Preparation of Polyaniline@MoS2@Fe3O4 Nanowires with a Wide Band and Small Thickness toward Enhancement in Microwave Absorption
| Autor: | Hongxia Yan, Meiyu Yang, Weidong Zhang, Yuan Zheng, Hongjing Wu, Shuhua Qi, Hua Qiu, Zhao Li, Xue Zhang, Chao Guo |
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| Rok vydání: | 2018 |
| Předmět: |
Materials science
business.industry Nanowire 02 engineering and technology engineering.material 010402 general chemistry 021001 nanoscience & nanotechnology Microstructure 01 natural sciences 0104 chemical sciences chemistry.chemical_compound chemistry Coating Polyaniline engineering Optoelectronics Magnetic nanoparticles General Materials Science In situ polymerization 0210 nano-technology business Absorption (electromagnetic radiation) Microwave |
| Zdroj: | ACS Applied Nano Materials. 1:5865-5875 |
| ISSN: | 2574-0970 |
| Popis: | It is well-known that the absorbing property of materials is related to the microstructure and can be enhanced by magnetic nanoparticles coating. However, the mechanism is still unclear that the magnetic coating structure plays an important role in the microwave absorption behavior. Hence, a novel kind of absorber with efficient performance and relatively clear enhancement mechanism is very necessary. To solve these problems, polyaniline@MoS2 nanowires (PANI@MoS2 NWS) and a series of polyaniline@MoS2@Fe3O4 nanowires (PANI@MoS2@Fe3O4 NWS) with hierarchical structure were successfully prepared by in situ polymerization and versatile hydrothermal reactions and investigated in microwave absorption. The results reveal that compared with the articles related to MoS2-based composites, the as-prepared PANI@MoS2@Fe3O4 NWS (e2) displays the widest absorption frequency range (6.48 GHz) and strong absorption (−49.7 dB at a thickness of 1.3 mm), and the excellent MAP can be interpreted by optimizing impedance matching... |
| Databáze: | OpenAIRE |
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