Field effect transistors with organic semiconductor layers assembled from aqueous colloidal nanocomposites

We demonstrate field effect transistors based on organic semiconductor molecules dispersed in a self-organized polystyrene (PS) latex bead matrix. An aqueous colloidal composite made of PS and tetrahexylsexithiophene (H4T6) is deposited with a micropipet into the channel of a bottom-contact field ef...

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Bibliographische Detailangaben
Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 23(2007), 4 vom: 13. Feb., Seite 2030-6
1. Verfasser: Dionigi, Chiara (VerfasserIn)
Weitere Verfasser: Stoliar, Pablo, Porzio, William, Destri, Silvia, Cavallini, Massimiliano, Bilotti, Ivano, Brillante, Aldo, Biscarini, Fabio
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 0 |a Field effect transistors with organic semiconductor layers assembled from aqueous colloidal nanocomposites 
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520 |a We demonstrate field effect transistors based on organic semiconductor molecules dispersed in a self-organized polystyrene (PS) latex bead matrix. An aqueous colloidal composite made of PS and tetrahexylsexithiophene (H4T6) is deposited with a micropipet into the channel of a bottom-contact field effect transistor. The beads self-organize into a network whose characteristic distances are governed by their packing. The semiconductor molecules crystallize in the interstitial voids, leading to the growth of large interconnected domains. Depending on the bead size and the ratio between H4T6 and PS, the fraction of the different phases in the polymorph can be controlled. In the transistors where the H4T6 metastable "red phase" is the largest, the device response and the charge mobility are comparable to those of sexithienyl thin films grown by high-vacuum sublimation 
650 4 |a Journal Article 
700 1 |a Stoliar, Pablo  |e verfasserin  |4 aut 
700 1 |a Porzio, William  |e verfasserin  |4 aut 
700 1 |a Destri, Silvia  |e verfasserin  |4 aut 
700 1 |a Cavallini, Massimiliano  |e verfasserin  |4 aut 
700 1 |a Bilotti, Ivano  |e verfasserin  |4 aut 
700 1 |a Brillante, Aldo  |e verfasserin  |4 aut 
700 1 |a Biscarini, Fabio  |e verfasserin  |4 aut 
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