Polyaniline/graphite nanosheet, polyaniline/Ag/graphite nanosheet, polyaniline/Ni/graphite nanosheet composites and their electromagnetic properties

The polyaniline/graphite nanosheets (PANI/NanoG), polyaniline/silver plating graphite nanosheets (PANI/Ag-NanoG) and polyaniline/nickel plating graphite nanosheets (PANI/Ni-NanoG) composites have been synthesized. The three kinds of polyaniline/graphite nanosheets composites were characterized by X-ray diffraction techniques (XRD), Fourier transform infrared (FT-IR) and scanning electron microscopy (SEM). Results showed that the kinds of composites had synthesized successfully. The resulting PANI/graphite composites exhibited both electrical and magnetic loss at the microwave frequency of 8.2–12.8 GHz. The electrical loss, was 3.52 at 10.5 GHz, the magnetic loss, was 2.52 at 9.5 GHz and the total loss was 5.58 at 10.5 GHz for PANI/NanoG composites; the electrical loss was 5.4 at 10.6 GHz, the magnetic loss was 1.34 at 9.6 GHz and the total loss was 6.9 at 11.0 GHz for PANI/Ag-NanoG composites; the electrical loss was 4.3 at 10.7 GHz, the magnetic loss was 4.4 at 9.33 GHz and the total loss was 7.2 at 8.2–12.4 GHz for PANI/Ni-NanoG composites.

► The silver and nickel plated graphite nanosheets prepared by electroless plating.
► The PANI/NanoG, Ag-NanoG and Ni-NanoG composites have been synthesized.
► The highest electrical loss of composites reached 5.4 at 10.6 GHz.
► The highest magnetic loss was 4.4 at 9.33 GHz.