Due to the unique properties such as thermal stability of the layers, its designable structure sites and potential practical uses, layered α-zirconium phosphate(ZrP) has received considerable attention. In traditional, α-ZrP has not been used in electrochemical detection owe to a poor conductivity. After exfoliation, layered ZrP could expose the active groups adequately, enhancing the reaction activity of ZrP.
In addition, exfoliated ZrP owns ion-exchange properties and exhibits high adsorption capacities for metal ions, especially for Pb2+. However, the negative charge of the board limited its use in adsorption of anionic composite and α-ZrP posses a poor conductivity, which may restrict its application in electrochemical detection. With the assist of DFT investigation, applying this unconductive material as sensing materials is favourable for discussing the relevance between the adsorption properties and the detection signals of the modifiers and would clarify the scientific essence of the enhanced detection signals with modified electrode.
In addition, α-ZrP is available to complex with organic amine using hydroxy, while polyaniline(PANI) posses abundant active groups. Combining α-ZrP with PANl would maintain or enhance their properties. Applying this organic-inorganic composite to the removal of organic pollutants could express their synergetic function, enhancing the adsorption capacity for organic pollutants.