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Preparation and characterization of barium strontium titanate/silicon nanoporous pillar array composite thin films by a sol-gel method

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Abstract

Barium strontium titanate (Ba0.5Sr0.5TiO3, BST)/silicon nanoporous pillar array (Si-NPA) thin films were prepared by a spin-coating/annealing technique based on Si-NPA with micro/nano-structure. Both the isomer conversion of acetylacetone and the network structure combined by enol and Ti-alkoxide facilitate the formation of the BST sol and the subsequent crystallization. Before the perovskite BST begins to form, the intermediate phase (Ba,Sr)Ti2O5CO3 is found. The boundary between BST and Si-NPA is of clarity and little interface diffusion, disclosing that Si-NPA is an ideal template substrate in the preparation of multifunctional composite films.

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Authors and Affiliations

  1. College of Chemistry and Bioengineering, Key Laboratory of New Processing Technology for Nonferrous Metals and Materials (Ministry of Education), Guilin University of Technology, Guilin, 541004, China

    Shun-hua Xiao

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

    Wei-fen Jiang

Authors
  1. Shun-hua Xiao
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  2. Wei-fen Jiang
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Correspondence to Shun-hua Xiao.

Additional information

This study was financially supported by the Research Funds of Guangxi Key Laboratory of Information Materials, China (No.0710908-04-K), Guangxi Natural Science Fund, China (No.0832257), and the Research Funds of Education Bureau of Guangxi Province, China (No.200708LX333).

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Xiao, Sh., Jiang, Wf. Preparation and characterization of barium strontium titanate/silicon nanoporous pillar array composite thin films by a sol-gel method. Int J Miner Metall Mater 19, 762–767 (2012). https://doi.org/10.1007/s12613-012-0625-z

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  • DOI: https://doi.org/10.1007/s12613-012-0625-z

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