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Dendronized graphenes: remarkable dendrimer size effect on solvent dispersity and bulk electrical conductivity
其他题名树枝化石墨烯: 对溶剂分散性能和导电性能的显著树枝状尺寸效应
Zhao FG(赵福刚); Li WS(李维实)
2012
发表期刊J. Mater. Chem.
ISSN0959-9428
卷号22期号:7页码:3082-3087
摘要Graphene as a newly emerged carbon material has attracted considerable attention due to its outstanding properties and a wide range of fascinating applications. However, its real use is limited due to the lack of a method for mass production. The reduction from graphene oxide has been considered as one of the potential ways for mass-scalable preparation. However, it suffers from re-stacking of the final graphene sheets after reduction due to the strong intersheet interactions. To address this, we report here a strategy using three-dimensional and bulky dendritic structure to functionalize graphene sheets. We found that the treatment of the acylchlorinated graphene oxide with dendritic anilines can easily load dendritic wedges to graphene oxide sheets and simultaneously reduce graphene oxide to graphene. The afforded dendronized graphene products possess excellent dispersibility in a variety of solvents. The dispersity shows a great dependence on the size of the dendritic structure, in which the larger dendritic substituents afford a better dispersity. Surprisingly, dendronization with an appropriate size of dendritic structure does not hamper but can even greatly enhance the bulk electric conducting capability.
学科领域高分子化学
部门归属中科院上海有机化学研究所
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收录类别SCI
语种英语
WOS记录号WOS:000299504200037
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被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sioc.ac.cn/handle/331003/28431
专题高分子材料研究室
通讯作者Li WS(李维实)
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Zhao FG,Li WS. Dendronized graphenes: remarkable dendrimer size effect on solvent dispersity and bulk electrical conductivity[J]. J. Mater. Chem.,2012,22(7):3082-3087.
APA 赵福刚,&李维实.(2012).Dendronized graphenes: remarkable dendrimer size effect on solvent dispersity and bulk electrical conductivity.J. Mater. Chem.,22(7),3082-3087.
MLA 赵福刚,et al."Dendronized graphenes: remarkable dendrimer size effect on solvent dispersity and bulk electrical conductivity".J. Mater. Chem. 22.7(2012):3082-3087.
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