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The combination of electrochemical process with a soft-template can be successfully used in preparing SrNb2O6 crystallites with different particle size and morphology. In the absence of organic additives, SrNb2O6 powders are irregular-shaped aggregates. The introduction of hexadecyl trimethyl ammonium bromide (CTAB) in electrolytic solution will guide SrNb2O6 primary grains to form homogeneous microspheres, but the presence of polyvinylpyrrolidone will weaken the aggregation effect of CTAB spherical micelles and tend to promote the formation of bunched SrNb2O6 microrods.
Date of Publication: August 2011