Issue 34, 2013
From the journal:

Journal of Materials Chemistry C

Correlation of mobility and molecular packing in organic transistors based on cycloalkyl naphthalene diimides†

Tomoyuki Kakinuma,a   Hirotaka Kojima,a   Minoru Ashizawa,a   Hidetoshi Matsumotoa  and  Takehiko Mori*ab  

* Corresponding authors

a Department of Organic and Polymeric Materials, Tokyo Institute of Technology, O-okayama 2-12-1, Meguro-ku, Tokyo 152-8552, Japan
E-mail: mori.t.ae@m.titech.ac.jp
Fax: +81-3-5734-2427
Tel: +81-3-5734-2427

b ACT-C, JST, Honcho, Kawaguchi, Saitama 332-0012, Japan

Abstract

A series of cycloalkyl-substituted naphthalene tetracarboxylic diimides (Cyn-NTCDIs, n = 3–8) are prepared and the transistor properties and molecular packings are systematically investigated. Cy5–Cy8-NTCDIs have similar brickwork structures, where two molecules are located on the top of a molecule with large displacement along the molecular short axis. The intermolecular overlap is maximized when the small slipping along the molecular long axis makes the molecules nearly perpendicular to the substrate. Consequently, the mobility decreases exactly in the same order as the interlayer d-spacings.

Graphical abstract: Correlation of mobility and molecular packing in organic transistors based on cycloalkyl naphthalene diimides

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Article information

DOI
https://doi.org/10.1039/C3TC30920G
Article type
Paper
Submitted
16 May 2013
Accepted
06 Jul 2013
First published
08 Jul 2013

J. Mater. Chem. C, 2013,1, 5395-5401

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Correlation of mobility and molecular packing in organic transistors based on cycloalkyl naphthalene diimides

T. Kakinuma, H. Kojima, M. Ashizawa, H. Matsumoto and T. Mori, J. Mater. Chem. C, 2013, 1, 5395 DOI: 10.1039/C3TC30920G

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