American Chemical Society, Chemistry of Materials, 1(24), p. 6-8, 2011
DOI: 10.1021/cm2026637
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Thermal oxidation of a salt precursor made from the acid base combination of tris(hydroxymethyl)aminomethane and betaine hydrochloride results in light-emitting surface quaternized carbon dots that are water-dispersible, display anion exchange properties, and exhibit uniform size/surface charge.