Correlation between crystal structure and mobility in organic field-effect transistors based on single crystals of tetrathiafulvalene derivatives

Journal of the American Chemical Society
Marta Mas-TorrentConcepció Rovira

Abstract

Recently, it was reported that crystals of the organic material dithiophene-tetrathiafulvalene (DT-TTF) have a high field-effect charge carrier mobility of 1.4 cm(2)/(V x s). These crystals were formed by a simple drop-casting method, making this material interesting to investigate for possible applications in low-cost electronics. Here, organic single-crystal field-effect transistors based on materials related to DT-TTF are presented and a clear correlation between the crystal structure and the electrical characteristics is observed. The observed relationship between the mobilities in the different crystal structures is strongly corroborated by calculations of both the molecular reorganization energies and the maximum intermolecular transfer integrals. The most suitable materials described here exhibit mobilities that are among the highest reported for organic field-effect transistors and that are the highest reported for solution-processed materials.

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Citations

Mar 23, 2011·Chemical Reviews·Marta Mas-Torrent, Concepció Rovira
Sep 2, 2011·Journal of the American Chemical Society·Ian D TevisSamuel I Stupp
Sep 19, 2012·Journal of the American Chemical Society·Nicola J KayRichard J Nichols
Feb 12, 2009·Journal of the American Chemical Society·Yiqun ZhangMinghua Liu
Feb 5, 2009·Journal of the American Chemical Society·Anna S MolinariAlberto F Morpurgo
Mar 12, 2011·The Journal of Organic Chemistry·Yulia A GetmanenkoSeth R Marder
Dec 6, 2012·ACS Nano·Benjamin Z CvetkovićPetra S Dittrich
Jul 24, 2010·Nature Chemistry·Eric L Spitler, William R Dichtel
Mar 26, 2008·Chemical Society Reviews·Marta Mas-Torrent, Concepció Rovira
Oct 1, 2008·Physical Chemistry Chemical Physics : PCCP·David L Cheung, Alessandro Troisi
May 8, 2009·Physical Chemistry Chemical Physics : PCCP·J C Sancho-García, A J Pérez-Jiménez
Jul 8, 2010·Physical Chemistry Chemical Physics : PCCP·J C Sancho-GarcíaJ Cornil
Feb 10, 2011·Physical Chemistry Chemical Physics : PCCP·Hui-xue LiQiang Shi
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Jul 17, 2010·The Journal of Chemical Physics·WeiWei ZhangYi Zhao
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