Drastic improvement in wettability of 6,13-bis(triisopropylsilylethynyl) pentacene by addition of silica nanoparticles for solution-processable organic field-effect transistors

Saori Yamazaki; Takashi Hamada; Takashi Nagase; Sakae Tokai; Masashi Yoshikawa; Takashi Kobayashi; Yoshiki Michiwaki; Seiji Watase; Mitsuru Watanabe; Kimihiro Matsukawa; Hiroyoshi Naito

doi:10.1143/APEX.3.091602

Drastic improvement in wettability of 6,13-bis(triisopropylsilylethynyl) pentacene by addition of silica nanoparticles for solution-processable organic field-effect transistors

Saori Yamazaki^*, Takashi Hamada, Takashi Nagase, Sakae Tokai, Masashi Yoshikawa, Takashi Kobayashi, Yoshiki Michiwaki, Seiji Watase, Mitsuru Watanabe, Kimihiro Matsukawa, Hiroyoshi Naito

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

It is essential to control the wettability of soluble organic semiconductors on polymer gate dielectrics to realize low-cost, flexible, and large-area electronic circuits employing organic field-effect transistors using solution processes. We find that the addition of a small amount of silica nanoparticles (SNPs) drastically improves the wettability of the soluble organic semiconductor of 6,13-bis(triisopropylsilylethynyl)pentacene onto the hydrophobic polymer gate dielectric of poly(methylsilsesquioxane) in the spin-coating process. The improvement in wettability by the addition of SNPs is also demonstrated in the ink-jet printing process, which allows the direct patterning of soluble organic semiconductors on polymer gate dielectrics.

Original language	English
Article number	091602
Journal	Applied Physics Express
Volume	3
Issue number	9
DOIs	https://doi.org/10.1143/APEX.3.091602
Publication status	Published - 2010 Sept
Externally published	Yes

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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Yamazaki, S., Hamada, T., Nagase, T., Tokai, S., Yoshikawa, M., Kobayashi, T., Michiwaki, Y., Watase, S., Watanabe, M., Matsukawa, K., & Naito, H. (2010). Drastic improvement in wettability of 6,13-bis(triisopropylsilylethynyl) pentacene by addition of silica nanoparticles for solution-processable organic field-effect transistors. Applied Physics Express, 3(9), [091602]. https://doi.org/10.1143/APEX.3.091602

Yamazaki, S, Hamada, T, Nagase, T, Tokai, S, Yoshikawa, M, Kobayashi, T, Michiwaki, Y, Watase, S, Watanabe, M, Matsukawa, K & Naito, H 2010, 'Drastic improvement in wettability of 6,13-bis(triisopropylsilylethynyl) pentacene by addition of silica nanoparticles for solution-processable organic field-effect transistors', Applied Physics Express, vol. 3, no. 9, 091602. https://doi.org/10.1143/APEX.3.091602

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AU - Tokai, Sakae

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AU - Kobayashi, Takashi

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Drastic improvement in wettability of 6,13-bis(triisopropylsilylethynyl) pentacene by addition of silica nanoparticles for solution-processable organic field-effect transistors

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