Facile synthesis and microwave absorption properties of yolk-shell ZnO-Ni-C/RGO composite materials
Facile synthesis and microwave absorption properties of yolk-shell ZnO-Ni-C/RGO composite materials
复制标题
蛋黄壳ZnO-NiC/RGO复合材料的简易合成及其微波吸收性能
DOI:
10.1016/j.cej.2017.09.139
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发表时间:
2018-02
影响因子:
15.1
通讯作者:
Peng D.L.
中科院分区:
文献类型:
--
作者:
Liu X.;Wang L.S.;Ma Y.T.;Qiu Y.L.;Xie Q.S.;Chen Y.;Peng D.L.
Yolk-shell ZnO-Ni-C wrapped with reduced graphene oxide (RGO) hybrid structures were successfully fabricated by annealing treatment of amorphous yolk-shell zinc-nickel microspheres precursor. The special structures possessing core@void@shell configuration have excellent electromagnetic (EM) wave absorption properties, owing to void space could adjust impedance mismatching. Meantime, the RGO-wrapped yolk-shell ZnO-Ni-C microspheres increased the content of defects and generated more effective interfacial polarization response to EM wave radiation. As a result, the minimum value of reflection loss (RL) of ZnO-Ni-C/RGO is −59.3 dB at 15.2 GHz with a thickness of 2.05 mm and the effective attenuation bandwidth is in a broad range from 12.4 to 18 GHz.
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