使用环保型双层电介质的气溶胶喷射打印温度传感器

IF 2.8 4区 工程技术 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Flexible and Printed Electronics Pub Date : 2024-03-15 DOI:10.1088/2058-8585/ad2ece
Mathieu N Tousignant, Vanessa Tischler, Kaitlin Wagner, Zheng Sonia Lin, Jaclyn Brusso, Ricardo Izquierdo, Benoît H Lessard
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引用次数: 0

摘要

随着物联网和智能包装等应用的兴起,对低成本、对环境影响最小的一次性温度传感器的需求变得至关重要。在这项研究中,我们报告了由生物可降解电介质材料制成的全印刷电容式温度传感器。所有层均采用气溶胶喷射印刷,并在室温(22 ˚C)和 80 °C 之间的多个温度条件下对等面积电容进行了表征。利用双层电介质结构,通过界面交联将聚(乙烯醇)(PVA)层与聚己内酯(PCL)层封装在一起,以防止潮湿。对不同浓度和层数的 PVA 进行了研究,最有效的电容器由 5.0 毫克毫升/升溶液沉积的单层 PVA 和 2.0 毫克毫升/升溶液沉积的可紫外线交联的 PCL 层组成,与室温相比,在 80 °C 下以 501 Hz 频率测量的等面积电容增加了 43 ± 6%。
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Aerosol jet printed temperature sensors using an environmentally friendly bilayer dielectric
With the rise of the internet of things and applications such as smart packaging, the need for low cost, disposable temperature sensors with minimum environmental impact are critical. In this study, we report fully printed capacitive temperature sensors made from bio-degradable dielectric materials. All layers were aerosol jet printed and the areal capacitance was characterized at several temperatures between room temperature (22 ˚C) and 80 °C. Using a bilayer dielectric structure, a layer of poly (vinyl alcohol) (PVA) was encapsulated with polycaprolactone (PCL) through interfacial crosslinking to protect it against humidity. Various concentrations and layer amounts of PVA were investigated, with the most effective capacitors consisting of a single layer of PVA deposited from a 5.0 mg ml−1 solution followed by a layer of the UV-crosslink-able PCL deposited from 2.0 mg ml−1 solution, achieving a 43 ± 6% increase in areal capacitance at 80 °C when compared to room temperature, measured at a frequency of 501 Hz.
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来源期刊
Flexible and Printed Electronics
Flexible and Printed Electronics MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
4.80
自引率
9.70%
发文量
101
期刊介绍: Flexible and Printed Electronics is a multidisciplinary journal publishing cutting edge research articles on electronics that can be either flexible, plastic, stretchable, conformable or printed. Research related to electronic materials, manufacturing techniques, components or systems which meets any one (or more) of the above criteria is suitable for publication in the journal. Subjects included in the journal range from flexible materials and printing techniques, design or modelling of electrical systems and components, advanced fabrication methods and bioelectronics, to the properties of devices and end user applications.
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