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Issue 17, 2020
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Green solvents for organic thin-film transistor processing

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Abstract

In this study, we explored a wide range of green solvents to process the semiconductor layer TIPS-PEN (6,13-bis(triisopropylsilylethynyl)pentacene), as well as to demonstrate potential generality, using several p- and n-type organic semiconductors, for the fabrication of organic thin-film transistors (OTFTs). Our data demonstrate that several different solvents enable good semiconductor film-forming morphologies and optimized TIPS-PEN TFT mobilities of ∼0.5–2 cm2 V−1 s−1, thus surpassing those of toxic chlorinated options. Furthermore, we utilized a green cellulose cinnamate-gate dielectric to fabricate TIPS-PEN OTFTs, where both the semiconductor and the dielectric were processed using green solvents demonstrating the feasibility of a more sustainable OTFT technology.

Graphical abstract: Green solvents for organic thin-film transistor processing

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Article information


Submitted
30 Jan 2020
Accepted
18 Mar 2020
First published
19 Mar 2020

J. Mater. Chem. C, 2020,8, 5786-5794
Article type
Paper

Green solvents for organic thin-film transistor processing

D. Ho, J. Lee, S. Park, Y. Park, K. Cho, F. Campana, D. Lanari, A. Facchetti, S. Seo, C. Kim, A. Marrocchi and L. Vaccaro, J. Mater. Chem. C, 2020, 8, 5786
DOI: 10.1039/D0TC00512F

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