Journal
IEEE ELECTRON DEVICE LETTERS
Volume 35, Issue 12, Pages 1245-1247Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LED.2014.2364514
Keywords
Printed complementary circuits; printed electronics; single-walled carbon nanotube; thin-film circuits; thin-film memory; zinc tin oxide
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Funding
- Office of Naval Research, Multidisciplinary University Research Initiative [N00014-11-1-0690]
- Division of Electrical, Communications and Cyber Systems, National Science Foundation [ECCS-1407932]
- National Science Foundation Graduate Research Fellowship
- Kwanjeong Educational Foundation
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We report clocked sequential complementary circuits that operate at 5 V in which the active semiconductors are deposited by inkjet printing. The p-channel thin-film transistors (TFTs) employ a network of predominantly semiconducting (>98%) single-walled carbon nanotubes and the n-channel TFTs employ amorphous zinc tin oxide formed from a printed precursor solution. The gate insulator material in both cases is zirconium oxide, deposited from solution. Edge triggered D flip-flops operate at clock speeds of 2.5 kHz. Our results suggest that this materials combination is promising for use in printed electronics.
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