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Preparation and Characterization of C60/Graphene Hybrid Nanostructures
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半导体单晶,包括C60复合物的分离阵列
Jonathan C Barnes1, Edward J Dale, Aleksandrs Prokofjevs
1Departments of †Chemistry and ‡Materials Science and Engineering, Northwestern University , 2145 Sheridan Road, Evanston, Illinois 60208, United States.
Journal of the American Chemical Society
|January 13, 2015
概括
研究人员开发了一种新型的旋风受体,可以将C60富勒伦自组装成有序的柱状结构. 这一突破使得高效的C60组织可用于先进的电子材料,而无需复杂的处理.
科学领域:
- 超分子化学 超分子化学
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
背景情况:
- 纯净C60通常在固体中形成面中心立方包装.
- 与受体的非共价相互作用通常会产生具有较差远程顺序的C60复合体.
- 控制烯排列对于先进的材料性能至关重要.
研究的目的:
- 开发一种用于控制C60复合和自我组装的分子受体.
- 为了研究有序的一维富勒伦数组的形成.
- 为了评估这些自组装的富勒烯结构的电导率.
主要方法:
- 作为一个分子受体,利用了一个基于viologen的扩展型环,ExBox2(4+).
- 研究了C60与ExBox2 (((4+) 的1:1复合.
- 通过单晶分析,描述了纳入复合物的自我组装到柱状结构中.
- 测量了由此产生的晶体阵列的电导率.
主要成果:
- ExBox2(4+) 与C60.0实现了一对一的结合.
- 在环境条件下发生了1:1C60-ExBox2(4+) 纳入复合体的柱状自组装.
- 一维的富勒伦阵列沿着长轴的针状晶体形成.
- 在没有氧气疏散的情况下,电导率达到10(-7) S cm(-1),相当于高质量的C60材料.
结论:
- 该ExBox2(4+) 旋风扇有效地指导了C60.0的柱状自组装.
- 这种方法在环境条件下提供了一个简单的途径来订购富勒伦结构.
- 实现的导电性表明了基于C60的电子应用在不需要严格处理的情况下的潜力.
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