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PREPARATION AND CHARACTERIZATION OF THIN CONDUCTIVE POLYMER FILMS ON THE BASE OF PEDOT:PSS BY INK-JET PRINTING
Authors: Peřinka Nikola | Kim C. H. | Bonnassieux Y.
Year: 2012
Type of publication: ostatní - článek ve sborníku
Name of source: Book of Abstracts 10th International Conference Solid State Chemistry 2012
Publisher name: Univerzita Pardubice
Place: Pardubice
Page from-to: 97-97
Titles:
Language Name Abstract Keywords
eng PREPARATION AND CHARACTERIZATION OF THIN CONDUCTIVE POLYMER FILMS ON THE BASE OF PEDOT:PSS BY INK-JET PRINTING Owing to its high application potential, the printed functional layers and devices on flexible substrates attract attention of many scientists, in the last few years. Many functional materials on the base of inorganic and organic compounds are already available and new ones are still being developed. Very promising area is represented by so called conductive polymers (polyaniline, polythiophene or polypyrroles, etc.). These conductive polymers are supposed to be applied for the manufacturing of flexible organic or hybrid electronic devices (e.g. transistors, displays, photovoltaic cells, etc.). Currently, the most widespread conductive polymer is so called PEDOT:PSS [poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate)], which is derivate of polythiophene. A widely used technique for the deposition of this conductive polymer is spin-coating. Since the spin-coating technique is not capable of the fine structure pattering (e.g. electrode systems for organic devices), in some cases, different techniques are strongly required. This work shows the development of the testing structure system to assess and to characterize the fine patterns of PEDOT:PSS, which could be potentially used for the fabrication of organic field-effect transistors by means of the inkjet printing technique. For the printing, the printer Dimatix DMP-2831 and commercially available dispersions on the base of PEDOT:PSS polymeric complex were used. The testing structures were deposited on various substrates; the transparent flexible polymer foils Melinex ST 504 (polyethylenterephtalate) and Teonex Q83 (polyethylenenaphtalene) and also on the glass substrate. The deposition process was optimized and the most suitable printing parameters were found. The influence of the change of printing parameters, substrate and its treatment are discussed. After the deposition, the prepared deposited layers were additionally completed by metallic contacts and further electrically characterized. PEDOT:PSS, Ink-jet Printing, conducting structures

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