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核心技术专利：CN118964589B侵权必究
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一种由氧化铁/埃洛石纳米结构与聚苯乙烯复合而成的磁性X波段频率微波纳米吸收剂。

A magnetic X-band frequency microwave nanoabsorbent made of iron oxide/halloysite nanostructures combined with polystyrene.

作者信息

Jelodar Diana Fallah, Rouhi Mojtaba, Taheri-Ledari Reza, Hajizadeh Zoleikha, Maleki Ali

机构信息

Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran

Department of Physics, Iran University of Science and Technology Tehran 16846-13114 Iran.

出版信息

RSC Adv. 2023 Feb 27;13(10):6643-6655. doi: 10.1039/d2ra08339f. eCollection 2023 Feb 21.

DOI:10.1039/d2ra08339f
PMID:36860539
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9969233/
Abstract

A novel nanocomposite has been designed and fabricated through an polymerization process, based on iron oxide nanoparticles (FeO NPs), halloysite nanotubes (HNTs), and polystyrene (PS). The prepared nanocomposite (formulated as FeO/HNT-PS) has been fully characterized through various methods, and its applicability in microwave absorption was investigated by using some single-layer and bilayer pellets containing nanocomposite and resin. The efficiency of the FeO/HNT-PS composite with different weight ratios and pellets with the thickness of 3.0 and 4.0 mm were examined. Vector network analysis (VNA) revealed that the microwave (12 GHz) can be noticeably absorbed by FeO/HNT-60% PS particles in a bilayer structure with 4.0 mm thickness and 85% resin of the pellets, resulting in a microwave absorption value of -26.9 dB. The observed bandwidth (RL < -10 dB) was about 1.27 GHz, where 95% of the radiated wave is absorbed. Ultimately, due to low-cost raw materials and high performance of the presented absorbent system, the FeO/HNT-PS nanocomposite and the construction of the presented bilayer system can be subjected to further investigations to test and compare with other compounds for industrialization.

摘要

通过聚合过程，基于氧化铁纳米颗粒（FeO NPs）、埃洛石纳米管（HNTs）和聚苯乙烯（PS）设计并制备了一种新型纳米复合材料。所制备的纳米复合材料（配方为FeO/HNT-PS）已通过各种方法进行了全面表征，并通过使用一些含有纳米复合材料和树脂的单层和双层颗粒研究了其在微波吸收方面的适用性。研究了不同重量比的FeO/HNT-PS复合材料以及厚度为3.0和4.0 mm的颗粒的效率。矢量网络分析（VNA）表明，在厚度为4.0 mm且颗粒中树脂含量为85%的双层结构中，微波（12 GHz）可被FeO/HNT-60% PS颗粒显著吸收，导致微波吸收值达到-26.9 dB。观察到的带宽（RL < -10 dB）约为1.27 GHz，其中95%的辐射波被吸收。最终，由于所提出的吸收系统原材料成本低且性能高，FeO/HNT-PS纳米复合材料以及所提出的双层系统的结构可进行进一步研究，以测试并与其他化合物进行比较以实现工业化。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/7f091b64ba87/d2ra08339f-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/107673927313/d2ra08339f-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/82eb32586164/d2ra08339f-s2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/000d86668df3/d2ra08339f-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/85277628cab4/d2ra08339f-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/d947d78b1619/d2ra08339f-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/fa0469bb620e/d2ra08339f-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/fd97ed409374/d2ra08339f-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/311eeef48962/d2ra08339f-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/6a44575ae4f3/d2ra08339f-s3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/7f091b64ba87/d2ra08339f-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/107673927313/d2ra08339f-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/82eb32586164/d2ra08339f-s2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/000d86668df3/d2ra08339f-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/85277628cab4/d2ra08339f-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/d947d78b1619/d2ra08339f-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/fa0469bb620e/d2ra08339f-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/fd97ed409374/d2ra08339f-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/311eeef48962/d2ra08339f-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/6a44575ae4f3/d2ra08339f-s3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de4f/9969233/7f091b64ba87/d2ra08339f-f7.jpg

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本文引用的文献

[1]
RETRACTION: Multi-Stimuli Nanocomposite Therapeutic: Docetaxel Targeted Delivery and Synergies in Treatment of Human Breast Cancer Tumor.

Small. 2024-9

[2]
Vancomycin-Loaded FeO/MOF-199 Core/Shell Cargo Encapsulated by Guanidylated-β-Cyclodextrine: An Effective Antimicrobial Nanotherapeutic.

Inorg Chem. 2023-2-13

[3]
Synergies in antimicrobial treatment by a levofloxacin-loaded halloysite and gold nanoparticles with a conjugation to a cell-penetrating peptide.

Nanoscale Adv. 2022-9-15

[4]
Efficient Photodegradation of Eriochrome Black-T by a Trimetallic Magnetic Self-Synthesized Nanophotocatalyst Based on Zn/Au/Fe-Embedded Poly(vinyl alcohol).

Langmuir. 2022-11-15

[5]
Functionalized hybrid magnetic catalytic systems on micro- and nanoscale utilized in organic synthesis and degradation of dyes.

Nanoscale Adv. 2022-2-9

[6]
A magnetic antibody-conjugated nano-system for selective delivery of Ca(OH) and taxotere in ovarian cancer cells.

Commun Biol. 2022-9-21

[7]
A diselenobis-functionalized magnetic catalyst based on iron oxide/silica nanoparticles suggested for amidation reactions.

Sci Rep. 2022-9-1

[8]
High-performance sono/nano-catalytic system: CTSN/FeO-Cu nanocomposite, a promising heterogeneous catalyst for the synthesis of -arylimidazoles.

RSC Adv. 2019-12-5

[9]
Synthesis and characterization of a supported Pd complex on volcanic pumice laminates textured by cellulose for facilitating Suzuki-Miyaura cross-coupling reactions.

RSC Adv. 2020-6-18

[10]
Cu(ii) immobilized on FeO@HNTs-tetrazole (CFHT) nanocomposite: synthesis, characterization, investigation of its catalytic role for the 1,3 dipolar cycloaddition reaction, and antibacterial activity.

RSC Adv. 2020-7-15

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