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Synthesis of hollow Cu1.8S nano-cubes for electromagnetic interference shielding

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Abstract

The applications of inorganic semiconductor nano-structures as electromagnetic interference (EMI) shielding materials have been scarcely researched. Herein, we have designed hollow Cu1.8S nano-cubes via a mild anion exchange and etching process. These 30 wt% hollow Cu1.8S nano-cubes loaded in wax can display 30 dB of EMI shielding effectiveness (SE) in the whole tested frequency range of 2–18 GHz with a sample thickness of only 1 mm. This good EMI shielding performance can be attributed to the high electric conductivity, which leads to a high dielectric constant. This research opens up the possibility for the applications of inorganic semiconductor nano-structures as lightweight EMI shielding materials, especially in the areas of aerospace, automobile and sophisticated electronics.

Graphical abstract: Synthesis of hollow Cu1.8S nano-cubes for electromagnetic interference shielding

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Publication details

The article was received on 20 Apr 2017, accepted on 26 Jun 2017 and first published on 28 Jun 2017


Article type: Paper
DOI: 10.1039/C7NR02819A
Citation: Nanoscale, 2017, Advance Article
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    Synthesis of hollow Cu1.8S nano-cubes for electromagnetic interference shielding

    W. Jiang, F. Wu, Y. Jiang, M. Sun, K. Zhang, Y. Xia, D. Wang and A. Xie, Nanoscale, 2017, Advance Article , DOI: 10.1039/C7NR02819A

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