Compression and reduction of graphene oxide aerogels into flexible, porous and functional graphene films

  • Junpeng Tian
  • Jiping YangEmail author
  • Cheng YangEmail author
  • Sijia Hao
Composites & nanocomposites


Graphene (GR) films have been demonstrated as great promising materials in many fields, including battery electrodes, supercapacitors, electronics and functional composites. However, the applications of GR films are limited either by their brittleness, small size, or by their unsatisfactory electrical conductivity. Here, we report an efficient methodology for fabricating large size, flexible and electrical conductive GR films, which mainly involves compression of the graphene oxide (GO) aerogels into porous GO films as well as reduction of GO films into porous GR films via chemical or thermal route. The densities of GR films can be adjusted by controlling the concentration of GO dispersion precursor. The porous GR films exhibit high electrical conductivity up to 5.5 × 103 S m−1 and favourable electromagnetic interference (EMI) shielding effectiveness up to 50 dB in a wide frequency range. The high porosity, excellent electrical conductivity and remarkable EMI shielding effectiveness enable the GR films to be greatly useful in lightweight conductive films, electromagnetic shielding materials and flexible batteries and supercapacitors.



We thank the support from the National Natural Science Foundation of China (No. 51773006), National Key Research and Development of China (No. 2016YFB0101606) and Innovation Foundation of Aero Engine Corporation of China (No. JK65180309). Sijia Hao is grateful for the support from the China Scholarship Council.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Key Laboratory of Aerospace Advanced Materials and Performance, Ministry of Education, School of Materials Science and EngineeringBeihang UniversityBeijingPeople’s Republic of China
  2. 2.Research Center of Graphene and ApplicationsAECC Beijing Institute of Aeronautical MaterialsBeijingPeople’s Republic of China
  3. 3.Beijing Engineering Research Center of Graphene and ApplicationsBeijingPeople’s Republic of China

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