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Issue 25, 2011
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Bifunctional highly fluorescent hollow porous microspheres made of BaMoO4 : Pr3+ nanocrystalsvia a template-free synthesis

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Abstract

We report a bifunctional hollow porous microsphere composed of single-component BaMoO4 : Pr3+ nanocrystals by a facile template-free synthesis. All the as-synthesized hollow microspheres are well-dispersed with a diameter of 2–4 μm and the BaMoO4 : Pr3+ nanocrystals measure 30–60 nm in diameter. It is observed that there are a large amount of pores with an average diameter is 17.5 nm in the shell of these BaMoO4 : Pr3+ hollow microspheres, thereby exhibiting a great promise for drug delivery. Meanwhile, the strong, narrow-bandwidth red emission centered at 643 nm from these nanostructures can be efficiently excited from 430 nm to 500 nm. The combination of excellent luminescent properties and a hollow porous nanostructure suggest a great promise in the application of these nanostructures in lighting and displays, and in biomedicine such as targeted drug delivery, integrated imaging, diagnosis, and therapeutics. In addition, the template-free solution synthesis can be applied to the design and fabrication of other functional architectures.

Graphical abstract: Bifunctional highly fluorescent hollow porous microspheres made of BaMoO4 : Pr3+ nanocrystalsvia a template-free synthesis

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Publication details

The article was received on 29 Jan 2011, accepted on 22 Mar 2011 and first published on 20 Apr 2011


Article type: Paper
DOI: 10.1039/C1JM10458F
Citation: J. Mater. Chem., 2011,21, 9009-9013

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    Bifunctional highly fluorescent hollow porous microspheres made of BaMoO4 : Pr3+ nanocrystalsvia a template-free synthesis

    X. Yang, Y. Zhou, X. Yu, H. V. Demir and X. W. Sun, J. Mater. Chem., 2011, 21, 9009
    DOI: 10.1039/C1JM10458F

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