Enhanced Microwave Absorption Performance of α-FeOOH Nanorods on Carbon Aerogel Powder

Zhilan Du; Dashuang Wang; Haoyu Fu; Xudong Liu; Shuang Yi; Jinsong Rao; Xiaoying Liu; Yuxin Zhang

doi:10.1021/acsanm.3c03521

journal article·2023-11-24

Enhanced Microwave Absorption Performance of α-FeOOH Nanorods on Carbon Aerogel Powder

Zhilan Du, Dashuang Wang, Haoyu Fu, Xudong Liu, Shuang Yi, Jinsong Rao, Xiaoying Liu, Yuxin Zhang

ACS Applied Nano Materials· Volume 6· Issue 22

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Source abstract

Abstract

High-performance microwave absorbers are mainly based on reasonable microstructural designs and composition regulation. Herein, a broadband microwave absorber was obtained by a two-step hydrothermal method. Notably, the transformation of MnO 2 nanosheets to α-FeOOH nanorods was successfully realized on carbon aerogel powder, and the microwave absorption effect of the absorber can be adjusted in three-band absorption (S, X, and Ku bands) by changing the thickness of the absorber. The results show that the minimum reflection loss (RL min ) of the α-FeOOH/CA composite is −38 dB at a frequency of 13.28 GHz, and the corresponding effective absorption bandwidth of less than −10 dB could completely cover the Ku band. This study provides a new idea for designing carbon aerogel powder microwave absorbers reasonably and for adjusting impedance effectively.

Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials Composites

OpenAlex topics: Electromagnetic wave absorption materials · Advanced Antenna and Metasurface Technologies · Metamaterials and Metasurfaces Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Material Science and Engineering, Chongqing University, Chongqing 400044, China

Research Centre of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China

Army Logistics Academy of PLA, Chongqing 401331, China

Funding

Graduate School, Chongqing University · Fundamental Research Funds for the Central Universities · Technology Innovation and Application Development Special Project of Chongqing · Scientific Research Project of Chongqing Ecological Environment Bureau

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