Achieving rough sphere-shaped ZnS with superior attenuation electromagnetic absorption performance
文献类型： 外文期刊
作者： Sun, Yan-chun 1 ; Li, Dong-ping 2 ; Yang, Ying 2 ; Fan, Li-shuang 3 ; Wu, Song 1 ; Wang, Peng 1 ; Song, Yi 4 ;
作者机构： 1.Minist Agr, Lab Qual & Safety Risk Assessment Aquat Prod Harb, Heilongjiang River Fisheries Res Inst, Chinese Acad Fishery Sci, Harbin 150070, Peoples R China
2.Harbin Univ Sci & Technol, Coll Chem & Environm Engn, Harbin 150080, Peoples R China
3.Harbin Inst Technol, Acad Fundamental & Interdisciplinary Sci, Harbin 150080, Peoples R China
4.Chinese Acad Fishery Sci, Beijing 100141, Peoples R China
期刊名称：RSC ADVANCES （ 影响因子：3.361； 五年影响因子：3.39 ）
ISSN： 2046-2069
年卷期： 2017 年 7 卷 7 期
页码：
收录情况： SCI
摘要： ZnSmicrometer 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.
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