Preparation of high concentration graphene dispersion with low boiling point solvents

  • Xiao You
  • Qian Feng
  • Jinshan YangEmail author
  • Kai Huang
  • Jianbao Hu
  • Shaoming DongEmail author
Research Paper


Exploring the graphene material is premised on the graphene sheets being single-layer graphene (SG) or bi-layer graphene (BG) state, and graphene suspension keeps stably disperse are critical. Since graphene has a highly conjugated system, it is easy to conduct strong π-π interaction with conjugated structure. In this paper, by dispersing graphene powder at low boiling point solvent water or ethanol, ensuring the excellent properties of graphene are not affected by the solvent, which simultaneously solves the difficulty of removing organic solvents. On the basis the concentration of graphene suspension can be greatly improved and no damage to the graphene sheets in the presence of dispersant. This method allows us to prepare a large amount of excellent graphene dispersion, making it possible to obtain graphene-based materials through the low-cost technology, as well as opening up the opportunity for exploiting the application of this nanocarbon material with unique structure.

Graphical abstract


Graphene Dispersion Low boiling point solvents Polyvinyl pyrrolidone High electrical conductivity Electronics applications 


Funding information

This project was sponsored by National Natural Science Foundation of China (No. 51772310), CAS Pioneer Hundred Talents Program, Shanghai Pujiang Program (No. 17PJ1410100), Young Elite Scientist Sponsorship Program by CAST (2017QNRC001), and Shanghai Institute of Ceramics Innovative Funding.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.State Key Laboratory of High Performance Ceramics & Superfine Microstructure, Shanghai Institute of CeramicsChinese Academy of SciencesShanghaiChina
  2. 2.Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of CeramicsChinese Academy of SciencesShanghaiChina
  3. 3.University of Chinese Academy of SciencesBeijingChina
  4. 4.Analysis and Testing CenterDonghua UniversityShanghaiChina

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