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The calculation of the optimum pH range for synthesizing BST nanopowders by sol–gel auto-combustion process

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Abstract

The optimum pH range for synthesizing barium strontium titanate (Ba0.5Sr0.5TiO3, BST) nanopowders by sol–gel auto-combustion method was calculated based on the principles of matter balance and charge balance. The effectiveness of the calculation was proved by the successful synthesis of highly dispersive, spherically shaped and pure BST nanoparticles with setting the pH in the range pre-decided by theoretical evaluation. Ours might have provided an effective path for pre-deciding the solution pH in synthesizing various oxide nanopowders by sol–gel auto-combustion method.

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Acknowledgements

This work was supported by National Natural Science Foundation of China (No. 10574112). Guangxi Natural Science Fund, China (Grant No. 0832257) and the Research Foundation of Education Bureau of Guangxi Province, China (Grant No. 200708LX333).

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Authors and Affiliations

  1. Department of Materials and Chemistry Engineering, Guilin University of Technology, Guilin, 541004, China

    Shun Hua Xiao

  2. Foreign Language Department, Guilin University of Technology, Guilin, 541004, China

    Jin Hu

  3. School of Science, Beijing University of Chemical Technology, Beijing, 100029, China

    Hai Jun Xu

  4. Department of Mathematics and Information Science, North China Institute of Water Conservancy and Hydroelectric Power , Zhengzhou, 450011, China

    Wei Fen Jiang

  5. Department of Physics and Laboratory of Materials Physics, Zhengzhou University, Zhengzhou, 450052, China

    Xin Jian Li

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  1. Shun Hua Xiao
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  2. Jin Hu
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  3. Hai Jun Xu
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  4. Wei Fen Jiang
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  5. Xin Jian Li
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Correspondence to Shun Hua Xiao.

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Xiao, S.H., Hu, J., Xu, H.J. et al. The calculation of the optimum pH range for synthesizing BST nanopowders by sol–gel auto-combustion process. J Sol-Gel Sci Technol 49, 166–169 (2009). https://doi.org/10.1007/s10971-008-1852-7

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  • DOI: https://doi.org/10.1007/s10971-008-1852-7

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