Cited by 86Graphene research and applicationsAdvanced Sensor and Energy Harvesting MaterialsNanomaterials and Printing Technologies

Trash to treasure: converting plastic waste into a useful graphene foil

Cui, Linfan, Wang, Xiaopeng, Chen, Nan, Ji, Bingxue, Qu, Liangti·2017·Nanoscale

Abstract

Recycling of plastic waste has commercial value and practical significance for both environmental safety and recovery of resources. To realize trash recycling, a cheap, simple, and safe solid-state chemical vapor deposition method has been developed to convert a series of daily plastic wastes to a high quality graphene foil (GF) at a large scale. The GF possesses a high electrical conductivity of 3824 S·cm−1, which is much higher than that of the conventional free-standing graphene film treated at an extremely high temperature of 2200–2500 °C. Further, the GF can act as various flexible elements such as a free-standing electrode in a foldable lithium-ion battery, which shows stable electrochemical performances. On the other hand, it presents a fast and ultra low-voltage responsivity to be used as a flexible electrothermal heater, which generates a temperature of up to 322.6 °C at a low input voltage of only 5 V. The convenient trash-to-treasure conversion of plastics to GF provides a unique pathway for waste recycling and opens new application possibilities of graphene in various fields.

Integrity signals

Registry

Crossref · 10.1039/c7nr03580b

Cites

37 of 37 references verified0 citation errors · 0 not checkable

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  • The Cui team developed a solid-state CVD process to convert everyday plastic waste into graphene foil with high electrical conductivity (3,824 S/cm) and good flexibility, demonstrating potential in flexible electronics.

    “The Cui team developed a solid-state CVD process to convert everyday plastic waste into graphene foil (GF), which exhibited high electrical conductivity (3,824 S/cm) and good flexibility, demonstrating potential in flexible electronics [57] .”
  • Choosing plastics with high stability during carbonization results in slower thermal decomposition, slower carbon supply, more time for generated carbon to react with metal catalysts, thereby increasing carbon production.

    “Choosing plastics with high stability during the carbonization process will result in slower thermal decomposition, slower carbon supply, and more time for the generated carbon to react with metal catalysts, thereby increasing carbon production (Cui et al. 2017).”

    From Conversion of waste plastics into value-added carbon materials (2023) · cites this paper as Cui et al. 2017

  • Chemical vapor deposition and flash joule heating are effective methods for converting waste plastics into graphene.

    “Chemical vapor deposition and flash joule heating are effective methods for converting waste plastics into graphene (Algozeeb et al. 2022;Cui et al. 2017).”

    From Conversion of waste plastics into value-added carbon materials (2023) · cites this paper as Cui et al. 2017

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Authors
Cui, L., Wang, X., Chen, N., Ji, B., & Qu, L.
Affiliations
Beijing Institute of Technology (CN)
Corresponding author
  • Chen, Nan
  • Qu, Liangti
Venue
Nanoscale
Published
2017
Volume
9
Issue
26
Pages
9089-9094
ISSN
  • 2040-3364 (ISSN-L)
  • 2040-3372
OpenAlex
W2624466916
Cited by
86
References
37
Citations by year
2026: 5 · 2025: 18 · 2024: 11 · 2023: 16 · 2022: 16 · 2021: 7 · 2020: 5 · 2019: 3 · 2018: 5
FWCI
1.50
Type
journal article
Language
en
Open access
closed
Locations
  • Nanoscale (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (21325415, 21671020, 51673026)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Graphene research and applications
  • Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Nanomaterials and Printing Technologies
Keywords
plastic recycling, electrical conductivity, flexible electrodes, low-voltage heating, waste-to-resource conversion

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