Multifunctional Superelastic Graphene Aerogels Derived from Ambient-Dried Graphene Oxide/Camphene Emulsions: Article No. 133128

Siyu Tian, Long Zhou, Shiwen Wu, Ruda Jian, Ashraf Keewan, Shuang Cui, Guoping Xiong

Research output: Contribution to journalArticlepeer-review

3 Scopus Citations

Abstract

Graphene oxide (GO) emulsions have been widely adopted to fabricate lightweight graphene aerogels (GAs). However, preparing high-performance GAs from conventional GO emulsions under ambient conditions seems rather challenging because of the structural collapse caused by strong capillary forces during drying. Here, we report a new, low-cost route to prepare high-performance, multifunctional GAs by the ambient drying of GO/camphene emulsions. Benefiting from the liquid-solid and solid-gas phase transitions of camphene, highly porous GO aerogels were obtained under ambient conditions. Moreover, the thermally annealed GO aerogels exhibited excellent mechanical properties, fire resistance, thermal insulation performance, and oil adsorption capability.
Original languageAmerican English
Number of pages4
JournalMaterials Letters
Volume328
DOIs
StatePublished - 2022

NREL Publication Number

  • NREL/JA-5500-84531

Keywords

  • ambient drying
  • camphene
  • graphene aerogels
  • graphene oxides
  • multifunctionality
  • oil-in-water emulsions

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