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Issue 7, 2017
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Achieving rough sphere-shaped ZnS with superior attenuation electromagnetic absorption performance

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Abstract

ZnS micrometer spheres were prepared via a facile hydrothermal route. Polyvinyl pyrrolidone (PVP) was used as the surfactant. By controlling the PVP content, the smooth surface of ZnS sphere was converted to a rough surface, which led to a stronger electromagnetic wave scattering intensity when used as an electromagnetic absorption absorber. ZnS microspheres with the roughest surface showed the best electromagnetic absorption property. The absorption frequency of this product at 2.0 mm was 4.2 GHz. The minimum reflection loss was nearly −35.0 dB, indicating excellent attenuation ability. The attenuation mechanism is discussed in detail and was attributed to the scattering effect.

Graphical abstract: Achieving rough sphere-shaped ZnS with superior attenuation electromagnetic absorption performance

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Article information


Submitted
08 Nov 2016
Accepted
19 Dec 2016
First published
16 Jan 2017

This article is Open Access

RSC Adv., 2017,7, 3907-3913
Article type
Paper

Achieving rough sphere-shaped ZnS with superior attenuation electromagnetic absorption performance

Y. Sun, D. Li, Y. Yang, L. Fan, S. Wu, P. Wang and Y. Song, RSC Adv., 2017, 7, 3907
DOI: 10.1039/C6RA26489A

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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
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    [Original citation] - Published by The Royal Society of Chemistry.

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