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Ultra-fast synthesis of graphene by melt spinning
Affiliation:1. Department of Physics, Zhengzhou University, Zhengzhou, Henan 450052, China;2. Institute for Materials Chemistry and Engineering, Kyushu University, Fukuoka 816-8580, Japan;3. School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China;4. Center for Nano and Micro Mechanics, Tsinghua University, Beijing 100084, China;1. Department of Computer Science, University of Maryland, College Park, MD 20742, United States;2. Department of Kinesiology, University of Maryland, College Park, MD 20742, United States;3. Neuroscience and Cognitive Science Program, University of Maryland, College Park, MD 20742, United States;4. Maryland Robotics Center, University of Maryland, College Park, MD 20742, United States;5. University of Maryland Institute for Advanced Computer Studies, University of Maryland, College Park, MD 20742, United States;1. Department of Crystalline Materials Science, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan;2. The Japan Society for the Promotion of Science, Research Fellow, 5-3-1 Kojimachi, Chiyoda-ku, Tokyo 102-0083, Japan;3. Institute of Materials and Systems for Sustainability, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan;1. College of Chemical Engineering and Pharmacy, Jingchu University of Technology, Jingmen 448000, China;2. Department of Sciences, John Jay College and The Graduate Center, The City University of New York, New York, NY 10019, USA;3. Department of Chemistry, University of California Davis, Davis, CA 95616, USA;1. Department of Analytical and Inorganic Chemistry, Faculty of Chemistry, University of Concepcion, Chile;2. Department of Inorganic Chemistry, University of Madras, Guindy Campus, Chennai 600025, Tamil Nadu, India;3. CSIR Central Electrochemical Research Institute-Chennai Unit, CSIR-Madras Complex, Taramani, Chennai 600113, India;4. Department of Materials Engineering, Faculty of Engineering, University of Concepcion, Chile;5. Department of Nuclear Physics, University of Madras, Guindy Campus, Chennai 600025, Tamil Nadu, India
Abstract:Large-scale few-layer graphene (FLG) films were prepared by an industrial single-roller melt spinning technique based on molten alloy quenched carbon self-segregation using nickel and carbon as precursors. A formation mechanism of FLG based on rapid diffusion and non-equilibrium segregation of carbon is discussed. This ultra-fast thin film preparation technique can be extended and used to produce ultrathin sheets of two-dimensional materials other than graphene.
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