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<p>Using the conventional solid-state reaction method, a new class of o-terphenyl (o-Th) luminophores infused with different concentrations of anthracene (AN) was created in order to study new luminophores that emit at longer wavelengths. We analyzed their optical and electrochemical characteristics using spectrofluorimetry and cyclic voltammetry. Anthracene like emission was observed in the fluorescence spectrum of AN-doped o-Th luminophors. The peaks observed at 420, 442 and 470&#xa0;nm in all luminophors. These new peaks are attributed due to excitation energy transfer from o-Th to anthracene. The synthesized luminophore’s Highest Occupied Molecular Orbital (HOMO) and Lowest Unoccupied Molecular Orbital (LUMO) energy levels ranged from 5.87&#xa0;eV and − 4.67&#xa0;eV, respectively. Through TGA analysis, thermal stability was assessed. The homogeneous material’s synthesis and crystallinity was validated by the XRD. The morphology of the prepared luminophors was confirmed by scanning electron microscopy (SEM). This comprehensive analysis suggests that these synthesized violet-indigo fluorescent luminophores have potential for use in optoelectronic devices.</p>

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Novel o-Terphenyl Luminophores for Optoelectronic Devices: Synthesis, Photophysical, Electrochemical, and Thermal Analysis

  • 期刊论文

  • 发表日期：

    2025年6月28日

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  • Amarsinh R. Mainak,
  • Pranjali S. Kewate,
  • Vasanti B. Shabade,
  • Vishnu V. Kutwade,
  • Radhakrishnan M. Tigote,
  • Netaji K. Desai,
  • Sidram R. Pujari

摘要

Using the conventional solid-state reaction method, a new class of o-terphenyl (o-Th) luminophores infused with different concentrations of anthracene (AN) was created in order to study new luminophores that emit at longer wavelengths. We analyzed their optical and electrochemical characteristics using spectrofluorimetry and cyclic voltammetry. Anthracene like emission was observed in the fluorescence spectrum of AN-doped o-Th luminophors. The peaks observed at 420, 442 and 470 nm in all luminophors. These new peaks are attributed due to excitation energy transfer from o-Th to anthracene. The synthesized luminophore’s Highest Occupied Molecular Orbital (HOMO) and Lowest Unoccupied Molecular Orbital (LUMO) energy levels ranged from 5.87 eV and − 4.67 eV, respectively. Through TGA analysis, thermal stability was assessed. The homogeneous material’s synthesis and crystallinity was validated by the XRD. The morphology of the prepared luminophors was confirmed by scanning electron microscopy (SEM). This comprehensive analysis suggests that these synthesized violet-indigo fluorescent luminophores have potential for use in optoelectronic devices.