Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Printed Composite Film with Porous/ Micropyramide Hybrid Conductive Architecture for Multifunctional Flexible Force Sensor

Yi-Fei Wang
* ORCID logo ,
Junya Yoshida
,
Yasunori Takeda
ORCID logo ,
Ayako Yoshida
,
Takeru Kaneko
,
Tomohito Sekine
,
Daisuke Kumaki
,
Shizuo Tokito
*
Version 1 : Received: 21 November 2023 / Approved: 21 November 2023 / Online: 21 November 2023 (10:06:26 CET)

A peer-reviewed article of this Preprint also exists.

Wang, Y.-F.; Yoshida, J.; Takeda, Y.; Yoshida, A.; Kaneko, T.; Sekine, T.; Kumaki, D.; Tokito, S. Printed Composite Film with Microporous/Micropyramid Hybrid Conductive Architecture for Multifunctional Flexible Force Sensors. Nanomaterials 2024, 14, 63. Wang, Y.-F.; Yoshida, J.; Takeda, Y.; Yoshida, A.; Kaneko, T.; Sekine, T.; Kumaki, D.; Tokito, S. Printed Composite Film with Microporous/Micropyramid Hybrid Conductive Architecture for Multifunctional Flexible Force Sensors. Nanomaterials 2024, 14, 63.

Abstract

Porous structures and micropatterning surfaces play a crucial role in the development of highly sensitive force sensors. However, achieving these two conductive architectures typically requires complex materials synthesis and expensive manufacturing processes. In this study, we introduce a novel conductive composite film featuring a porous/micropyramid hybrid conductive architecture, which is achieved through a straightforward process of materials mixing and one-step screen printing. By utilizing a deep eutectic solvent in the ink component, micropores are induced in the printed composite, while the mesh of the screen mask acts as a template, resulting in a micropyramid film surface. We have successfully realized highly sensitive flexible force sensors with multifunctional capabilities for perceiving normal force and shear force.

Keywords

printed flexible sensors; conductive composite; porous structure; micropyramide structure; multifunctional force detection.

Subject

Chemistry and Materials Science, Materials Science and Technology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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