二维Rh-C60聚合相的制备和表征

王素芹 顾民

王素芹, 顾民. 二维Rh-C60聚合相的制备和表征[J]. 高压物理学报, 2008, 22(1): 35-38 . doi: 10.11858/gywlxb.2008.01.008
引用本文: 王素芹, 顾民. 二维Rh-C60聚合相的制备和表征[J]. 高压物理学报, 2008, 22(1): 35-38 . doi: 10.11858/gywlxb.2008.01.008
WANG Su-Qin, GU Min. Synthesis and Characterization of Two-Dimensional Rh-C60 Polymer[J]. Chinese Journal of High Pressure Physics, 2008, 22(1): 35-38 . doi: 10.11858/gywlxb.2008.01.008
Citation: WANG Su-Qin, GU Min. Synthesis and Characterization of Two-Dimensional Rh-C60 Polymer[J]. Chinese Journal of High Pressure Physics, 2008, 22(1): 35-38 . doi: 10.11858/gywlxb.2008.01.008

二维Rh-C60聚合相的制备和表征

doi: 10.11858/gywlxb.2008.01.008
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    通讯作者:

    顾民

Synthesis and Characterization of Two-Dimensional Rh-C60 Polymer

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    Corresponding author: GU Min
  • 摘要: 利用高压合成装置在6 GPa压力、700 ℃温度条件下合成了二维C60聚合相,并用X射线衍射(XRD)和高分辨核磁共振(NMR)等方法对样品进行了表征。XRD分析结果表明,C60分子在高温高压下发生了聚合反应,晶体结构由面心立方结构变为菱形结构,通过[2+2]加环反应在邻近分子间形成sp3杂化共价键。13C核磁共振魔角谱 (13C MAS NMR)在145和72处出现了两个共振峰,其中在145附近的峰展宽并有两个边带。145附近的峰的展宽与分裂主要是由于C60分子上出现了不等价的sp2杂化碳和高温高压条件下产生的结构无序,边带的形成说明了其结构的各向异性;位置为72附近的峰证明了聚合物内C60分子之间出现了sp3杂化键。

     

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出版历程
  • 收稿日期:  2007-01-20
  • 修回日期:  2007-04-26
  • 刊出日期:  2008-03-05

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