期刊
CARBON
卷 50, 期 7, 页码 2539-2545出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2012.02.001
关键词
-
资金
- National Natural Science Foundation of PR China [20625517, 21075115, 21173201]
- Fundamental Research Funds for the Central Universities [WK2060190007]
We report an approach for the preparation of graphene oxide covalently functionalized with a Ru(II) complex (Ru-GO). A ruthenium(II) complex designed with a long alkyl amino functional group on one of its diimine ligands, bis(2,2'-bipyridine) (N-(2-amincethyl)-4-(4'-methyl-2,2'-bipyridine-4-yl)butanamide) ruthenium(II), was covalently grafted onto GO by the amide reaction between the amino group of the Ru(II) complex and the carboxyl group of the GO. The as-prepared Ru-GO showed excellent electrochemiluminescence (ECL) activity, good solubility and good stability. Using this hybrid material, a reagent-free ECL method was developed for the detection of tripropylamine to demonstrate the applicability of this new functionalized material. This approach is reliable and highly efficient, and might be extended to other chemiluminescent molecules containing an amino group such as luminol and its analogues to functionalize GO with ECL activity. (C) 2012 Elsevier Ltd. All rights reserved.
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