Determination of m-dinitrobenzene based on novel type of sensor using thiol-porphyrin mixed monolayer-tethered polyaniline with intercalating fullerenols

A novel mixed-thiolated conducting polymer (PANI) was prepared firstly. The introduction of thiolated PANI improved the electrochemical response of m-DNB. Then fullerenols were intercalated in the PANI-mixed-thiol film. The electron-rich hydroxyl group of fullerenols could interact with the electron-deficient nitro-group of m-DNB, and improved the electrochemical response of m-DNB.