Issue 48, 2010
From the journal:

Journal of Materials Chemistry

Tuning the charge injection of P3HT-based organic thin-film transistors through electrode functionalization with oligophenylene SAMs†

Emanuele Orgiu,a   Núria Crivillers,a   Jürgen Rotzler,bc   Marcel Mayor*bc  and  Paolo Samorì*a  

* Corresponding authors

a Nanochemistry Laboratory, ISIS—CNRS 7006, Université de Strasbourg, 8 allée Gaspard Monge, Strasbourg, France
E-mail: samori@unistra.fr

b Department of Chemistry, University of Basel, 19 St Johannsring, Basel, Switzerland
E-mail: marcel.mayor@unibas.ch

c Karlsruhe Institute of Technology (KIT), Institute for Nanotechnology, P.O. Box 3640, Karlsruhe, Germany

Abstract

Field-effect mobility and threshold voltage are modulated by functionalizing gold electrodes with chemisorbed SAMs of aromatic thiols having an increasing number of phenylenes. The contact resistance in poly(3-hexylthiophene)-based TFTs was found to be ruled by the joint effect of the energetic alignment between metal and semiconductor, the interfacial morphology and tunneling resistance of the SAMs.

Graphical abstract: Tuning the charge injection of P3HT-based organic thin-film transistors through electrode functionalization with oligophenylene SAMs

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Article information

DOI
https://doi.org/10.1039/C0JM03363D
Article type
Communication
Submitted
03 Aug 2010
Accepted
18 Oct 2010
First published
08 Nov 2010

J. Mater. Chem., 2010,20, 10798-10800

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Tuning the charge injection of P3HT-based organic thin-film transistors through electrode functionalization with oligophenylene SAMs

E. Orgiu, N. Crivillers, J. Rotzler, M. Mayor and P. Samorì, J. Mater. Chem., 2010, 20, 10798 DOI: 10.1039/C0JM03363D

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