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Reduced graphene oxide by chemical graphitization

Author

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  • In Kyu Moon

    (National Creative Research Initiative, Center for Smart Molecular Memory, Sungkyunkwan University)

  • Junghyun Lee

    (National Creative Research Initiative, Center for Smart Molecular Memory, Sungkyunkwan University)

  • Rodney S. Ruoff

    (University of Texas at Austin, One University Station C2200)

  • Hyoyoung Lee

    (National Creative Research Initiative, Center for Smart Molecular Memory, Sungkyunkwan University)

Abstract

Reduced graphene oxides (RG-Os) have attracted considerable interest, given their potential applications in electronic and optoelectronic devices and circuits. However, very little is known regarding the chemically induced reduction method of graphene oxide (G-O) in both solution and gas phases, with the exception of the hydrazine-reducing agent, even though it is essential to use the vapour phase for the patterning of hydrophilic G-Os on prepatterned substrates and in situ reduction to hydrophobic RG-Os. In this paper, we report a novel reducing agent system (hydriodic acid with acetic acid (HI–AcOH)) that allows for an efficient, one-pot reduction of a solution-phased RG-O powder and vapour-phased RG-O (VRG-O) paper and thin film. The reducing agent system provided highly qualified RG-Os by mass production, resulting in highly conducting RG-OHI−AcOH. Moreover, VRG-OHI−AcOH paper and thin films were prepared at low temperatures (40 °C) and were found to be applicable to flexible devices. This one-pot method is expected to advance research on highly conducting graphene platelets.

Suggested Citation

  • In Kyu Moon & Junghyun Lee & Rodney S. Ruoff & Hyoyoung Lee, 2010. "Reduced graphene oxide by chemical graphitization," Nature Communications, Nature, vol. 1(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:1:y:2010:i:1:d:10.1038_ncomms1067
    DOI: 10.1038/ncomms1067
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    Cited by:

    1. Pazani, Farhang & Salehi Maleh, Mohammad & Shariatifar, Mehrdad & Jalaly, Maisam & Sadrzadeh, Mohtada & Rezakazemi, Mashallah, 2022. "Engineered graphene-based mixed matrix membranes to boost CO2 separation performance: Latest developments and future prospects," Renewable and Sustainable Energy Reviews, Elsevier, vol. 160(C).
    2. Yang, WeiWei & Liu, JianGuo & Zhang, Xiang & Chen, Liang & Zhou, Yong & Zou, ZhiGang, 2017. "Ultrathin LiFePO4 nanosheets self-assembled with reduced graphene oxide applied in high rate lithium ion batteries for energy storage," Applied Energy, Elsevier, vol. 195(C), pages 1079-1085.
    3. Amara Nasir & Sadia Khalid & Tariq Yasin & Anca Mazare, 2022. "A Review on the Progress and Future of TiO 2 /Graphene Photocatalysts," Energies, MDPI, vol. 15(17), pages 1-33, August.
    4. S. Srinivasa Rao & Ikkurthi Kanaka Durga & Bandari Naresh & Bak Jin-Soo & T.N.V. Krishna & Cho In-Ho & Jin-Woo Ahn & Hee-Je Kim, 2018. "One-Pot Hydrothermal Synthesis of Novel Cu-MnS with PVP Cabbage-Like Nanostructures for High-Performance Supercapacitors," Energies, MDPI, vol. 11(6), pages 1-14, June.

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