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中文摘要：
利用直流电电化学沉积法将生长碳纳米管（CNT）的催化剂镍均匀地附着在石墨电极（GE）表面,再通过化学气相沉积法制备得到原位生长碳纳米管化学修饰电极（GSCNT-CME）.电化学沉积的金属镍和所制备的修饰电极分别用光学显微镜、扫描电子显微镜（SEM）和电子能谱（EDX）进行表征,所得修饰电极的电化学性能用[Fe（CN）6]3-/[Fe（CN）6]4-溶液进行表征.结果表明：经直流电电化学沉积,可以在石墨电极表面沉积一层致密的金属镍,能生长出管径均匀的碳纳米管,所制得的修饰电极具有良好的电化学响应灵敏性和准确性,可在电化学检测领域发挥重要的应用.
英文摘要：
Grown in situ carbon nanotube chemically modified electrode（GSCNT-CME） was prepared by the in situ growth of carbon nanotube（CNT） onto a pretreated graphite electrode（GE） via catalytic chemical vapor deposition.The pretreated GE was prepared by direct current electrochemical deposition using a nickel catalyst.The deposited nickel and the obtained GSCNT-CME were characterized by optical microscopy,scanning electron microscopy（SEM）,and energy dispersive X-ray diffraction（EDX）.The electrochemical performance of the obtained GSCNTCMEs were characterized by cyclic voltammetry using a [Fe（CN）6]3-/[Fe（CN）6]4-solution.Results showed that there was a layer of nickel on the pretreated GE surface after direct current electrochemical deposition and CNT with uniform tube diameters were present on the surface of the GE.The prepared GSCNT-CME has good current response sensitivity and good accuracy.It may be applied in electrochemical testing field.
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