Abstract
Mesoporous Ni/Al-Layered double hydroxide (Ni/Al-LDH) surface has been assembled with metal oxides (Fe2O3). The obtained nanocomposite structure has been tested as probe electrode for the electrochemical detection of mercury Hg (II) in solution. An electrochemical study of the CPE-Fe2O3@Ni/Al-LDH modified electrode is achieved in the presence of mercury ions. The recorded cyclic voltammogram has shown a reversible process corresponding to the Hg (II)/Hg couple. These results demonstrate the potential role of nanoparticles associated with mesoporous material in developing strategies for simple and fast detection of metal ions in solution with detection limited 46 nM.
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