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<p>This paper concentrates on innovative preparation of FeS nanoparticles-modified Ti<sub>3</sub>C<sub>2</sub> two-dimensional nanoscale absorbing material, exploring its application potential in the field of radiation-proof polyester clothing fabrics. Through hydrothermal composite method, we successfully modified FeS nanoparticles uniformly and stably on Ti<sub>3</sub>C<sub>2</sub> nanosheets to prepare a sandwich-like FeS@Ti<sub>3</sub>C<sub>2</sub> composite. Through analyzing the phase structure and purity, the optimal preparation conditions were obtained (pH of 5, temperature of 120&#xa0;℃, holding time of 4&#xa0;h, and raw material ratio of Fe:S:Ti = 1:1:1). The primary crystal phases identified were FeS and Ti<sub>3</sub>C<sub>2</sub>, both free from impurities. The electromagnetic wave (EMW) attenuation properties of FeS@Ti<sub>3</sub>C<sub>2</sub> were investigated using impedance matching, dielectric constant, complex permeability, Cole–Cole plots, and minimum reflection loss measurements. FeS@Ti<sub>3</sub>C<sub>2</sub> composite has a reflection loss of − 24.60&#xa0;dB at 14.3&#xa0;GHz and matching thickness of 2.2&#xa0;mm. The FeS@Ti<sub>3</sub>C<sub>2</sub> material exhibits exceptional EMW absorption performance. The EMW absorption capacity of Ti<sub>3</sub>C<sub>2</sub> is significantly enhanced, allowing the composite to maintain an efficient absorbing effect across a wide frequency range. Benefiting from the high conductivity and mechanical strength of Ti<sub>3</sub>C<sub>2</sub>, the magnetic loss mechanism of FeS is introduced to achieve impedance matching and broadband absorption.</p>

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Preparing radiation-proof terylene garment fabric by FeS-doped Ti3C2 two-dimensional nanomaterial

  • 期刊论文

  • 发表日期：

    2025年3月19日

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  • Hua Li,
  • Xiaoyuan Luo

摘要

This paper concentrates on innovative preparation of FeS nanoparticles-modified Ti3C2 two-dimensional nanoscale absorbing material, exploring its application potential in the field of radiation-proof polyester clothing fabrics. Through hydrothermal composite method, we successfully modified FeS nanoparticles uniformly and stably on Ti3C2 nanosheets to prepare a sandwich-like FeS@Ti3C2 composite. Through analyzing the phase structure and purity, the optimal preparation conditions were obtained (pH of 5, temperature of 120 ℃, holding time of 4 h, and raw material ratio of Fe:S:Ti = 1:1:1). The primary crystal phases identified were FeS and Ti3C2, both free from impurities. The electromagnetic wave (EMW) attenuation properties of FeS@Ti3C2 were investigated using impedance matching, dielectric constant, complex permeability, Cole–Cole plots, and minimum reflection loss measurements. FeS@Ti3C2 composite has a reflection loss of − 24.60 dB at 14.3 GHz and matching thickness of 2.2 mm. The FeS@Ti3C2 material exhibits exceptional EMW absorption performance. The EMW absorption capacity of Ti3C2 is significantly enhanced, allowing the composite to maintain an efficient absorbing effect across a wide frequency range. Benefiting from the high conductivity and mechanical strength of Ti3C2, the magnetic loss mechanism of FeS is introduced to achieve impedance matching and broadband absorption.