Issue 17, 2020

Green solvents for organic thin-film transistor processing

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

Supplementary files

Article information

Article type
Paper
Submitted
30 1 2020
Accepted
18 3 2020
First published
19 3 2020

J. Mater. Chem. C, 2020,8, 5786-5794

Author version available

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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