期刊
POLYMERS
卷 14, 期 22, 页码 -出版社
MDPI
DOI: 10.3390/polym14224949
关键词
microstereolithography; flexible wiring; 3D microfabrication; conductive polymers
资金
- JSPS KAKENHI [JP21K04691]
- JST CREST [JPMJCR1905]
In this study, highly conductive three-dimensional wiring was successfully fabricated using a precise 3D printing method. The importance of doping agents in the post-fabrication process was discussed. Flexible wiring was demonstrated by modeling the wiring on a polyimide film with surface treatment and creating a three-dimensional object.
Recently, flexible devices using intrinsically conductive polymers, particularly poly(3,4-ethylenedioxythiophene) (PEDOT), have been extensively investigated. However, most flexible wiring fabrication methods using PEDOT are limited to two-dimensional (2D) fabrication. In this study, we fabricated three-dimensional (3D) wiring using the highly precise 3D printing method of stereolithography. Although several PEDOT fabrication methods using 3D printing systems have been studied, few have simultaneously achieved both high conductivity and precise accuracy. In this study, we review the post-fabrication process, particularly the doping agent. Consequently, we successfully fabricated wiring with a conductivity of 16 S cm(-1). Furthermore, flexible wiring was demonstrated by modeling the fabricated wiring on a polyimide film with surface treatment and creating a three-dimensional fabrication object.
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