| 초록 |
Intensive research has been actively performed to fabricate organic thin-film transistors (OTFTs) for a low-cost large area application. Our research group recently introduced the pen-printing technique for the field of organic transistors, which uses a capillary action. The versatility of the technique can be applied to solution processable organic materials to form the various patterns including dot and line shapes. However, the pen printing technique has a drawback to apply the industrial fields, which is the large-patterned scale around 100 μm. The optimizations for efficient and practical pen printing technique is performed by controlling surface energy and capillary-nib structure. As the results, the printed patterns decreased to 30 μm in a diameter. The results are expected to contribute to the commercialization of low cost large-area oragnic electronics devices manufactured from a variety of solution processable organic materials. |
