首页|Pyrolysis-derived materials of Mn-doped ZIF-67 for the electrochemical detection of o-nitrophenol
Pyrolysis-derived materials of Mn-doped ZIF-67 for the electrochemical detection of o-nitrophenol
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NSTL
Elsevier
The zeolitic imidazolate framework ZIF-67 can be used as a favorable catalyst carrier owing to its unique structure. Although the catalytic activity of ZIF-67 can be considerably improved by doping with transition metals such as manganese, manganese-doped ZIF-67 has rarely been applied in electrocatalysis. In this study, manganese-doped ZIF-67 was carbonized to form CoC@Mn and to prepare an electrochemical sensor for detecting o-nitrophenol (o-NP). The results showed that CoC@Mn exhibits a good electrocatalytic performance. The constructed sensor possessed a linear range of 0.5-100 uM for the detection of o-NP, with a detection limit of 0.16 uM. In addition, it was found to accurately detect o-NP in real lake and tap water samples. CoC@Mn is therefore expected to be an efficient electrocatalyst for detecting o-NP as an industrial pollutant.