Effective enhancement of peroxydisulfate electrochemiluminescence on C60/DDAB films |
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| Institution: | 1. State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China;2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, PR China;1. Ministry of Education Key Laboratory of Analysis and Detection for Food Safety, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, college of chemistry and chemical Engineering, Fuzhou University, Fuzhou, Fujian, 350108, China;2. Analytical and Testing Center, The Sport Science Research Center, Fuzhou University, Fuzhou, Fujian, 350002, China;1. School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, Jiangsu, PR China;2. College of Chemistry Chemical Engineering and Material Science, Zaozhuang University, Zaozhuang 277160, Shandong, PR China;1. Federal University of Rio Grande do Norte, Institute of Chemistry, Lagoa Nova CEP 59.072-970, RN, Brazil;2. Department of Chemical and Pharmaceutical Sciences, University of Ferrara, via L. Borsari 46, I-44121 Ferrara, Italy;1. Department of Hepatopathy, Ningbo No.2 Hospital, Ningbo 315000, China;2. Digestive Department, Ningbo No.2 Hospital, Ningbo 315000, China;3. Pharmaceutical Preparation Section, Ningbo No.2 Hospital, Ningbo 315000, China;4. Department of Paediatrics, Ningbo Women and Children’s Hospital, Ningbo 315000, China |
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| Abstract: | Effective enhancement of electrochemiluminescence (ECL) of peroxydisulfate on a C60/didodecyldimethyl ammonium bromide (C60/DDAB) film coated glassy carbon electrode (GCE) surface is reported in this paper. The C60/DDAB film gave lower cathodic current in the presence of peroxydisulfate than that from a bare GCE. To our surprise, electrochemiluminescent intensity from peroxydisulfate reduction was effectively enhanced on the C60/DDAB film, which was 50 times and 250 times higher than those from a DDAB film coated and bare GCE, respectively. Moreover, the ECL onset potential on the C60/DDAB film was about −0.9 V, which positively shifted 200 mV compared with that from the bare GCE. Dissolved oxygen and the applied potential also affected the electrochemiluminescent intensity. The presence of oxygen decreased the intensity, and the intensity reached maximum at the applied potential of −1.7 V. The unique property will greatly enrich ECL studies and applications based on fullerenes. |
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