Two-dimensional polyaniline thin film electrodeposited on a self- assembled monolayer

Iva Turyan, Daniel Mandler*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

73 Scopus citations


A two-dimensional conducting polyaniline (PAN) monolayer has been formed on an electrically insulating monolayer. The approach is based on the electrochemical polymerization of surface-confined anilinium ions that were electrostatically attached to a negatively charged self-assembled monolayer of ω-mercaptodecanesulfonate (MDS), HS(CH2)10SO3/-, on a gold surface. The formation and characterization of the two-dimensional film and the MDS monolayer have been examined by cyclic voltammetry, Fourier transform IR spectroscopy, X-ray photoelectron spectroscopy, wettability, and scanning electrochemical microscope. The formation of a capacitor-like assembly, in which electron transfer was blocked between PAN and the gold surface; was accomplished by electrochemically incorporating hexadecanethiol (C16) into the MDS monolayer. The PAN monolayer exhibits properties similar to those of a thin polymer film.

Original languageAmerican English
Pages (from-to)10733-10742
Number of pages10
JournalJournal of the American Chemical Society
Issue number41
StatePublished - 21 Oct 1998


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