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Royal Society of Chemistry, Nanoscale, 26(14), p. 9516-9525, 2022

DOI: 10.1039/d2nr02361j

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Unconventional aliphatic fluorophores discovered as the luminescence origin in citric acid–urea carbon dots

Journal article published in 2022 by Xiaoxiao Yao ORCID, Yinhan Wang, Fangjia Li, Joseph J. Dalluge, Galya Orr ORCID, Rigoberto Hernandez ORCID, Qiang Cui ORCID, Christy L. Haynes ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

An unconventional fluorophore, 5-oxopyrrolidine-3-carboxylic acid, was discovered as the fluorescence origin of polymeric carbon dots. This unique fluorophore has aggregation-enhanced emission which contributes to carbon dot fluorescence.