Preparation and characterization of γ-MnO2/CNTs nanocomposite |
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| Affiliation: | 1. Department of Physics, Wuhan University, Wuhan 430072, PR China;2. Center for Electron Microscopy, Wuhan University, Wuhan 430072, PR China;3. Center for Nano-Science and Technology, Wuhan University, Wuhan 430072, PR China;4. Department of Physics, Three Gorges University, Yichang 443000, PR China;5. Department of Physics, Central China Normal University, Wuhan 430072, PR China;1. School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan 450001, China;2. Henan Key Laboratory of Aeronautical Materials and Application Technology, School of Materials Science and Engineering, Zhengzhou University of Aeronautics, Zhengzhou, Henan 450046, China;3. Department of Mechanical and Industrial Engineering, University of Toronto 5 King''s College Road, Toronto, Ontario, Canada M5S 3G8;4. Sinosteel Luoyang Institute of Refractories Research Co., Ltd., Luoyang, Henan 471039, China;1. School of Materials Science and Engineering, Zhengzhou University, Henan 450001, PR China;2. Henan Vocational College of Information and Statistics, Zhengzhou 450008, China;3. Henan Key Laboratory of Aeronautical Materials and Application Technology, Zhengzhou University of Aeronautics, Zhengzhou, Henan 450046, China;1. Department of Physics, Faculty of Science, Islamic Azad University, Bonab Branch, Bonab, Iran;2. Nuclear Science and Technology Research Institute (NSTRI), P.O. Box 14395-834, Tehran, Iran;3. Center of Excellence in Electrochemistry, Faculty of Chemistry, University of Tehran, Tehran, Iran;4. Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran;1. Energy Centre, Council for Scientific & Industrial Research (CSIR), Pretoria, 0001, South Africa;2. Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Johannesburg, 2050, South Africa;3. Department of Chemistry, Condensed Matter Research Laboratory (CMRL), Bannari Amman Institute of Technology, Sathyamangalam, 638401, India |
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| Abstract: | A layer of manganese dioxides (γ-MnO2) was adsorbed upon carbon nanotubes (CNTs) surface by using a chemical deposit process. The morphologies of the MnO2/CNTs composite were characterized using transmission electron microscopy (TEM), energy-dispersive X-ray spectrometry (EDS), X-ray diffraction (XRD) and laser Raman spectroscopy (RS). It is found that the adsorbed layer belongs to the γ-MnO2 nanoparticles in the size of about 10 nm, and coated homogeneously around the CNTs. It is expected that this γ-MnO2/CNTs composite will be applied to make supercapacitors. |
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