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Electrochemical Synthesis of Lamellar Structured Inorganic Films Using Interfacial Surfactant Templating

Published online by Cambridge University Press:  26 February 2011

Kyoung-Shin Choi ,
Ellen M. P. Steinmiller  and
Matthew S. Yarger
Kyoung-Shin Choi
Affiliation:
[email protected], Purdue University, Chemistry, 560 Oval Drive, West Lafayette, IN, 47907, United States, 765-494-0049, 765-494-0239
Ellen M. P. Steinmiller
Affiliation:
[email protected], Purdue University, Chemistry, 560 Oval Drive, West Lafayette, IN, 47907, United States
Matthew S. Yarger
Affiliation:
[email protected], Purdue University, Chemistry, 560 Oval Drive, West Lafayette, IN, 47907, United States
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Abstract

Zinc oxide and cobalt hydroxide films with ordered lamellar structures were electrochemically produced via interfacial surfactant templating. This method utilizes interfacial amphiphile assemblies on a working electrode as a template to electrodeposit inorganic nanostructures. Surfactants with anionic head groups (e.g. sodium dodecyl sulfate, 1-hexadecanesulfonate sodium salt, dodecylbenzenesulfonate sodium salt, and dioctyl sulfosuccinate sodium salt) formed bilayer assemblies with Zn2+ and Co2+ ions on the working electrode and guided the lamellar growth of ZnO and Co(OH)2 films. In order to gain the ability to precisely tailor inorganic lamellar structures, the effect of co-solvent and type of working electrode on the repeat distances, homogeneity and orientation of the interfacial amphiphilic bilayers were investigated. The results described here will provide a useful foundation to design and optimize synthetic conditions for electrochemical construction of inorganic lamellar structures.

Keywords

nanostructureelectrodepositionself-assembly
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 972: Symposium AA – Solid-State Ionics—2006 , 2006 , 0972-AA05-07-QQ02-07
Copyright
Copyright © Materials Research Society 2007

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