NDLI: Effect of plasma treated ITO substrate on inkjet printing of conductive ink

Content Provider	IEEE Xplore Digital Library
Author	Lok, B.K. Ng, P.Y. Hu, X. Low, H.P.
Copyright Year	2006
Description	Author affiliation: Singapore Inst. of Manuf. Technol. (Lok, B.K.)
Abstract	In this paper, we investigate the effect to inkjet printing by modifying the surface condition of the substrate by plasma treatment as a possible processing technique to improve the printability and repeatability of ink-jet printed conductive ink on ITO coated substrate, and to identify the relationship between process parameters and property. Oxygen plasma surface treatment has been found to increase the surface energy of ITO coated substrates used in OLED. Uniform dots and lines were the desired print pattern. Surface energy of the treated film was quantified through the measurements of contact angles using a commercial conductive ink PEDOT-PSS. In addition, surface roughness and morphology of the treated ITO films were investigated to identify their effect on printability of the polymer. As surface treatment is also known to affect electrical properties of ITO, sheet resistance was studied. Results show that oxygen plasma improved the print quality dramatically and by varying plasma conditions used. Experimental data also showed that surface energy changed with storage time after treatment. Contact angle increased from 13deg to 50deg after 48 hours.
Starting Page	154
Ending Page	160
File Size	724144
Page Count	7
File Format	PDF
ISBN	1424406641
DOI	10.1109/EPTC.2006.342708
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-12-06
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Indium tin oxide Printing Ink Surface morphology Surface treatment Plasma properties Rough surfaces Surface roughness Substrates Surface resistance
Content Type	Text
Resource Type	Article

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