Graphene/polypyrrole/carbon black nanocomposite material ink-based screen-printed low-cost, flexible humidity sensor

IF 4.8 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Emergent Materials Pub Date : 2023-11-08 DOI:10.1007/s42247-023-00585-x

P. Parthasarathy

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引用次数: 0

Abstract

Abstract The detection of humidity is crucial for various applications in industry, healthcare, and the environment. To meet the needs of many of these applications, humidity sensors must be flexible, disposable, and easily fabricated. This article introduces a cost-effective and flexible humidity sensor created on a paper substrate, using graphene-polypyrrole-carbon black ink. The sensor shows excellent sensing capabilities, with a resistance change of approximately 12.2 Ω/%RH when exposed to humidity ranging from 23%RH to 92.7%RH. Additionally, the sensor is highly flexible, stable, and repeatable for over 50 cycles, with a short response/recovery time of approximately 5 s/7 s for respiration rate monitoring. Furthermore, the sensor demonstrates good reproducibility, with minor variations of approximately ± 1 Ω/%RH. The performance of the produced humidity sensor is assessed for monitoring humidity in a spatial setting as well as monitoring soil moisture. As a result, these findings indicate that the proposed humidity sensor is resilient enough to be used in wearable and flexible electronic devices.

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石墨烯/聚吡咯/炭黑纳米复合材料油墨基丝网印刷低成本，柔性湿度传感器

湿度的检测对于工业、医疗保健和环境中的各种应用至关重要。为了满足许多这些应用的需要，湿度传感器必须是灵活的，一次性的，并且易于制造。本文介绍了一种采用石墨烯-聚吡咯-炭黑油墨在纸基材上制作的具有成本效益和柔性的湿度传感器。该传感器表现出优异的传感能力，当暴露在23%RH至92.7%RH的湿度范围内时，电阻变化约为12.2 Ω/%RH。此外，该传感器高度灵活，稳定，可重复超过50个周期，呼吸速率监测的响应/恢复时间约为5秒/7秒。此外，该传感器具有良好的再现性，其微小变化约为±1 Ω/%RH。对所生产的湿度传感器的性能进行了评估，以监测空间环境中的湿度以及监测土壤湿度。因此，这些发现表明，所提出的湿度传感器具有足够的弹性，可以用于可穿戴和柔性电子设备。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Emergent Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

7.40

自引率

2.60%

发文量

期刊介绍： Emergent Materials is a multidisciplinary peer-reviewed journal, which publishes reviews, mini reviews, communications, progress reports, research news and original research articles at the forefront of physics, chemistry, biology, and engineering of advanced materials. Submissions will cover a wide range of articles, reviews and communications from the design and preparation of emerging materials to cutting edge applications.Emergent Materials aims to publish a series of high quality and high impact research articles that reflect and bring the best Research, at the forefront of physics, chemistry, biology, and engineering of advanced materials to the international research community. All manuscripts will be subjected to a preliminary review prior to the full reviewing process in order to evaluate their suitability for publication.Emergent Materials publishes articles that focus on but are not limited to, a variety of topics such as:• Design, synthesis, and characterization of advanced materials• Hierarchical materials• Self-assembly of materials• Polymers and composites• Coatings and membranes• Green and sustainable materials• Micro, meso and nanoporous materials• Nanostructures, nanocomposites and thin film• Carbon-based materials and applications• Renewable energy/Environment materials• Novel optical materials• Biomaterials• Catalysis• Surface Science and Engineering• Functional materials• Alloys design, synthesis, and applications• Nano-devices