Enhancement of the Carbon Dots/K2S2O8 Chemiluminescence System Induced by Triethylamine.

doi:10.1021/acs.analchem.5b02562

Paper

Enhancement of the Carbon Dots/K2S2O8 Chemiluminescence System Induced by Triethylamine.

Published Oct 30, 2015 · Hui Zhang, Xiaowei Zhang, S. Dong

Analytical chemistry

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Abstract

Triethylamine (TEA), a common coreactant for electrochemiluminescence (ECL), is first utilized as a coreactant for chemiluminescence (CL). The CL intensity of carbon dots/K2S2O8 could be increased by ∼20 times in the presence of TEA. On the basis of this fascinating phenomenon, a room temperature operated senor is constructed for the fast, selective, and sensitive determination of TEA. A wide linear relationship between CL intensity and TEA concentration from 1 μM to 1000 μM (R(2) = 0.9995) was found with the detection limit down to 1 μM. The enhancement mechanism of TEA to this CL system is carefully investigated. Experimental results reveal that the forming of TEA free radical is what indeed induced the enhancement of the CL efficiency of CDs.

Study Snapshot

Triethylamine (TEA) significantly enhances the chemiluminescence intensity of carbon dots/K2S2O8 by 20 times, with the formation of TEA free radicals being the key mechanism.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

Enhancement of the Carbon Dots/K2S2O8 Chemiluminescence System Induced by Triethylamine.

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