Biocompatible radio frequency epsilon-near-zero materials for wearable electronics

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Composites and Hybrid Materials Pub Date : 2024-12-10 DOI:10.1007/s42114-024-01102-2

Haikun Wu, Yuanyuan Qi, Rui Yin, Yunchen Long, Juan Song, Peng Xie, Jing Zhong, Chong Wang, Qing Hou, Runhua Fan, Kai Sun

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引用次数: 0

Abstract

Epsilon-near-zero (ENZ) materials have attracted widespread attention due to their extremely low permittivity at plasma frequencies. In this work, carbon nanofibers encapsulating high-entropy alloy nanoparticles (HEA@CNFs) were prepared by electrospinning and three-dimensional (3D) printed into thin films with polydimethylsiloxane resin, achieving ENZ performance at 21 MHz when HEA@CNFs content reached 20 wt%. Theoretical calculations analyzed the mechanism of achieving radio frequency ENZ performance. When HEA was generated in CNFs, the delocalization ability of electrons around carbon atoms decreased, resulting in a decrease in carrier concentration. In addition, the non-parabolic enhancement and the increase in effective electron mass led to a decrease in plasma frequency. In addition to the ENZ response, the polydimethylsiloxane/HEA@CNFs ENZ film also exhibited biocompatibility and can be constructed into wearable electronic devices, realizing the detection of human body movements. It also has great application prospects in the fields of wearable medical devices and medical biological detection.

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来源期刊

Advanced Composites and Hybrid Materials Multiple-

CiteScore

26.00

自引率

21.40%

发文量

185

期刊介绍： Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.