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Issue 29, 2009
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Delicate control of crystallographic facet-oriented Cu2O nanocrystals and the correlated adsorption ability

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Abstract

In this work, we demonstrate the systematic and delicate geometry control of Cu2O nanocrystals by taking advantage of the selective surface stabilization effect. A variety of Cu2O architectures, evolved from cubes through truncated cubes, cubooctahedrons, truncated octahedrons and finally to octahedrons, were achieved by simply adjusting the added PVP. Based on the understanding of the intrinsic structural features of the cuprite Cu2O and PVP, we elucidated the underlying shape evolution mechanism. The as-prepared products demonstrated a crystallography-dependent adsorption ability with methyl orange (MeO) as the pollutant. With the advantage of a low cost, high yield and straightforward procedure without pre-formed crystals as sacrificial templates, this method may provide a good starting point for the study of shape construction and morphology-dependent properties of other nanocrystals.

Graphical abstract: Delicate control of crystallographic facet-oriented Cu2O nanocrystals and the correlated adsorption ability

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Publication details

The article was received on 18 Sep 2008, accepted on 08 May 2009 and first published on 12 Jun 2009


Article type: Paper
DOI: 10.1039/B816349A
Citation: J. Mater. Chem., 2009,19, 5220-5225
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    Delicate control of crystallographic facet-oriented Cu2O nanocrystals and the correlated adsorption ability

    D. Zhang, H. Zhang, L. Guo, K. Zheng, X. Han and Z. Zhang, J. Mater. Chem., 2009, 19, 5220
    DOI: 10.1039/B816349A

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