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One-step conversion of biomass to reduced graphene oxide at room temperature

Author

Listed:
  • Duan-Chao Wang

    (Zhejiang University
    ZJU-Hangzhou Global Scientific and Technological Innovation Center)

  • Jin-Ze Lv

    (Zhejiang University)

  • Shenjie Zhong

    (Xidian University)

  • Yuhang Wu

    (Hangzhou City University)

  • Yang Liu

    (Zhejiang University)

  • Sheng-Nan Lei

    (Zhejiang University
    ZJU-Hangzhou Global Scientific and Technological Innovation Center)

  • Hou-Yong Yu

    (Zhejiang Sci-Tech University)

  • Liangti Qu

    (Tsinghua University)

  • J. Fraser Stoddart

    (Zhejiang University
    ZJU-Hangzhou Global Scientific and Technological Innovation Center
    Northwestern University
    Northwestern University)

  • Qing-Hui Guo

    (Zhejiang University
    ZJU-Hangzhou Global Scientific and Technological Innovation Center
    Tsinghua University)

Abstract

Although graphene and graphene-related two-dimensional materials (GR2Ms) hold much potential for various applications, the current methods for their large-scale production rely heavily on graphite minerals and energy-intensive techniques. Here we report a one-step dehydration–condensation method for the economical and green preparation of GR2Ms on a gram scale from biomass at room temperature under atmospheric pressure using only concentrated sulfuric acid. This protocol has been applied successfully to various types of biomass and carbohydrates, delivering a 33% mass yield of GR2M product. The properties of the product are consistent with those of classical reduced graphene oxide (RGO), with the twist that it does not need to be produced from graphite minerals. The mild reaction conditions substantially reduce the energy input, while providing a facile platform for monitoring the kinetics of RGO nucleation and growth. Compared with conventional methods, a 98% reduction in energy consumption is achieved. Overall, the results of this research pave a new avenue to scalable and sustainable GR2M production.

Suggested Citation

  • Duan-Chao Wang & Jin-Ze Lv & Shenjie Zhong & Yuhang Wu & Yang Liu & Sheng-Nan Lei & Hou-Yong Yu & Liangti Qu & J. Fraser Stoddart & Qing-Hui Guo, 2024. "One-step conversion of biomass to reduced graphene oxide at room temperature," Nature Sustainability, Nature, vol. 7(12), pages 1699-1708, December.
    • Handle: RePEc:nat:natsus:v:7:y:2024:i:12:d:10.1038_s41893-024-01480-x
    DOI: 10.1038/s41893-024-01480-x
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