Low-voltage pentacene transistor inverters using micro-contact printed nano-layer
- Authors
- Lee, Kwang H.; Oh, Min Suk; Lee, Byoung H.; Sung, Myung M.; Im, Seongil
- Issue Date
- Jan-2010
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- JOURNAL OF MATERIALS CHEMISTRY, v.20, no.4, pp 663 - 665
- Pages
- 3
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- JOURNAL OF MATERIALS CHEMISTRY
- Volume
- 20
- Number
- 4
- Start Page
- 663
- End Page
- 665
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/193892
- DOI
- 10.1039/b922675c
- ISSN
- 0959-9428
1364-5501
- Abstract
- We report on low-voltage inverters with two pentacene-based thin-film transistors (TFTs), one of which has been fabricated on a dielectric surface selected by micro-contact printing (mu CP). When a self-assembled monolayer (SAM) of 7-octenyltrichlorosilane (7-OTS) was printed on AlOx dielectric oxide, the TFT with the mu CP-SAM displayed a large threshold voltage (V-th) shift (3 V shift under -5 V operation), increased device current, and clearly changed pentacene surface morphology as compared to those of the other TFT without mu CP-SAM. Those results are attributed to the 7-OTS-modified pentacene/AlOx interface. Our inverter, composed of two TFTs with and without mu CP-SAM, shows a high gain of similar to 50 at a supply voltage (V-DD) of -20 V.
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