Andreoli, Enrico and Rooney, Denise A. and Redington, Wynette and Gunning, Robert and Breslin, Carmel B.
Electrochemical deposition of hierarchical micro/nanostructures of
copper hydroxysulfates on polypyrrole-polystyrene sulfonate films.
Journal of Physical Chemistry C (115).
Copper-based hierarchical micro/nanostructures
were prepared using a novel electrochemical route on polypyrrole
-polystyrene sulfonate (PPy-PSS) thin films. The
resulting structures are composed of copper hydroxysulfates,
as confirmed by the electrochemical, spectroscopic, and X-ray
diffraction characterization. The electrochemistry of the film is a
key factor in the overall deposition of the micro/nanostructures.
The PPy-PSS films capture cations from the copper sulfate
electrolyte solution and facilitate the reduction of dissolved
oxygen to hydroxide ions. The system then acts like a nanoreactor as the Cu2+ and OH- ions are concentrated on the polymer
surface, which in the presence of the SO42- ions from the electrolyte solution results in the electrocrystallization of the copper
hydroxysulfates hierarchical structures.
||We thank Dr. Mircea Mondreanu, at the Tyndall National
Institute, University College Cork, for the ATR-IR analyses, and
Dr. Fathima Laffir and Dr. Serguei Belochapkine, at the Materials
and Surface Science Institute, University of Limerick, for the XPS
analyses.This work was supported by the Environmental Protection
Agency Ireland as part of the Science, Technology, Research and
Innovation for the Environment Programme financed by the Irish
Government. Additional funding was provided by the Science
Foundation Ireland through the National Access Programme of
the Tyndall National Institute, University College Cork.
||Electrochemical Deposition; Hierarchical Microstructures; Nanostructures; Copper Hydroxysulfates; Polypyrrole; Polystyrene Sulfonate Films;
||Science & Engineering > Chemistry
Dr. Carmel Breslin
||30 Jun 2011 10:45
|Journal or Publication Title:
||Journal of Physical Chemistry C
||American Chemical Society
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