Highly controllable and green reduction of graphene oxide to flexible graphene film with high strength |
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| Affiliation: | 1. Carbon Research Laboratory, Liaoning Key Lab for Energy Materials and Chemical Engineering, State Key Lab of Fine Chemicals, Dalian University of Technology, Dalian 116024, China;2. Department of Materials Science and Engineering, and A.J. Drexel Nanotechnology Institute, Drexel University, Philadelphia, PA 19104, USA;1. Department of Mechanical Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung 807, Taiwan;2. Mold & Precision Machining Technology Section, Micro/Meso Mechanical Manufacturing R&D Department, Metal Industries Research & Development Centre (MIRDC), Taiwan;1. College of Science, Northeast Forestry University, Harbin 150080, China;2. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People''s Republic of China, Heilongjiang University, Harbin 150080, China;1. Graduate School of Engineering, Osaka Prefecture University, Osaka 599-8531, Japan;2. State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, PR China;3. College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, PR China |
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| Abstract: | Graphene film with high strength was fabricated by the assembly of graphene sheets derived from graphene oxide (GO) in an effective and environmentally friendly approach. Highly controllable reduction of GO to chemical converted graphene (CCG) was achieved with sodium citrate as a facile reductant, in which the reduction process was monitored by XRD analysis and UV–vis absorption spectra. Self-assembly of the as-made CCG sheets results in a flexible CCG film. This method may open an avenue to the easy and scalable preparation of graphene film with high strength which has promising potentials in many fields where strong, flexible and electrically conductive films are highly demanded. |
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| Keywords: | A Nanostructures B Chemical synthesis C X-ray diffraction D Mechanical properties |
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