Patterned carbon nanotubes semitransparent electrodes

We report preliminary tests on the realization of a semitransparent contact based on carbon nanotubes (CNTs) realized on glass substrate. Using a “double-zone” chemical vapor deposition technique (CVD) to synthesize CNTs directly on glass substrates, conductive and partially transparent contacts have been realized. Then, through a laser etching process it was obtained a partial patterning of the metal catalyst that allowed achieving a transparency of the contacts above 75% in the visible spectrum with sheet resistances comparable to graphene growth with similar process. The reported technique is an initial step towards the realization of CVD based CNTs transparent contacts.