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Low Temperature Casting of Graphene with High Compressive Strength

Authors

  • Hengchang Bi,

    1. SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, P. R. China, Tel: 86-025-83792632-8813, Fax: 86-025-83792939
    Current affiliation:
    1. These authors contributed equally to this work.
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  • Kuibo Yin,

    1. SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, P. R. China, Tel: 86-025-83792632-8813, Fax: 86-025-83792939
    Current affiliation:
    1. These authors contributed equally to this work.
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  • Xiao Xie,

    1. SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, P. R. China, Tel: 86-025-83792632-8813, Fax: 86-025-83792939
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  • Yilong Zhou,

    1. SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, P. R. China, Tel: 86-025-83792632-8813, Fax: 86-025-83792939
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  • Neng Wan,

    1. SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, P. R. China, Tel: 86-025-83792632-8813, Fax: 86-025-83792939
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  • Feng Xu,

    1. SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, P. R. China, Tel: 86-025-83792632-8813, Fax: 86-025-83792939
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  • Florian Banhart,

    1. Institut de Physique et Chimie des Matériaux, UMR 7504 CNRS, Université de Strasbourg, 23 rue du Loess, 67034 Strasbourg, France
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  • Litao Sun,

    Corresponding author
    1. SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, P. R. China, Tel: 86-025-83792632-8813, Fax: 86-025-83792939
    • SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of Ministry of Education, Southeast University, Nanjing 210096, P. R. China, Tel: 86-025-83792632-8813, Fax: 86-025-83792939
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  • Rodney S. Ruoff

    Corresponding author
    1. Department of Mechanical Engineering and Materials and Science Program, The University of Texas at Austin, One University Station C2200, Austin, TX 78712, USA
    • Department of Mechanical Engineering and Materials and Science Program, The University of Texas at Austin, One University Station C2200, Austin, TX 78712, USA.
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Abstract

original image

This paper reports a pH-mediated hydrothermal reduction method that combines with moulding methods, allowing controllable fabrication of high density (up to 1.6 g cm−3) isotropic graphene macrostructures with various shapes. This “graphene” (CG) has a compressive strength of 361 MPa (6 times higher than conventional graphite products) and electrical conductivity of 7.6 S cm−1. The processing steps are scalable.

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