The electrochemical 4-chlorophenol sensing properties of a plasma-treated multilayer graphene modified photolithography patterned platinum electrode

作者: Padmanathan Karthick Kannan , Rogerio V. Gelamo , Hywel Morgan , Palaniswamy Suresh , Chandra Sekhar Rout

DOI: 10.1039/C6RA24136K

关键词: Raman spectroscopyOxygenX-ray photoelectron spectroscopyScanning electron microscopeMaterials scienceChemical engineeringElectrodePlatinumElectrochemistryGrapheneAnalytical chemistry

摘要: The present work describes the electrochemical 4-chlorophenol (4-CP) sensing properties of multilayer graphene samples (MLG). In order to enhance presence oxygen functional groups and increase edge plane defects, plasma treatment is adopted. Raman, X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) atomic force (AFM) characterizations are used investigate effect on MLG. Compared pristine MLG, treated one shows increased oxidation current towards 4-CP. sensor data exhibit high sensitivity stability with anti-interference property in other phenolic compounds including phenol, bisphenol, 2,3-chlorophenol, 2,3,4-nitrophenol inorganic ions.

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