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Fully Gravure-Printed Flexible Full Adder Using SWNT-Based TFTs
- Issue Date
- Nov-2012
- Publisher
- Institute of Electrical and Electronics Engineers
- Keywords
- Carbon nanotube thin-film transistor (TFT); flexible electronics; full adder; gravure; printed logic gates; process variation
- Citation
- IEEE Electron Device Letters, v.33, no.11, pp 1574 - 1576
- Pages
- 3
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- IEEE Electron Device Letters
- Volume
- 33
- Number
- 11
- Start Page
- 1574
- End Page
- 1576
- ISSN
- 0741-3106
1558-0563
- Abstract
- A single-walled carbon nanotube (SWNT)-based 1-b full-adder circuit was realized on flexible plastic substrates through an all gravure printing process by minimizing intertransistor process variation and leakage current between crossing interconnects. The circuit comprised 27 printed SWNT thin-film transistors, with a variation of up to only +/- 25% in electrical characteristics among them. Furthermore, the circuit showed a maximum propagation delay of 13.7 ms, with a 50-Hz input signal, and a supply voltage of -20 V. The process could be used for low-cost flexible arithmetic logic units in a variety of applications.
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