ArticleJournal of fluorescence2026
Perylene/4-Nitrophenol Based Green Light Emitting Luminophors as Efficient Hole-Transport Materials for Organic Optoelectronics.
Article in Journal of fluorescence, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors.
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Abstract
A series of perylene (Pery) doped 4-nitrophenol (4-NP) luminophors (Pery/4-NP) were synthesized using a conventional solid-state reaction method. Energy transfer processes in the excited state were investigated through fluorescence spectroscopy, Ultraviolet–Visible (UV-Vis) analysis, and Tauc plot evaluation. Fluorescence studies indicated exciplex formation at higher dopant concentrations, evidenced by broad and structureless emission spectra, along with monomer quenching of 4-NP. The Pery/4-NP system exhibited strong green emission in the range of 500–650 nm, with a maximum at 600 nm. Structural analysis via X-Ray Diffraction (XRD) confirmed the formation of homogeneous crystalline phases, and scanning electron microscopy (SEM) revealed well-defined nanoscale morphology. Thermogravimetric analysis (TGA) demonstrated the material’s good thermal stability. Optical characterization, as determined by UV–Visible spectroscopy and Tauc plot analysis, and cyclic voltammetry (CV) analysis revealed a direct bandgap of 2.7 eV, indicating strong UV absorption and suitability for optoelectronic applications. These combined optical, structural, and thermal properties suggest that the Pery/4-NP luminophors are promising candidates for use as hole-transporting materials in organic optoelectronic devices.
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