采用以微流道模板为基础的流体法,成功制备了在大范围内具有高度取向的单壁碳纳米管(SWNTs)阵列.讨论了SWNTs的浓度与长度、PDMS模板的宽度与形状对SWNTs定向排列效果的影响.研究了由有序排列的SWNTs构建的场效应晶体管(FET)的电学性质,所制的p型FET的开关比达到106.此方法适用于在大范围内构建高灵敏度、宽温度范围、快速响应的SWNTs的微电子元器件.
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