Hollow Few-Layer Graphene-Based Structures from Parafilm Waste for Flexible Transparent Supercapacitors and Oil Spill Cleanup

Duc Dung Nguyen, Ping Yen Hsieh, Meng Ting Tsai, Chi Young Lee, Nyan Hwa Tai*, Bao Dong To, Duc Tu Vu, Chia Chen Hsu

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

32 Scopus citations

Abstract

We report a versatile strategy to exploit parafilm waste as a carbon precursor for fabrication of freestanding, hollow few-layer graphene fiber mesh (HFGM) structures without use of any gaseous carriers/promoters via an annealing route. The freestanding HFGMs possess good mechanical flexibility, tailorable transparency, and high electrical conductivity, consequently qualifying them as promising electrochemical electrodes. Because of the hollow spaces, electrolyte ions can easily access into and contact with interior surfaces of the graphene fibers, accordingly increasing electrode/electrolyte interfacial area. As expected, solid-state supercapacitors based on the HFGMs exhibit a considerable enhancement in specific capacitance (20-30 fold) as compared to those employing chemical vapor deposition compact graphene films. Moreover, the parafilm waste is found to be beneficial for one-step fabrication of nanocarbon/few-layer graphene composite meshes with superior electrochemical performance, outstanding superhydrophobic property, good self-cleaning ability, and great promise for oil spill cleanup.

Original languageEnglish
Pages (from-to)40645-40654
Number of pages10
JournalACS Applied Materials and Interfaces
Volume9
Issue number46
DOIs
StatePublished - 22 11 2017
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2017 American Chemical Society.

Keywords

  • flexible transparent supercapacitors
  • hollow graphene fibers
  • oil spill
  • parafilm
  • plastic wastes

Fingerprint

Dive into the research topics of 'Hollow Few-Layer Graphene-Based Structures from Parafilm Waste for Flexible Transparent Supercapacitors and Oil Spill Cleanup'. Together they form a unique fingerprint.

Cite this