Directed electrodeposition of polymer films using spatially controllable electric field gradients

Erin L Ratcliff, Andrew C. Hillier

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We report a method for the directed electrodeposition of polymer films in various patterns using spatially controllable electric field gradients. One- and two- dimensional surface electric field gradients were produced by applying different potential values at spatially distinct locations on an electrode surface. Variations in the resulting local electrochemical potentials were used to spatially manipulate the rate of electrodeposition of several polymers. By controlling the electric field gradient in the presence of sequentially varying deposition solutions, complex polymer patterns could be produced. One-dimensional structures consisting of alternating bands of polyaniline and either poly(phenylene) oxide or poly(aminophenylene) oxide were produced, as well as more complex two-dimensional structures. Film characterization was achieved through optical imaging, UV-vis spectroscopy, and ellipsometry. Results indicate that this directed deposition technique is a simple strategy to create complex, millimeter-sized surface patterns of electrodeposited materials.

Original languageEnglish (US)
Pages (from-to)9905-9910
Number of pages6
JournalLangmuir
Volume23
Issue number19
DOIs
StatePublished - Sep 11 2007
Externally publishedYes

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Polymer films
Electrodeposition
electrodeposition
Electric fields
gradients
Oxides
electric fields
Polymers
polymers
oxides
Ellipsometry
Polyaniline
Ultraviolet spectroscopy
ellipsometry
Imaging techniques
Electrodes
electrodes
spectroscopy

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

Directed electrodeposition of polymer films using spatially controllable electric field gradients. / Ratcliff, Erin L; Hillier, Andrew C.

In: Langmuir, Vol. 23, No. 19, 11.09.2007, p. 9905-9910.

Research output: Contribution to journalArticle

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