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A series of cobalt oxide/mesoporous silica composites with diverse mesostructure was fabricated via a one-step process by using N-hexadecyl ethylenediamine triacetic acid (HED3A), a chelating surfactant, as structure-directing agent (SDA). The chelating template can capture cobalt ions in solution and then direct the mesophase formation, enables cobalt oxide nanoparticles to be confined and evenly...
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