ArticleJournal of fluorescence2025
Unlocking the Photoluminescence Potential of Tabebuia Rosea Dyes: A Novel Natural Source of Broadband Visible Spectral Fluorescence for OLED Technologies.
Article in Journal of fluorescence, 2025. 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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Abstract
This investigation delves into the extraction of polyphenols from the flowers of Tabebuia rosea using a basic maceration approach with acetone, ethanol, and methanol as solvents. The spectroscopic analysis of the dye obtained confirms the existence of functional groups in the polyphenol extract. The study also explores optoelectronic, fluorescence, and photometric characteristics associated with polyphenols. Micro-destructive surface techniques, such as XPS led to the acquisition of detailed information on the extracted polyphenol. The XPS analysis verified the chemical composition of the dyes, revealing that C1s, O1s, and N1s peaks are the main signals for the extracted polyphenols. Additionally, the LC-MS analysis reveals the extract contains significant amounts of active compounds in the polyphenols class, which share a common polyphenol structure. FT-IR spectroscopy confirms the presence of functional groups in the polyphenol dye extract. The optical properties showed a narrow direct bandgap (E
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