Journal
ORGANIC ELECTRONICS
Volume 14, Issue 10, Pages 2401-2405Publisher
ELSEVIER
DOI: 10.1016/j.orgel.2013.06.010
Keywords
Organic inverter; Soft-contact lamination; Pentacene thin film transistors; Voltage tunable device; Pressure sensitive inverter
Funding
- GRRC program of Gyeonggi province [GRRC Gachon 2012-B03]
- Basic Science Research Program through the National Research Foundation of Korea(NRF)
- Ministry of Education [NRF-2010-0023145]
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A voltage tunable device which operates by external pressure based on a diode-connected load inverter is successfully fabricated by connecting two transistors adopting bridge-structured polymeric stamps with gold electrodes. When pressure is applied to the polymeric stamp in the drive transistor, the effective channel length between the source-drain electrodes decreases such that the source-drain current is increased and the voltage transfer curves of the inverter are shifted in the positive direction. Thus, a voltage tunable device (or a pressure sensitive inverter) is achieved, because the output voltage of the load inverter comes to have a corresponding relation with the applied pressure. In addition, the sensitivity of this pressure responsive device can be improved by changing the thickness of the polymeric stamp. (C) 2013 Elsevier B.V. All rights reserved.
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