| Title | Electromagnetic Wave Absorption Performance on Fe3O4 Polycrystalline Synthesized by the Synergy Reduction of Ethylene Glycol and Diethylene Glycol |
| Authors | Ji, Jindou Huang, Yue Yin, Jinhua Zhao, Xiuchen Cheng, Xingwang He, Jun Wang, Jingyun Li, Xiang Liu, Jiping |
| Affiliation | Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China. Univ Sci & Technol Beijing, Sch Math & Phys, Beijing 100083, Peoples R China. Cent Iron & Steel Res Inst, Div Funct Mat, Beijing 100081, Peoples R China. Peking Univ, Key Lab Phys & Chem Nanodevices, Beijing 100871, Peoples R China. Peking Univ, Dept Elect, Beijing 100871, Peoples R China. |
| Keywords | ENHANCED MICROWAVE-ABSORPTION FACILE PREPARATION TUNABLE SIZE NANOPARTICLES CARBON COMPOSITES MAGNETITE IRON PARTICLES GRAPHENE |
| Issue Date | 2018 |
| Publisher | JOURNAL OF PHYSICAL CHEMISTRY C |
| Citation | JOURNAL OF PHYSICAL CHEMISTRY C. 2018, 122(6), 3628-3637. |
| Abstract | Fe3O4 nanoparticles were synthesized by hydrothermal method with the synergy reduction of ethylene glycol (MEG) and diethylene glycol (DEG). The purity, grain size, magnetism, and the microwave absorption performance of the samples can be controlled by the concentration of DEG in the precursor solution. Under the optimized condition of synthesis, the product is a highly crystallized cubic Fe3O4 and the crystallite size of Fe3O4 is about 44-60 nm with the saturation magnetization of about 96 emu/g. The Fe3O4 paraffin composites exhibit excellent microwave absorption properties at the frequency range of 1-18 GHz, which are attributed to the electron transition resonance, natural resonance, and polarization of Fe3O4. The minimum reflection loss of Fe3O4 synthesized under the MEG and DEG content of 3.58 and 2.10 mol/L, respectively, can reach 42 dB at a thickness of 2.1 mm. And the effective absorption bandwidth of the samples can reach 3.9 GHz (7.3-11.2 GHz) at a thickness of 2.5 mm. The result demonstrates that Fe3O4 nanoparticles synthesized with DEG as auxiliary reducing agent and surfactant have a good microwave absorption performance. |
| URI | http://hdl.handle.net/20.500.11897/506754 |
| ISSN | 1932-7447 |
| DOI | 10.1021/acs.jpcc.7b11533 |
| Indexed | SCI(E) |
| Appears in Collections: | 纳米器件物理与化学教育部重点实验室 信息科学技术学院 |
