期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 26, 期 4, 页码 238-246出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200400527
关键词
combinatorial techniques; conducting polymers; ink-jet printing; organic light-emitting diodes; PEDOT-PSS
Due to its capability of dispensing very small volumes of different liquids in a controlled manner, ink-jet printing is well suited for combinatorial experiments. The multi-nozzle ink-jet delivery system is especially advantageous for parallel chemical synthesis of different materials. We have used ink-jet printing of an oxidizing agent to pattern a pre-coated conducting polymer, poly(3,4-ethylenedioxy)thiophene-poly(styrene sulfonate) (PEDOT-PSS), yielding electrodes with predefined shapes and a controlled degree of sheet resistivity for use in gray-scale organic light-emitting devices (OLEDs). The electrical and optical properties of the PEDOT-PSS layer are modified via chemical interaction using the oxidizing agent. These experiments were performed using a desktop ink-jet printer in conjunction with common graphic software which employed color functions such as CMY (cyan, magenta and yellow), HSL (hue, saturation and luminosity) and RGB (red, green and blue).
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