Design of water-based conductive inks with enhanced printability, conductivity, and anti-fouling ability

IF 4.9 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Sensors and Actuators A-physical Pub Date : 2025-09-12 DOI:10.1016/j.sna.2025.117055

Caini Yang , Mushui Shu , Chunying Yuan , Tong Dou , Ling Guo , Zhizhen Xu , Jingyi Wang , Dongsheng Wang

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引用次数: 0

Abstract

Disposable electrochemical sensors are increasingly used in food safety, environmental monitoring fields, etc., creating strong demand for electrode conductive inks. Herein, four kinds of eco-friendly water-based inks were formulated using green polymers shellac (SHL), poly(ethylene glycol) (PEG), sodium carboxymethyl cellulose (CMC) and sodium alginate (SA) as adhesives and graphite as the main conductive material. The formulated inks were suitable for electrode printing after optimizing the ratio of the adhesives and conductive materials in inks. The adhesion strength and electrochemical performance of the inks presented strong substrate dependence on PET, filter paper, printer paper and camera paper. All the inks showed obvious solid-like properties. The PEG ink had good rheological properties and high stability while maintaining high conductivity. The electrode prepared by PEG ink showed stronger water wettability and anti-fouling ability for typical foulants in environmental samples than those by the other inks. This work provides a sustainable, low-cost solution for electrochemical sensing.

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水性导电油墨的设计，具有增强的印刷性、导电性和防污能力

一次性电化学传感器越来越多地应用于食品安全、环境监测等领域，对电极导电油墨的需求旺盛。以绿色高分子紫胶（SHL）、聚乙二醇（PEG）、羧甲基纤维素钠（CMC）和海藻酸钠（SA）为粘合剂，石墨为主要导电材料，配制了四种环保型水性油墨。通过优化油墨中胶粘剂和导电材料的配比，得到适合电极印刷的配方油墨。油墨的附着力和电化学性能对PET、滤纸、打印纸和照相纸均表现出较强的基材依赖性。所有的油墨都表现出明显的固体性质。PEG油墨在保持高导电性的同时，具有良好的流变性能和高的稳定性。PEG油墨制备的电极对环境样品中的典型污染物具有较强的润湿性和抗污能力。这项工作为电化学传感提供了一个可持续的、低成本的解决方案。

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来源期刊

Sensors and Actuators A-physical 工程技术-工程：电子与电气

CiteScore

8.10

自引率

6.50%

发文量

630

审稿时长

49 days

期刊介绍： Sensors and Actuators A: Physical brings together multidisciplinary interests in one journal entirely devoted to disseminating information on all aspects of research and development of solid-state devices for transducing physical signals. Sensors and Actuators A: Physical regularly publishes original papers, letters to the Editors and from time to time invited review articles within the following device areas: • Fundamentals and Physics, such as: classification of effects, physical effects, measurement theory, modelling of sensors, measurement standards, measurement errors, units and constants, time and frequency measurement. Modeling papers should bring new modeling techniques to the field and be supported by experimental results. • Materials and their Processing, such as: piezoelectric materials, polymers, metal oxides, III-V and II-VI semiconductors, thick and thin films, optical glass fibres, amorphous, polycrystalline and monocrystalline silicon. • Optoelectronic sensors, such as: photovoltaic diodes, photoconductors, photodiodes, phototransistors, positron-sensitive photodetectors, optoisolators, photodiode arrays, charge-coupled devices, light-emitting diodes, injection lasers and liquid-crystal displays. • Mechanical sensors, such as: metallic, thin-film and semiconductor strain gauges, diffused silicon pressure sensors, silicon accelerometers, solid-state displacement transducers, piezo junction devices, piezoelectric field-effect transducers (PiFETs), tunnel-diode strain sensors, surface acoustic wave devices, silicon micromechanical switches, solid-state flow meters and electronic flow controllers. Etc...