Fabrication and microwave absorption performances of hollow-structure Fe3O4/PANI microspheres

作者：Hou, Jieqiong; Zhang, Long; Qiu, Hu; Duan, Wenjing; Wang, Xiaorui; Wan, Xiaona; Du, Xueyan^*

来源：Journal of Materials Science: Materials in Electronics , 2017, 28(13): 9279-9288.

DOI：10.1007/s10854-017-6664-5

• ELECTROMAGNETIC-WAVE ABSORPTION
• FACILE SYNTHESIS
• ABSORBING PROPERTIES
• POLYANILINE
• NANOCOMPOSITE
• COMPOSITES
• GRAPHENE
• ENHANCEMENT
• DESIGN
• RANGE

The hollow polyaniline (PANI) microspheres were prepared by controlling the mass ratio of the aniline to polystyrene (PS) via a template method, and Fe3O4/PANI composite microspheres have been fabricated by blending the hollow PANI microspheres with Fe3O4 magnetic particles. The effects of the mass ratio of aniline/PS on the microwave absorption performances of Fe3O4/PANI microspheres were investigated. It was found that the value of minimum reflection loss (RLmin) of the microspheres were respectively -14.06, -22.34 and -24.3 dB, corresponding to the mass ratio of aniline/PS of 1:1.5, 1:3, and 1:6. In addition, when the mass ratio of aniline/PS was 1:6, with the thickness of 1.5 and 2.0 mm, the bandwidth below -10dB were respectively 2.48 GHz (15.52-18 GHz) and 4.64 GHz (11.04-15.68 GHz), indicating that the Fe3O4/PANI microspheres could be a potential electromagnetic wave absorbing material in X (8-12 GHz) and Ku (12-18 GHz) bands.

• 出版日期2017-7
• 单位兰州理工大学