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Reference: Ding, Z, Abbas, GA, Assender, HE et al., (2013). Improving the performance of organic thin film transistors formed on a vacuum flash-evaporated acrylate insulator. Applied physics letters, 103 (23), Article: 233301.Citable link to this page:

 

Improving the performance of organic thin film transistors formed on a vacuum flash-evaporated acrylate insulator

Abstract: A systematic investigation has been undertaken, in which thin polymer buffer layers with different ester content have been spin-coated onto a flash-evaporated, cross-linked diacrylate gate-insulator to form bottom-gate, top-contact organic thin-film transistors. The highest device mobilities, ∼0.65 cm2/V s and ∼1.00 cm2/V s for pentacene and dinaphtho[2,3-b:2′,3′-f]-thieno[3,2-b]thiophene (DNTT), respectively, were only observed for a combination of large-grain (∼1–2 μm) semiconductor morphology coupled with a non-polar dielectric surface. No correlation was found between semiconductor grain size and dielectric surface chemistry. The threshold voltage of pentacene devices shifted from −10 V to −25 V with decreasing surface ester content, but remained close to 0 V for DNTT.

Peer Review status:Peer reviewedPublication status:PublishedVersion:Publisher's version Funder: Engineering and Physical Sciences Research Council   Notes:Copyright 2013 AIP Publishing LLC. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Z. Ding et al., Appl. Phys. Lett. 103, 233301 (2013) and may be found at http://dx.doi.org/10.1063/1.4839275.

Bibliographic Details

Publisher: AIP Publishing LLC

Publisher Website: http://publishing.aip.org/

Journal: Applied physics letterssee more from them

Publication Website: http://scitation.aip.org/content/aip/journal/apl

Issue Date: 2013-12-2

pages:Article: 233301Identifiers

Urn: uuid:43b63a78-3418-4f6e-901b-40014cbb98f6

Source identifier: 446440

Doi: https://doi.org/10.1063/1.4839275

Issn: 0003-6951 Item Description

Type: Journal article;

Language: eng

Version: Publisher's versionKeywords: Acrylates Electric insulators and insulation Organic thin films Thin film transistorsSubjects: Materials Sciences Electronics Tiny URL: pubs:446440

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Autor: Ding, Z - institutionUniversity of Oxford Oxford, MPLS, Materials - - - Abbas, GA - institutionUniversity of Oxford Oxford, MPLS,

Fuente: https://ora.ox.ac.uk/objects/uuid:43b63a78-3418-4f6e-901b-40014cbb98f6



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