What question did this study set out to answer?

The research aims to explore how tautomerism and pH levels affect the photoluminescence properties of molecular fluorophores derived from citric acid.

March 21, 2026RSC Advances1 citationsOpen Access

Insights into tautomerism and pH effects on the photoluminescence of citric acid-derived molecular fluorophores

LELaura EstévezUniversidade de Vigo NONicolás OteroUniversidade de Vigo

Key Points

The research aims to explore how tautomerism and pH levels affect the photoluminescence properties of molecular fluorophores derived from citric acid.
Analysis of tautomerism and its impact on photoluminescence
Evaluation of pH effects on molecular fluorophores
Examination of optical properties of citric acid-derived carbon dots.
Identified key factors of tautomerism influencing photoluminescence intensity.
Demonstrated pH-dependent behavior affecting the spectral properties of fluorophores.
Showed significant contributions of citric acid-derived compounds to photoluminescent properties.

Abstract

Photoluminescence mechanism of two representative molecular fluorophores known to significantly contribute to PL properties of citric acid-derived CDs.

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