Fabrication Microstructure and Microwave Absorption of Fe3O4 Decorated with Hyperbranched Copper Phthalocyanines

Fan Bin Meng; Xiao Bo Liu

doi:10.4028/www.scientific.net/AMR.1081.43

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1081Fabrication Microstructure and Microwave...

Fabrication Microstructure and Microwave Absorption of Fe₃O₄ Decorated with Hyperbranched Copper Phthalocyanines

Abstract:

In this work, novel Fe₃O₄–hyperbranched copper phthalocyanines (Fe₃O₄–CuPc) nanostructures were fabricated via a simple solvent-thermal method, and the electromagnetic absorption property of the composites was investigated. The introduction of CuPc molecules were not only attached to the surface of Fe₃O₄ in form of beads, but embedded in the interior of Fe₃O₄. Importantly, the Fe₃O₄–CuPc composites exhibit excellent microwave absorbability, compared with that of Fe₃O₄. The composites with a coating layer thickness of 4.0 mm exhibit a maximum absorption of –30.3 dB at 10.2 GHz and the bandwidth below −10.0 dB reaches up to 10.6 GHz (from 7.4 to 18.0 GHz range). The excellent microwave absorption properties are ascribed to the improved impedance matching. The as–prepared novel Fe₃O₄–CuPc composites are shown to be lightweight, strong absorption, and broad frequency bandwidth microwave absorbers.

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Advanced Materials Research (Volume 1081)

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43-47

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https://doi.org/10.4028/www.scientific.net/AMR.1081.43

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Online since:

December 2014

Authors:

Fan Bin Meng*, Xiao Bo Liu

Keywords:

Electromagnetic Properties, Hierarchical Nanostructures, Hyperbranched Copper Phthalocyanines, Solvent-Thermal Process

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