High-permittivity Sb2S3 single-crystal nanorods as a brand-new choice for electromagnetic wave absorption

电磁波吸收材料的新选择: 高介电常数的Sb2S3单 晶纳米棒


The application of antimony sulfide (Sb2S3) has been limited mainly to the energy storage and photoelectric conversion fields. However, in this work, the application of Sb2S3 is extended to the field of electromagnetic (EM) wave absorption for the first time. High-permittivity Sb2S3 single-crystal nanorods were prepared successfully and exhibited excellent performance, with a low reflection loss of −65.9 dB (13.0 GHz, 3.8 mm) and an ultra-wide effective absorption bandwidth of 9.5 GHz (8.5–18.0 GHz, 4.1 mm). After excluding the general absorption mechanisms, including conductive losses, interfacial polarization, and dipole polarization, the distinctive single-crystal volume polarization affected by shape anisotropy was proposed. This work not only meets the challenge of a single-component dielectric material design but also introduces a new concept for construction of efficient dielectric EM wave absorption material.


硫化锑(Sb2S3)的用途主要局限在储能和光电转换领域, 而在 本工作中, Sb2S3被首次拓展到电磁波吸收领域. 高介电常数的Sb2S3 单晶纳米棒表现出了−65.9 dB的反射损耗(13.0 GHz, 3.8 mm), 以 及可达9.5 GHz(8.5–18.0 GHz, 4.1 mm)的超宽有效吸收带宽. 在排 除了常见的吸收机制, 例如导电损耗、界面损耗和偶极子损耗之 后, 我们提出了一种独特的形状各向异性影响下的单晶体极化机 制(SCVP). 该工作不仅突破了单组份介电吸波材料设计这一挑战, 也为构建高效介电吸波材料提供了新的方法和思路.


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This work was supported by the National Natural Science Foundation of China (51572157, 21902085, and 51702188), the Natural Science Foundation of Shandong Province (ZR2019QF012), the Fundamental Research Funds for the Central Universities (2018JC046), and Young Scholars Program of Shandong University (2018WLJH25).

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Corresponding authors

Correspondence to Fenglong Wang 王凤龙 or Jiurong Liu 刘久荣.

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Author contributions

Qiao J, Zhang X, and Liu C designed the research; Qiao J performed the experiments and the data analysis. All the authors discussed the results and co-wrote the paper.

Conflict of interest

The authors declare that they have no conflict of interest.

Jing Qiao received his BS degree from Shandong University in 2016. He is currently a PhD student at the School of Materials Science and Engineering of Shandong University. His research interests focus on efficient electromagnetic wave absorption materials.

Fenglong Wang obtained his PhD in chemical engineering from the University of New South Wales, Australia. Afterward, he worked as a specific researcher at Kyoto University from 2016 to 2018. He started his independent career as a professor of materials science at Shandong University in April 2018. His research interests are nanomaterials for solar energy conversion, environmental remediation, and antimicrobial applications.

Jiurong Liu obtained his PhD from Osaka University in 2004. Then, he worked as a postdoctoral fellow at the University of California, Los Angeles until 2008, before beginning his career as a full professor in materials science at Shandong University. His research interests are the syntheses of hybrid nanomaterials for energy storage and electromagnetic applications.

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Qiao, J., Zhang, X., Liu, C. et al. High-permittivity Sb2S3 single-crystal nanorods as a brand-new choice for electromagnetic wave absorption. Sci. China Mater. (2021). https://doi.org/10.1007/s40843-020-1573-8

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  • antimony sulfide
  • single-crystal nanorods
  • high permittivity
  • volume polarization
  • electromagnetic wave absorption