Droplet manipulation by an external electric field for crystalline film growth

Combining droplet manipulation by the application of an electric field with inkjet printing is proposed as a unique technique to control the surface wettability of substrates for solution-processed organic field-effect transistors (FETs). With the use of this technique, uniform thin films of 2,7-dio...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 29(2013), 30 vom: 30. Juli, Seite 9592-7
1. Verfasser: Komino, Takeshi (VerfasserIn)
Weitere Verfasser: Kuwabara, Hirokazu, Ikeda, Masaaki, Yahiro, Masayuki, Takimiya, Kazuo, Adachi, Chihaya
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Combining droplet manipulation by the application of an electric field with inkjet printing is proposed as a unique technique to control the surface wettability of substrates for solution-processed organic field-effect transistors (FETs). With the use of this technique, uniform thin films of 2,7-dioctyl[1]benzothieno[2,3,-b][1]benzothiopene (C8-BTBT) could be fabricated on the channels of FET substrates without self-assembled monolayer treatment. High-speed camera observation revealed that the crystals formed at the solid/liquid interface. The coverage of the crystals on the channels depended on the ac frequency of the external electric field applied during film formation, leading to a wide variation in the carrier transport of the films. The highest hole mobility of 0.03 cm(2) V(-1) s(-1) was obtained when the coverage was maximized with an ac frequency of 1 kHz 
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700 1 |a Kuwabara, Hirokazu  |e verfasserin  |4 aut 
700 1 |a Ikeda, Masaaki  |e verfasserin  |4 aut 
700 1 |a Yahiro, Masayuki  |e verfasserin  |4 aut 
700 1 |a Takimiya, Kazuo  |e verfasserin  |4 aut 
700 1 |a Adachi, Chihaya  |e verfasserin  |4 aut 
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