Fabrication of polymer-based electronic circuits using photolithography

Alexander A. Zakhidov, Hon Hang Fong, John A. Defranco, Jin Kyun Lee, Priscilla G. Taylor, Christopher K. Ober, George G. Malliaras, Mingqian He, Michael G. Kane

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

We exploited the concept of solvent orthogonality to enable photolithography for high-resolution, high-throughput fabrication of electronic circuits based on a polymeric semiconductor. An array of ring oscillators utilizing top contact polymer thin film transistors with 1 m channel length has been fabricated on a 100 mm wafer scale. We used high performance, air stable poly(2,5-bis(thiophene-2-yl)-(3,7-ditri-decanyltetrathienoacene) as our active semiconducting material. Owing to the small channel length and small overlap length, these devices have a signal propagation delay as low as 7 s/stage.

Original languageEnglish
Article number183308
JournalApplied Physics Letters
Volume99
Issue number18
DOIs
StatePublished - 31 Oct 2011
Externally publishedYes

Bibliographical note

Funding Information:
A.A.Z. and H.H.F. contributed equally to this work. We gratefully acknowledge support from the National Science Foundation (Materials World Network DMR-0908994 and Center for NanoScale Systems EEC-0646547) and from Corning, Inc. The work was performed in part at the Cornell NanoScale Facility, a member of the National Nanotechnology Infrastructure Network, which is supported by the National Science Foundation (Grant No. ECS-0335765). A.A.Z. acknowledges support from the Alexander von Humboldt Foundation.

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