工程碳纳米管和纳米管电路使用电分解
P G Collins1, M S Arnold, P Avouris
1IBM T. J. Watson Research Center, Yorktown Heights, NY 10598, USA.
概括
研究人员开发了一种方法,可以选择性地从多壁纳米管 (MWNT) 和单壁纳米管 (SWNT) 绳索中去除碳外. 这一过程调整了它们的电子特性,使得金属或半导体导体和纳米级晶体管的制造成为可能.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 凝聚物质物理学 凝聚物质物理学
背景情况:
- 碳纳米管 (CNTs) 具有不同的电子特性,无论是金属还是半导体.
- 断层纳米管 (MWNTs) 和单壁纳米管 (SWNT) 绳是复杂的导体,由于多个外或捆绑的管子,具有多种电子结构.
研究的目的:
- 开发一种选择性地从MWNT和SWNT绳索中去除碳外的方法.
- 为了定制这些复合纳米结构的电子特性.
- 为了能够创建定制的金属或半导体导体和纳米级设备.
主要方法:
- 证明了一种可靠的技术,用于逐步从MWNT中移除单个碳外.
- 在SWNT绳子上应用选择性去除外.
- 描述了单个外和修改的CNT结构的电子特性.
主要成果:
- 通过选择特定的外,成功地将MWNT转化为金属或半导体导体.
- 解决了在多系统中理解运输属性的挑战.
- 从SWNT绳子中生成纳米级场效应晶体管阵列,通过隔离半导体分数.
结论:
- 选择性碳外去除提供了一种精确的方法来调整MWNT和SWNT绳索的电子行为.
- 这种方法为制造针对电子应用的定制纳米材料提供了一条途径.
- 该技术有助于开发新的纳米级设备,包括场效应晶体管.
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