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

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      Author(s)
      Yang, X.
      Zhou, Y.
      Yu, X.
      Demir, Hilmi Volkan
      Sun, X. W.
      Date
      2011
      Source Title
      Journal of Materials Chemistry
      Print ISSN
      0959-9428
      Publisher
      The Royal Society of Chemistry
      Volume
      21
      Issue
      25
      Pages
      9009 - 9013
      Language
      English
      Type
      Article
      Item Usage Stats
      190
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      144
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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 mu m 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.
      Keywords
      Photoluminescence properties
      Interfacial polymerization
      Facile synthesis
      Energy-transfer
      Drug-delivery
      Spheres
      Nanoparticles
      Route
      Luminescence
      Particles
      Permalink
      http://hdl.handle.net/11693/12210
      Published Version (Please cite this version)
      http://dx.doi.org/ 10.1039/C1JM10458F
      Collections
      • Department of Electrical and Electronics Engineering 3702
      • Department of Physics 2397
      • Institute of Materials Science and Nanotechnology (UNAM) 1930
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