Abstract
Conjugated amino-phthalocyanine copper containing carboxyl groups/magnetite (NH2-CuPc@Fe3O4) has been fabricated from FeCl3·6H2O and NH2-CuPc via a simple solvothermal method and its electromagnetic properties investigated. Scanning electron microscopy and transmission electron microscopy revealed that the NH2-CuPc@Fe3O4 was a waxberry-like nanomaterial with NH2-CuPc molecules effectively embedded in the interior of Fe3O4 particles in the form of beads. Introduction of NH2-CuPc effectively improved the complementarity between the dielectric and magnetic losses of the system, resulting in excellent electromagnetic performance. The minimum reflection loss of the as-prepared composite reached −33.4 dB at 7.0 GHz for coating layer thickness of 4.0 mm and bandwidth below −10.0 dB (90% absorption) of up to 3.8 GHz. These results indicate that introduction of NH2-CuPc results in a composite with potential for use as an electromagnetic microwave absorption material.
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Yan, L., Pu, Z., Xu, M. et al. Fabrication and Electromagnetic Properties of Conjugated NH2-CuPc@Fe3O4 . J. Electron. Mater. 46, 5608–5618 (2017). https://doi.org/10.1007/s11664-017-5631-5
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DOI: https://doi.org/10.1007/s11664-017-5631-5