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Published on: June 18, 2013

通过固相反应合成有机一维纳米材料.

Huibiao Liu¹, Yuliang Li, Shengqiang Xiao

¹Center for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, P R China.

Journal of the American Chemical Society

|September 4, 2003

概括

研究人员使用固相反应合成了烯 (AN) 纳米线和烯 (PY) 纳米棒,观察了尺寸依赖的发射特性. 这种方法为为各种应用量身定制的1D有机纳米材料提供了一条新的途径.

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科学领域:

材料科学材料科学材料科学
有机化学有机化学
纳米技术纳米技术

背景情况:

有机分子材料的受控合成对于先进的应用至关重要.
了解纳米材料的尺寸依赖性质是它们功能化的关键.
创建1D有机纳米结构的现有方法在控制和范围上有局限性.

研究的目的:

开发一条通用路径,以有限的尺寸控制有机分子材料的形态合成.
为了合成具有可控尺寸和形状的烯 (PY) 纳米棒和烯 (AN) 纳米线.
研究这些新型纳米结构的尺寸依赖性排放特性.

主要方法:

在受控条件下的固体阶段有机反应.
使用扫描电子显微镜 (SEM),传输电子显微镜 (TEM) 和X射线衍射 (XRD) 进行合成纳米结构的表征.
分析与材料尺寸相关的光发光特性.

主要成果:

成功合成了烯 (AN) 纳米线和烯 (PY) 纳米棒.
通过SEM,TEM和XRD确认纳米结构形态和结晶性.
在AN纳米线和PY纳米棒中观察尺寸依赖的辐射特性.

结论:

开发的固相反应方法为1D有机纳米材料的受控形态合成提供了一条通道.
定制的1D纳米材料具有特定的尺寸和形状,具有独特的固态物理特性.
这种方法对于为分子设备,纳米科学和其他功能化材料创建定制纳米材料具有重大潜力.