Abstract—Well-arranged porous Co
3 O
4 microsheets has been suc
cessfully synthesized via a hydrothermal process and subsequent thermal decomposition. The characterization of the as-prepared product is identified with scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM) and X-ray diffraction (XRD). The results show that the as-prepared porous Co
3O
4 possesses the face-centered cubic phase structure and well single-crystallized phase. Its electrochemical performance was characterized with square wave anodic stripping voltammetry (SWASV) for the detection of Pb(II) at the porous Co
3O
4/nafion modified electrode with the good sensitivity of 48.5 μA·μM-1 and detection limited of 30 nM (3σ method). In addition, the stability measurement is investigated under the optimized conditions.
Index Terms—Porous Co
3O
4 microsheets, hydrothermal process, heavy metal ions, electroanalysis.
Z. G. Liu and X. J. Huang are with University of Science and Technology of China, Department of Chemistry, Hefei 230026, PR China (e-mail: xingjiuhuang@iim.ac.cn (X.J.H)).
Z. G. Liu and X. J. Huang are with Research Center for Biomimetic Functional Materials and Sensing Devices, Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031, PR China.
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Cite:Zhong-Gang Liu and Xing-Jiu Huang, "Well-Arranged Porous Co3O4 Microsheets and Its Electroanalysis toward Pb (II)," International Journal of Chemical Engineering and Applications vol. 5, no. 3 pp. 229-233, 2014.
