采用低温喷墨打印技术在柔性、温度敏感基板上制备银基热敏电阻。
Fabrication of a Silver-Based Thermistor on Flexible, Temperature-Sensitive Substrates Using a Low-Temperature Inkjet Printing Technique.
作者信息
Sui Yongkun, Kreider Loren P, Bogie Kath M, Zorman Christian A
机构信息
Department of Electrical Engineering and Computer Science, Case Western Reserve University, Cleveland, OH 44106 USA.
Department of Biomedical Engineering, Indiana Institute of Technology, Fort Wayne, IN 46803 USA.
出版信息
IEEE Sens Lett. 2019 Jan 17;3(2). doi: 10.1109/LSENS.2019.2893741.
Inkjet printing has been identified as a cost-effective method to fabricate sensors on polymeric substrates. However, substrate materials suitable for printing are limited by the annealing temperature required by conventional inks. In this article, we describe the fabrication of an inkjet-printed thermistor on polyethylene and cellophane substrates that are not thermally compatible with the conventional inkjet printing processes. Fabrication on these substrates is made possible by a novel plasma-based postprint treatment step that limits the substrate temperature to <50 °C. The sensors exhibited a temperature sensitivity of 0.25 Ω°C that was independent of substrate material. The utility of the fabrication process was demonstrated by fabricating thermistors for common indoor and outdoor applications.
喷墨打印已被视为一种在聚合物基板上制造传感器的经济高效方法。然而，适用于打印的基板材料受到传统墨水所需退火温度的限制。在本文中，我们描述了在聚乙烯和玻璃纸基板上喷墨打印热敏电阻的制造过程，这些基板与传统喷墨打印工艺在热方面不兼容。通过一种基于等离子体的新型打印后处理步骤，可将基板温度限制在<50°C，从而实现了在这些基板上的制造。这些传感器表现出0.25Ω/°C的温度灵敏度，且与基板材料无关。通过制造适用于常见室内和室外应用的热敏电阻，证明了该制造工艺的实用性。
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