期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 693, 期 -, 页码 79-85出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2013.01.031
关键词
Fe3O4 microspheres; Iron (II) phthalocyanine; Multifunctional graphene nanocomposite; Biomimetic sensor; Organic peroxide
资金
- National Natural Science Foundation of China [21075054, 21175061, 31271620]
- Natural Science Foundation of Education Bureau of Jiangsu Province, China [10KJA470007]
- Key Laboratory of Modern Agriculture Equipment and Technology [NZ201109]
- China Postdoctoral Science Foundation [2012M520998, 2012M511217]
Multifunctional magnetic nanocomposites, iron (II) phthalocyanine@Fe3O4/reduced graphene oxide (FePc@Fe3O4/rGO), have been fabricated by a facile equilibrium adsorption process with Fe3O4/rGO nanocomposites as adsorbents. Based on their multifunctionality including magnetic and biomimetic catalytic properties, the as-prepared nanocomposites were further immobilized on the magnetic electrode surface by a fast and simple magnetism-assisted assembly for the reduction of tert-butyl hydroperoxide (TBHP). The proposed biomimetic sensor can be applied to the quantification of TBHP with a linear range over the concentration range of 20 mu M-60 mM and a detection limit of 7.5 mu M (S/N = 3), which offers several advantages including easy preparation, good sensitivity, long-term stability, and low cost. (C) 2013 Elsevier B.V. All rights reserved.
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