Title :
Threshold-voltage tuning characteristics of all-organic electrochemical vertical rectifiers on flexible substrates
Author_Institution :
Dept. of Sci. & Technol., Linkoping Univ., Sweden
fDate :
4/1/2006 12:00:00 AM
Abstract :
A printed all-organic electrochemical vertical tunable rectifier is demonstrated using a conducting polymer as the active material on a flexible plastic substrate. Solution processable poly(3,4-ethylenedioxythiophene) combined with poly(styrene sulfonic acid) (PEDOT:PSS) was coated on polyester film; the rectifier channel was patterned on the PEDOT:PSS film through directly writing technique without the need for masks, patterns, or dies. A vertically layered electrochemical cell was structured via printing and laminating processes to reduce driving voltages. The resulting rectifier is a three-terminal device; the functionality of threshold voltage tuning is realized by adjusting the potential difference within the electrochemical cell. The driving voltages are reduced significantly compared to rectifiers with lateral device architecture. In a single device, the threshold voltage is tunable between 0.16 and 1.0 V while a bias voltage is swept from 0.9 to 1.7 V.
Keywords :
conducting polymers; electrochemistry; electrolytic rectifiers; flexible electronics; polymer films; substrates; 0.9 to 1.7 V; PEDOT:PSS film; all-organic electrochemical vertical rectifiers; conducting polymers; electrochemical cell; flexible plastic substrate; flexible substrates; laminating process; poly(3,4-ethylenedioxythiophene) material; polyester films; polystyrene sulfonic acid; printing process; three-terminal device; threshold voltage tuning; writing technique; Conducting materials; Low voltage; OFETs; Organic materials; Polymers; Printing; Rectifiers; Semiconductor materials; Substrates; Threshold voltage; Conducting polymer; electrochemistry; flextronics; poly(3,4-ethylenedioxythiophene) (PEDOT); printing electronics; tunable device;
Journal_Title :
Electron Device Letters, IEEE
DOI :
10.1109/LED.2006.871850