电泳法是制作碳纳米管冷阴极的重要方法.电泳电压是电泳过程中的重要参数,不同电压会影响阴极沉积的厚度和效率、形貌结构及场发射特性.实验对比研究和机理分析认为,电压在20～30 V区间内较易获得良好的碳纳米管场发射冷阴极.针对电泳边缘增厚效应,提出减小电场强度边缘效应方法.
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