Engineering Optically Switchable Transistors with Improved Performance by Controlling Interactions of Diarylethenes in Polymer Matrices

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HOU, Lili, LEYDECKER, Tim, ZHANG, Xiaoyan, REKAB, Wassima, HERDER, Martin, CENDRA, Camila, HECHT, Stefan, MCCULLOCH, Iain, SALLEO, Alberto, ORGIU, Emanuele et SAMORÌ, Paolo, 2020. Engineering Optically Switchable Transistors with Improved Performance by Controlling Interactions of Diarylethenes in Polymer Matrices. Journal of the American Chemical Society. 2 juin 2020. Vol. 142, n° 25pp. 11050-11059. DOI 10.1021/jacs.0c02961.
Accès restreint (01-12-2020) Peer reviewed
Version acceptée pour publication (post-print auteur)
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Auteurs Lili Hou
Tim Leydecker
Xiaoyan Zhang
Wassima Rekab
Martin Herder
Camila Cendra
Stefan Hecht
Iain McCulloch
Alberto Salleo
Emanuele Orgiu
Paolo Samorì
Unité de recherche du site Université de Strasbourg, CNRS, ISIS, 8 alleé Gaspard Monge, 67000 Strasbourg, France
Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
Langue

en
Volume

142
Numéro

25
Page de début

11050
Page de fin

11059
Date de première publication

2020-06-02
ISSN

0002-7863
1520-5126
Titre de la source (revue, livre…)

Journal of the American Chemical Society
Résumé

The integration of photochromic molecules into semiconducting polymer matrices via blending has recently attracted a great deal of attention, as it provides the means to reversibly modulate the output signal of electronic devices by using light as a
Show moreThe integration of photochromic molecules into semiconducting polymer matrices via blending has recently attracted a great deal of attention, as it provides the means to reversibly modulate the output signal of electronic devices by using light as a remote control. However, the structural and electronic interactions between photochromic molecules and semiconducting polymers are far from being fully understood. Here we perform a comparative investigation by combining two photochromic diarylethene moieties possessing similar energy levels yet different propensity to aggregate with five prototypical polymer semiconductors exhibiting different energy levels and structural order, ranging from amorphous to semicrystalline. Our in-depth photochemical, structural, morphological, and electrical characterization reveals that the photoresponsive behavior of thin-film transistors including polymer/diarylethenes blends as the active layer is governed by a complex interplay between the relative position of the energy levels and the polymer matrix microstructure. By matching the energy levels and optimizing the molecular packing, high-performance optically switchable organic thin-film transistors were fabricated. These findings represent a major step forward in the fabrication of light-responsive organic devices.
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DOI 10.1021/jacs.0c02961
Titre abrégé de la source

J. Am. Chem. Soc.
Type de publication

ACL
Domaine

Chimie/Matériaux
Audience

International
Envoyer vers HAL

1
URL https://univoak.eu/islandora/object/islandora:96328