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The study investigates the fluorescence and photoelectric properties of fluorescein and phenolphthalein in aqueous polyvinyl alcohol solutions at pH 8.5. Despite their similar molecular structures, the two dyes exhibit significantly different spectral and photoelectric behaviors, with fluorescein showing high fluorescence quantum yields and phenolphthalein demonstrating greater thermal deactivation and charge separation capabilities. The findings highlight the influence of molecular structure on the photoph
- Author
- Danilo Ferreira
- Language
- EN