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Title: Lightweight and high-performance microwave absorber based on 2D WS 2 –RGO heterostructures
Authors: Zhang, D
Liu, T
Cheng, J
Cao, Q
Zheng, G 
Liang, S
Wang, H
Cao, MS
Issue Date: 2019
Source: Nano-micro letters, 2019, v. 11, no. 1, 38
Abstract: Two-dimensional (2D) nanomaterials are categorized as a new class of microwave absorption (MA) materials owing to their high specific surface area and peculiar electronic properties. In this study, 2D WS 2 –reduced graphene oxide (WS 2 –rGO) heterostructure nanosheets were synthesized via a facile hydrothermal process; moreover, their dielectric and MA properties were reported for the first time. Remarkably, the maximum reflection loss (RL) of the sample–wax composites containing 40 wt% WS 2 –rGO was − 41.5 dB at a thickness of 2.7 mm; furthermore, the bandwidth where RL < − 10 dB can reach up to 13.62 GHz (4.38–18 GHz). Synergistic mechanisms derived from the interfacial dielectric coupling and multiple-interface scattering after hybridization of WS 2 with rGO were discussed to explain the drastically enhanced microwave absorption performance. The results indicate these lightweight WS 2 –rGO nanosheets to be potential materials for practical electromagnetic wave-absorbing applications.[Figure not available: see fulltext.]
Keywords: 2D WS 2 nanosheets
Microwave absorption
Reduced graphene oxide
Publisher: Springer
Journal: Nano-micro letters 
ISSN: 2311-6706
EISSN: 2150-5551
DOI: 10.1007/s40820-019-0270-4
Rights: © The Author(s) 2019
This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
The following publication Zhang, D., Liu, T., Cheng, J. et al. Nano-Micro Lett. (2019) 11: 38 is available at
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