Patterning pentacene surfaces by local oxidation nanolithography

Sequential and parallel localoxidation nanolithographies have been applied to pattern pentacene samples by creating a variety of nanostructures. The sequential localoxidation process is performed with an atomic force microscope and requires the application of a sequence of voltage pulses of 36 V for 1 ms. The parallel localoxidation process is performed by using a conductive and patterned stamp. Then, a voltage pulse is applied between the stamp and the pentacenesurface. Patterns formed by arrays of parallel lines covering 1 mm2 regions and with a periodicity of less than 1 ?m have been generated in a few seconds. We also show that the patterns can be used as templates for the deposition of antibodies.