Fabrication of urchin-like ZnO-MXene nanocomposites for high-performance electromagnetic absorption |
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| Affiliation: | 1. School of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China;2. School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China;3. School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China;1. South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, Guangzhou, China;2. College of Materials and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China;3. School of Materials Science and Engineering, Nanyang Technological University, Singapore;4. College of New Materials and New Energies, Shenzhen Technology University, Guangdong, China;1. South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, Guangzhou 510640, China;2. College of Materials and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, Jiangsu, China;3. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore;4. College of New Materials and New Energies, Shenzhen Technology University, Guangdong, China |
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| Abstract: | The recently developed two-dimensional transition metal carbides (such as MXene) have shown amazing electrical properties. MXene and derivative two dimensional (2D) materials are widely used in electron devices, and have large potential application in electromagnetic (EM) absorber. Herein we describe a mild method to prepare an urchin-like ZnO-MXene Ti3C2Tx nanocomposite through a coprecipitation process. The nanocomposite delivers a substantially enhanced EM absorbing performance with an optimum reflection loss of ?26.30 dB, which is significantly better than that of primitive Ti3C2Tx (?6.70 dB), owing to the construction of unique semiconductive networks and larger interfaces. The EM absorption performance can be effectively controlled in the range of 14.0–18.0 bands by changing the growth time of ZnO. Considering the large amount of members in MXene, this study demonstrates a new strategy applicable in maximizing their applications in EM absorbing materials. |
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| Keywords: | MXene ZnO nanorods Nanocomposite Electromagnetic absorber |
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