Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/164670
Title: Hollow gradient‑structured iron‑anchored carbon nanospheres for enhanced electromagnetic wave absorption
Authors: Wu, Cao
Wang, Jing
Zhang, Xiaohang
Kang, Lixing
Cao, Xun
Zhang, Yongyi
Niu, Yutao
Yu, Yingying
Fu, Huili
Shen, Zongjie
Wu, Kunjie
Yong, Zhenzhong
Zou, Jingyun
Wang, Bin
Chen, Zhou
Yang, Zhengpeng
Li, Qingwen
Keywords: Engineering::Materials
Issue Date: 2022
Source: Wu, C., Wang, J., Zhang, X., Kang, L., Cao, X., Zhang, Y., Niu, Y., Yu, Y., Fu, H., Shen, Z., Wu, K., Yong, Z., Zou, J., Wang, B., Chen, Z., Yang, Z. & Li, Q. (2022). Hollow gradient‑structured iron‑anchored carbon nanospheres for enhanced electromagnetic wave absorption. Nano-Micro Letters, 15(1). https://dx.doi.org/10.1007/s40820-022-00963-w
Journal: Nano-Micro letters 
Abstract: In the present paper, a microwave absorber with nanoscale gradient structure was proposed for enhancing the electromagnetic absorption performance. The inorganic–organic competitive coating strategy was employed, which can effectively adjust the thermodynamic and kinetic reactions of iron ions during the solvothermal process. As a result, Fe nanoparticles can be gradually decreased from the inner side to the surface across the hollow carbon shell. The results reveal that it offers an outstanding refection loss value in combination with broadband wave absorption and flexible adjustment ability, which is superior to other relative graded distribution structures and satisfied with the requirements of lightweight equipment. In addition, this work elucidates the intrinsic microwave regulation mechanism of the multiscale hybrid electromagnetic wave absorber. The excellent impedance matching and moderate dielectric parameters are exhibited to be the dominative factors for the promotion of microwave absorption performance of the optimized materials. This strategy to prepare gradient-distributed microwave absorbing materials initiates a new way for designing and fabricating wave absorber with excellent impedance matching property in practical applications.
URI: https://hdl.handle.net/10356/164670
ISSN: 2311-6706
DOI: 10.1007/s40820-022-00963-w
Schools: School of Materials Science and Engineering 
Rights: © The Author(s) 2022. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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