The 70th JSAP Spring Meeting 2023

Presentation information

Poster presentation

12 Organic Molecules and Bioelectronics » 12.1 Fabrications and Structure Controls

[15p-PA03-1~18] 12.1 Fabrications and Structure Controls

Wed. Mar 15, 2023 4:00 PM - 6:00 PM PA03 (Poster)

4:00 PM - 6:00 PM

[15p-PA03-10] Control of droplet behavior in inkjet printing by hydrophobic/hydrophilic patterning for organic thin-film formation

Shintaro Tsuda1, Yoshiaki Hattori1, Satoshi Inoue1, Masatoshi Kitamura1 (1.Kobe Univ)

Keywords:ink-jet method, organic thin-film, hydrophobic/hydrophilic patterning

Coated organic thin-film transistors (OTFTs) have the advantage of low-cost fabrication on flexible substrates. However, the wetting of the raw material solution on the surface of the substrate is difficult when the film is formed by the coating method on an insulating film with low interfacial trapping density. In this study, we investigated the formation of organic thin films on hydrophobic substrates by the ink-jet method, in which the substrate is locally made hydrophilic in order to control the behavior of the solution applied on the hydrophobic substrate.

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