Formation of tunable three-dimensional networks of graphene hydrogel via covalent bond

Songzhao Tong, Tianju Fan, Wenjin Zeng, Dianbo Zhang, Chi Yue Kao, Yidong Liu, Yong Min, Arthur J. Epstein

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Three-dimensional (3D) network of graphene hydrogel (GDH) was obtained by organic synthesis, 1,8-diaminooctane (OMDA) used as the linker. Structure-tunable 3D graphene network, i.e. close-cell structure (GDH-1) and open-pore structure (GDH-2) were achieved via different connection paths between covalent bonds which resulting high specific capacitance and good rate capability.

Original languageEnglish
Pages (from-to)27-32
Number of pages6
JournalSynthetic Metals
StatePublished - Oct 2014
Externally publishedYes

Bibliographical note

Funding Information:
The authors would like to acknowledge the financial supports from Nanjing University of Post and Telecommunication basic research program ( NY 212002 ), the Ministry of Education of China Innovative Research Team in University ( IRT1148 ) and the Key Project of National High Technology Research of China ( 2011AA050526 ).


  • 1,8-Diaminooctane
  • Close-cell and open-pore
  • Covalent bonds
  • Graphene hydrogel
  • Three-dimensional graphene


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