基于氧化铟锡纳米颗粒/纤维素纳米纤维复合材料的高性能压阻式人体活动监测传感器

IF 7.7 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Composites Communications Pub Date : 2025-08-12 DOI:10.1016/j.coco.2025.102544

Pengju Huang , Yiming Cai , Qianzhao Jia , Yang Yang , Tao Yue , Songyi Zhong

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引用次数: 0

摘要

可穿戴技术的快速发展要求开发灵活、高性能、环保的压力传感器。然而，使用简单而经济的方法制造环境友好且性能优异的压力传感器仍然是一个巨大的挑战。在此，我们开发了一种基于氧化铟锡纳米颗粒(ITO NPs)/纤维素纳米纤维（CNF）复合材料的新型压阻传感器，其可持续性优势源于可生物降解的CNF基质。该传感器是通过将导电ITO NPs/CNF复合薄膜夹在聚酰亚胺封装层和纸基交错电极之间制成的。它具有宽传感范围（0-125 kPa），高灵敏度（1715.35 kPa−1），快速响应时间（37.82 ms）和卓越的循环稳定性（超过5000次循环）。此外，该传感器还显示出检测大而细微的人体运动以及空间压力分布的能力，在可穿戴电子产品中显示出巨大的应用潜力。

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High-performance piezoresistive sensor based on indium tin oxide nanoparticles/cellulose nanofiber composite for human activity monitoring

The rapid growth of wearable technologies demands the development of flexible, high-performance, and environmentally sustainable pressure sensors. However, the fabrication of environmentally friendly and excellent performance pressure sensors using simple and cost-effective methods remains a great challenge. Herein, we develop a novel piezoresistive sensor based on indium tin oxide nanoparticles (ITO NPs)/cellulose nanofibers (CNF) composite, where the sustainability advantage originates from the biodegradable CNF substrate. The sensor is fabricated by sandwiching conductive ITO NPs/CNF composite film between a polyimide encapsulation layer and a paper-based interdigitated electrode. It demonstrates a wide sensing range (0–125 kPa), high sensitivity (1715.35 kPa⁻¹), rapid response time (37.82 ms), and exceptional cyclic stability (over 5000 cycles). Moreover, the sensor demonstrates the capability to detect both large and subtle human movements, as well as spatial pressure distribution, showing great potential for applications in wearable electronics.

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来源期刊

Composites Communications Materials Science-Ceramics and Composites

CiteScore

12.10

自引率

10.00%

发文量

340

审稿时长

36 days

期刊介绍： Composites Communications (Compos. Commun.) is a peer-reviewed journal publishing short communications and letters on the latest advances in composites science and technology. With a rapid review and publication process, its goal is to disseminate new knowledge promptly within the composites community. The journal welcomes manuscripts presenting creative concepts and new findings in design, state-of-the-art approaches in processing, synthesis, characterization, and mechanics modeling. In addition to traditional fiber-/particulate-reinforced engineering composites, it encourages submissions on composites with exceptional physical, mechanical, and fracture properties, as well as those with unique functions and significant application potential. This includes biomimetic and bio-inspired composites for biomedical applications, functional nano-composites for thermal management and energy applications, and composites designed for extreme service environments.