在聚合物PEI- PDMS基体上组装纳米石墨烯金属，提高芯片的导电性和柔韧性

Q2 Materials Science

Engineering Solid Mechanics Pub Date : 2022-01-01 DOI:10.5267/j.esm.2022.4.005

Ameen Abdelrahman, F. Erchiqui, Nedil Mourad

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引用次数: 1

摘要

这项工作旨在制造一种独特的聚合物，用于导电和柔性芯片天线。它的性能是坚固、刚性、拉伸性和良好的导电性。所制备的复合材料由两种共聚物组成，聚二甲基硅氧烷(PDMS)和聚乙烯亚胺(PEI)，以纳米金属(铜，银)和石墨烯纳米颗粒为基体组装。纳米金属填充了层间空间，聚合物空隙加强了交联剂。石墨烯/金属纳米颗粒有助于利用金属键形成螯合配合物，将聚合物的电导率从1.87 × 10-4提高到5.64 ×10-6 σ sc -1。利用不同的光谱技术，如电化学阻抗(EIS)、扫描电子显微镜(SEM)、过渡电子显微镜(TEM)、红外光谱(IR)、紫外-可见光谱(UV)和粒度分析仪，分析了制备的复合材料的电导率、自愈性和表面形貌。

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Enhancement the conductivity and flexibility of fabricated chip comprise from nano graphene metals assembled on polymeric PEI- PDMS matrix

This work aims to make a unique polymer to be used as a conductive and flexible chip antenna. Its properties are robustness, rigidity, stretchability, and good conduction. The fabricated composite is composed of two copolymers, Polydimethylsiloxane (PDMS) and Polyethylenimine (PEI), assembled with nano metals (Copper, Silver), and graphene nanoparticles as a matrix. Nano metals fill out the inter-layer space, and polymer voids reinforce the cross linker. Graphene/metal nanoparticles help make chelating complexes using metallic bonds, enhancing the polymer’s conductivity from 1.87 × 10-4 to 5.64 ×10-6 σ Scm-1. The conductivity, self-healing, and surface morphology of fabricated composite are analyzed using different spectroscopic techniques, such as electrochemical impedance (EIS), Scanning Electronic Microscopy (SEM), Transition Electronic Microscopy (TEM), Infrared spectroscopy (IR), UV-Visible spectroscopy (UV), and a particle size analyzer.

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来源期刊

Engineering Solid Mechanics Materials Science-Metals and Alloys

CiteScore

3.00

自引率

0.00%

发文量

期刊介绍： Engineering Solid Mechanics (ESM) is an online international journal for publishing high quality peer reviewed papers in the field of theoretical and applied solid mechanics. The primary focus is to exchange ideas about investigating behavior and properties of engineering materials (such as metals, composites, ceramics, polymers, FGMs, rocks and concretes, asphalt mixtures, bio and nano materials) and their mechanical characterization (including strength and deformation behavior, fatigue and fracture, stress measurements, etc.) through experimental, theoretical and numerical research studies. Researchers and practitioners (from deferent areas such as mechanical and manufacturing, aerospace, railway, bio-mechanics, civil and mining, materials and metallurgy, oil, gas and petroleum industries, pipeline, marine and offshore sectors) are encouraged to submit their original, unpublished contributions.