Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 56, Issue 17, Pages 4757-4761Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201611879
Keywords
carbon dots; co-reactant; electrochemiluminescence; hybrids; self-enhancing
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Funding
- University of Strasbourg
- AXA Research funds
- University of Trieste
- Ministero dell Q Universita e della Ricerca (MIUR) [FIRB RBAP11C58Y, PRIN 2010]
- Erasmus + Traineeship program
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Amine-rich nitrogen-doped carbon nanodots (NCNDs) have been successfully used as co-reactant in electrochemiluminescence (ECL) processes. Primary or tertiary amino groups on NCNDs have been studied as co-reactant sites for Ru(bpy)(3)(2+) ECL, showing their eligibility as powerful alternatives to tripropylamine (TPrA). We also report the synthesis and ECL behavior of a new covalently linked hybrid of NCNDs and Ru(bpy)(3)(2+). Notably, the NCNDs in the hybrid act both as carrier for ECL labels and as co-reactant for ECL generation. As a result, the hybrid shows a higher ECL emission as compared to the combination of the individual components, suggesting the self-enhancing ECL of the ruthenium complex due to an intramolecular electron transfer process.
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