Scalable Fabrication of Organic Single-Crystalline Wafers for Reproducible TFT Arrays.

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ID: 66552
2019
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Abstract
Building on significant developments in materials science and printing technologies, organic semiconductors (OSCs) promise an ideal platform for the production of printed electronic circuits. However, whether their unique solution-processing capability can facilitate the reliable mass manufacture of integrated circuits with reasonable areal coverage, and to what extent mass production of solution-processed electronic devices would allow substantial reductions in manufacturing costs, remain controversial. In the present study, we successfully manufactured a 4-inch (c.a. 100 mm) organic single-crystalline wafer via a simple, one-shot printing technique, on which 1,600 organic transistors were integrated and characterized. Owing to their single-crystalline nature, we were able to verify remarkably high reliability and reproducibility, with mobilities up to 10 cm V s, a near-zero turn-on voltage, and excellent on-off ratio of approximately 10. This work provides a critical milestone in printed electronics, enabling industry-level manufacturing of OSC devices concomitantly with lowered manufacturing costs.
Reference Key
kumagai2019scalablescientific Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Kumagai, Shohei;Yamamura, Akifumi;Makita, Tatsuyuki;Tsurumi, Junto;Lim, Ying Ying;Wakimoto, Takahiro;Isahaya, Nobuaki;Nozawa, Han;Sato, Kayoko;Mitani, Masato;Okamoto, Toshihiro;Watanabe, Shun;Takeya, Jun;
Journal Scientific reports
Year 2019
DOI
10.1038/s41598-019-50294-x
URL
Keywords
black-body absorption broadband carbon nanotube forest mid- and far-infrared photothermoelectric self-power

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