Advanced Materials

Cover image for Vol. 27 Issue 20

Cover Picture: Lithography-Free, Self-Aligned Inkjet Printing with Sub-Hundred-Nanometer Resolution (Adv. Mater. 8/2005)

17_08/2005The inherently low resolution of inkjet printing on unpatterned surfaces can be overcome by selective surface modification of a first printed pattern, resulting in hydrophobic repulsion of subsequently deposited aqueous polymer dispersions. This technique, reported by Sirringhaus and co-workers on p. 997, is capable of achieving sub-100  nm resolution without any lithographic step. The cover shows an array of polymer transistors patterned with this method on three different length scales, as well as a schematic of the process.

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