Royal Society of Chemistry, Nanoscale, 26(14), p. 9516-9525, 2022
DOI: 10.1039/d2nr02361j
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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.