Abstract
Novel β-Bi2O3 crystals with nanoring and nanoplate surperstructures, which are composed of porous nanoparticles with mean pore diameter of 8 nm, were produced via a facile soft chemistry route of solvent refluxing technique. Most of the rings have the average inner diameter of 200 nm and the mean rim thickness of 20 nm. Photoluminescence spectra of the nanorings at room temperature were investigated, which demonstrated that the rings presented excellent optical properties. The influence of aging time on the morphology and structure of β-Bi2O3 superstructures was also studied, indicating that the nanoring superstructures transformed into nanoplates after a long aging time. The formation mechanism of the β-Bi2O3 superstructures was also explored. This approach will be further extended to solvent-controlled fabrication of related oxides with novel complex superstructures.
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Acknowledgments
This work is supported by the National Science Foundation of China (91022032, 20871001, 50973001, 31070730), the Research Fund for the Doctoral Program of Higher Education of China (20070357002), the Science Foundation for Excellent Youth Scholars of Higher Education of Anhui Province (2009SQRZ023), 211 Project of Anhui University (2009QN012A, 33190056), and the Key Laboratory of Environment friendly Polymer Materials of Anhui Province.
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Wu, Z., Huang, F., Shen, Y. et al. Facile fabrication and optical property of β-Bi2O3 with novel porous nanoring and nanoplate superstructures. J Nanopart Res 13, 4575–4582 (2011). https://doi.org/10.1007/s11051-011-0417-9
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DOI: https://doi.org/10.1007/s11051-011-0417-9