806625

Sigma-Aldrich

石墨烯纳米片

powder, polycarboxylate functionalized, hydrophilic

别名:
石墨烯-水合物, GNPs
Empirical Formula (Hill Notation):
C
分子量:
12.01
NACRES:
NA.23

质量水平

100,

描述

Dispersibility: water (high stability in aqueous medium)

形式

powder

组成

Carbon, >70 wt. %
Oxygen, >10 wt. %

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一般描述

石墨烯纳米片是亲脂性很强的“纯碳”,易于聚集,很难与周围基质发生相互作用,因此难以分散在工艺和载体(如环氧树脂、热塑性塑料或水等溶剂)中。表面化学修饰为石墨纳米片赋予了新特性,从而可以与目标基质发生良好的相互作用。没有这些化学修饰,分散步骤就成了一项困难的任务,而且往往不能产生预期的效益。

应用

  • 石墨烯(纳米)复合材料
  • 导电涂层
  • 导电油墨
  • 能源储备
  • 电极材料

包装

25 g in glass bottle

象形图

Exclamation mark

警示用语:

Warning

危险声明

预防措施声明

靶器官

Respiratory system

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

闪点(F)

Not applicable

闪点(C)

Not applicable

分析证书

原产地证书 (CofO)

null
Solid-state functionalization of graphene with amino acids toward water-dispersity: implications on a composite with polyaniline and its characteristics as a supercapacitor electrode material
Erdenedelger et al.
Journal of Material Chemistry A, 2(31), 12526-12534 (2014)
Edge-carboxylated graphene nanoplatelets as oxygen-rich metal-free cathodes for organic dye-sensitized solar cells
Ju et al.
Energy & Environmental Science, 7(3), 1044-1052 (2014)
Chang-Hsiao Chen et al.
Nanomedicine : nanotechnology, biology, and medicine, 9(5), 600-604 (2013-01-26)
A graphene-based flexible microprobe developed by microelectromechanical system technology shows high resolution for the detection of electrophysiological signals from various bio-objects. The hydrophilization post-treatment using steam plasma was performed on the graphene surface to decrease the interfacial impedance between graphene...
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