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Anatase Inverse Opal: Preparation and Electrochemical Properties

Published online by Cambridge University Press:  15 March 2011

Marketa Zukalova ,
Martin Kalbac ,
Ladislav Kavan  and
J. Heyrovsky
Marketa Zukalova
Affiliation:
Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Dolejskova 3, CZ-182 23, Prague 8, Czech Republic
Martin Kalbac
Affiliation:
Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Dolejskova 3, CZ-182 23, Prague 8, Czech Republic
Ladislav Kavan
Affiliation:
Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Dolejskova 3, CZ-182 23, Prague 8, Czech Republic
J. Heyrovsky
Affiliation:
Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Dolejskova 3, CZ-182 23, Prague 8, Czech Republic
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Abstract

Anatase inverse opal was synthesized both in the powder form and in the thin layer by means of templating with latex spheres. The voids between close-packed latex particles were filled via deposition from the titanium (IV) isopropoxide solution, electrochemical deposition from the solution of TiCl3, and liquid phase deposition from the (NH4)2TiF6 solution. The resulting material exhibited a regular fcc ordering of macropores surrounded with the framework consisting of the anatase nanocrystallites of 20 nm in size. Electrochemical performance for lithium insertion of anatase inverse opal was sluggish compared to that of non-templated anatase with more dense packing of nanocrystals.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 820: Symposia O/R – Nanoengineered Assemblies and Advanced Micro/Nanosystems , 2004 , R5.3
Copyright
Copyright © Materials Research Society 2004

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