Surface modification of indium tin oxide films by amino ion implantation for the attachment of multi-wall carbon nanotubes |
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| Authors: | Jiao Jiao Qunxia Chen Jingbo Hu Qilong Li |
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| Institution: | a College of Chemistry, Beijing Normal University, Beijing 100875, PR China
b Key Laboratory of Beam Technology and Material Modification of Ministry of Education, Beijing Normal University, Beijing 100875, PR China |
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| Abstract: | Amino ion implantation was carried out at the energy of 80 keV with fluence of 5 × 1015 ions cm−2 for indium tin oxide film (ITO) coated glass, and the existence of amino group on the ITO surface was verified by X-ray photoelectron spectroscopy analysis and Fourier transform infrared spectra. Scanning electron microscopy images show that multi-wall carbon nanotubes (MWCNTs) directly attached to the amino ion implanted ITO (NH2/ITO) surface homogeneously and stably. The resulting MWCNTs-attached NH2/ITO (MWCNTs/NH2/ITO) substrate can be used as electrode material. Cyclic voltammetry results indicate that the MWCNTs/NH2/ITO electrode shows excellent electrochemical properties and obvious electrocatalytic activity towards uric acid, thus this material is expected to have potential in electrochemical analysis and biosensors. |
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| Keywords: | Ion implantation Indium tin oxide Multi-wall carbon nanotubes Uric acid |
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