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中文摘要：
采用荧光光谱、红外光谱（FT—IR）、透射电子显微镜（TEM）和循环伏安法研究了多壁碳纳米管（MWCNT）经浓硝酸功能化后的光谱、电化学性质，结果表明功能化后的MWCNT，荧光强度增强且谱峰发生蓝移；在水相中的分散能力大大增强；将处理后的MWCNT修饰到玻碳（GC）电极表面制备得到t—MwcNT／Gc修饰电极，以K3[Fe（CN）6]为探针循环扫描，结果显示，氧化还原峰电势差缩小且峰电流增加，显示了一定的电催化活性。
英文摘要：
Fluorescence spectroscopy, infrared spectroscopy （FT-IR）, transmission electron microscopy （TEM） and cyclic voltammetry methods were used to investigate the multi-wall carbon nanotubes （MWCNT） before and after the treatment with concentrated nitric acid. The results indicated that fluoresence intensity of MWCNT increased and the peak position had a short-wave blue shift. In addtion, the dispersion capability of MWCNT in aqueous was greatly improve. In 0.1 mol/L K3[Fe （CN）6] solution, the cyclic voltammograms of t-MWCNT/GC electrode obtained by modifying glassy carbon（GC） electrode with MWCNT showed that the difference of redox potential was decreased and the current were increased, which showed a certain electro catalyfical activity.
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