Effect of Solvent and Dopant on Poly(3,4-ethylenedioxythiophene) Thin Films by Atomic Force Microscope Lithography
AMF anodization lithography was performed on organic thin films with conducting polymers which is poly(3,4-ethylenedioxythiophene). The conductivity of PEDOT thin films was changed by different dopants and organic solvents. Two different dopants are poly(4-styrenesulfonate) and di(2-ethylhexyl)-sulfosuccinate.
Also, DMF and IPA were used to prepare the PEDOT thin films doped with PSS and DEHS on silicon surface. The conductivities of these PEDOT variants were compared by obtaining their I–V curves between tip and thin films using AFM. Silicon oxide nanopatterns with higher aspect
ratios can be obtained from the films with higher conductivity.
Keywords: AFM LITHOGRAPHY; CONDUCTING POLYMER; POLY(3-4-ETHYLENEDIOXYTHIOPHENE)
Document Type: Research Article
Publication date: 01 September 2008
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