Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 157, Issue 4, Pages K76-K79Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.3298471
Keywords
catalysis; catalysts; electrochemistry; ferromagnetic materials; iron compounds; liquid phase deposition; magnetic thin films; nanofabrication; nanostructured materials; organic compounds; scanning electron microscopy; transmission electron microscopy; X-ray diffraction
Funding
- National Natural Science Foundation of China [50902007]
- Natural Science Foundation of Jiangsu Universities [09KJB430005]
- Specialized Research Fund for the Qinglan Engineering Program of Jiangsu province
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In this paper, hierarchically nanostructured magnetite films were in situ constructed on pure iron substrates by a convenient solution process. The resulting magnetite film was characterized by scanning electron microscopy, X-ray diffraction, as well as transmission electron microscopy. The electrocatalytic performance of the nanostructured film was also tested, which showed both high sensitivity and selectivity for the detection of L-ascorbic acid (AA) in the presence of dopamine (DA). In addition, repeated measurements in consecutive months disclosed constant catalytic responses at optimum potential, indicating both the stability and selectivity of the hierarchically nanostructured magnetite electrode for determining AA from DA without any interference.
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