TiO2 by degrading 90.2%. Multicolor luminescent phenomena in the solid state were observed in polymeric thin films, which have gained significant interest in the field of device applications. This organic nanolight has attracted significant interest in sensory, chemical, and biological fields.