Novel electromagnetic functionalized carbon nanofibers (CNFs) have been synthesized by coating with Fe3O4 magnetite nanoparticles and conducting polymers polyaniline (PANI) on CNFs through a layer by layer assembly. The Fe3O4@CNFs were first prepared by coating nano-Fe3O4 particles on CNFs via co-precipitation method; Then the PANI was coated on Fe3O4@CNFs using an in situ polymerization process to obtain PANI@Fe3O4@CNFs nanoparticles. The prepared PANI@Fe3O4@CNFs nanoparticles were dispersed in the epoxy matrix to fabricate microwave absorbing nanocomposites. Compared with the Fe3O4@CNFs/epoxy nanocomposites, the PANI@Fe3O4@CNFs/epoxy nanocomposites exhibit better microwave absorbing properties. The composite containing 15 wt% of PANI@Fe3O4@CNFs with the thickness of 2mm showed a minimum reflection loss (RL) value of-23.7 dB with an effective absorption bandwidth which is about 3.7 GHz (11.9-15.6 GHz) in the frequency range of 1-18 GHz, indicating that it is an attractive candidate for efficient microwave absorber. Apotential absorption mechanism was proposed for enhancement of the impedance-matching condition and electromagnetic wave-attenuation characteristic of materials. Specifically, the impedance-matching condition was improved by the combination of conductive polymers and magnetic nanoparticles with CNFs. The electromagnetic wave attenuation characteristic was enhanced by multiple reflections, due to the increased propagation paths.
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Bao, Chenlu
Song, Lei
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Song, Lei
Xing, Weiyi
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Xing, Weiyi
Yuan, Bihe
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Yuan, Bihe
Wilkie, Charles A.
论文数: 0引用数: 0
h-index: 0
机构:
Marquette Univ, Dept Chem, Milwaukee, WI 53201 USA
Marquette Univ, Fire Retardant Res Facil, Milwaukee, WI 53201 USAUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Wilkie, Charles A.
Huang, Jianliu
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Huang, Jianliu
Guo, Yuqiang
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Guo, Yuqiang
Hu, Yuan
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
机构:
Univ Teknol & Petronas, Dept Fundamental & Appl Sci, Bandar Seri Iskandar, MalaysiaUniv Teknol & Petronas, Dept Fundamental & Appl Sci, Bandar Seri Iskandar, Malaysia
Shaharun, Maizatul S.
Subbarao, Duvvuri
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol & Petronas, Dept Chem Engn, Bandar Seri Iskandar, MalaysiaUniv Teknol & Petronas, Dept Fundamental & Appl Sci, Bandar Seri Iskandar, Malaysia
Subbarao, Duvvuri
Naeem, A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Peshawar, Natl Ctr Excellence Phys Chem, Peshawar, PakistanUniv Teknol & Petronas, Dept Fundamental & Appl Sci, Bandar Seri Iskandar, Malaysia
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Bao, Chenlu
Song, Lei
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Song, Lei
Xing, Weiyi
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Xing, Weiyi
Yuan, Bihe
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Yuan, Bihe
Wilkie, Charles A.
论文数: 0引用数: 0
h-index: 0
机构:
Marquette Univ, Dept Chem, Milwaukee, WI 53201 USA
Marquette Univ, Fire Retardant Res Facil, Milwaukee, WI 53201 USAUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Wilkie, Charles A.
Huang, Jianliu
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Huang, Jianliu
Guo, Yuqiang
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
Guo, Yuqiang
Hu, Yuan
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R ChinaUniv Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China
机构:
Univ Teknol & Petronas, Dept Fundamental & Appl Sci, Bandar Seri Iskandar, MalaysiaUniv Teknol & Petronas, Dept Fundamental & Appl Sci, Bandar Seri Iskandar, Malaysia
Shaharun, Maizatul S.
Subbarao, Duvvuri
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol & Petronas, Dept Chem Engn, Bandar Seri Iskandar, MalaysiaUniv Teknol & Petronas, Dept Fundamental & Appl Sci, Bandar Seri Iskandar, Malaysia
Subbarao, Duvvuri
Naeem, A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Peshawar, Natl Ctr Excellence Phys Chem, Peshawar, PakistanUniv Teknol & Petronas, Dept Fundamental & Appl Sci, Bandar Seri Iskandar, Malaysia