期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 2, 期 23, 页码 8644-8651出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta00485j
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资金
- National Basic Research Program of China [2010CB934700]
- National Natural Science Foundation of China [51102223, 50725208, 51132002]
The enhanced dielectric properties of ZnO/PVDF nanocomposites resulting from the synthesis of uniform ZnO nanorods were studied. These results indicate that the dielectric constant of the composites is clearly improved (196 at 10(2) Hz), with a lower percolation threshold (volume 0.0548). Percolation theory was used to explain the enhanced dielectric properties. The stability of the dielectric constants of the percolation composites was also studied in the temperature range 20-140 degrees C. The enhanced wave absorption properties of the composites were investigated and, with a filler content of 10 wt%, the reflection loss appears as two peaks that can reach -15.90 dB at 6.60 GHz and -25.44 dB at 16.48 GHz. The mechanism for the increase in absorption properties is discussed.
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