期刊
ELECTROCHIMICA ACTA
卷 132, 期 -, 页码 496-503出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2014.03.152
关键词
Graphene-Polyaniline; Multifunctional groups; Chemical sensor; Electrochemical reduction
资金
- National Natural Science Foundation of China [50978157, 21007033, 51178254]
- Natural Science Foundation for Distinguished Young Scholars of Shandong province [JQ201116]
- Foundation for Outstanding Young Scientist in Shandong Province [BS2010CL031]
Herein, graphene-polyaniline (GR-PANI) composite were synthesized via a combination of electrochemical polymerization and chemical technique. This in-situ approach allows GR and PANI to combine efficiently and anchor on electrode steadily, and the attractive interactions enable GR-PANI to provide superior electrochemical activities on the basis of their respective functionalities. Detailed electrochemical studies indicate that the GR-PANI possesses high sensitive response to Cr(VI) and presents exceptional electrocatalytic performance toward Cr(VI) reduction, which is attributed to the increasing amount of active sites on the GR-PANI modified electrode and the effective electron transfer behavior on GR-PANI/Cr(VI) interface. (C) 2014 Elsevier Ltd. All rights reserved.
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