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Effect of stabilizer on the morphology of Au@TiO2 spheres: a combined experimental and theoretical study

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Abstract

In this study, two different particle sizes of Au nanoparticles (NPs) were synthesized using two different stabilizers, and then two different morphologies Au@TiO2 hollow spheres were obtained when the corresponding Au NPs solutions were added to the TiF4 ethanol–water solution under hydrothermal condition. The computational simulation is employed to provide the fundamental support to explain why different stabilizers yield different sizes of Au NPs, and the main cause for the experimental observation is contributed by the different interactive forces between Au and stabilizer molecules. The experimental strategy adopted different stabilizer in this work is expected to be generally applicable for the synthesis of many other types of micro-nanostructured materials.

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Acknowledgement

This study was supported financially by the National Natural Science Foundation of China (Grant nos 51572261 and 51502311), China Postdoctoral Science Foundation (Grant no. 2015M571909) and Natural Science Foundation of Ningbo (Grant no. 2015A610087).

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    Authors and Affiliations

    1. National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, People’s Republic of China

      JIAN QI & QUAN JIN

    2. Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang, 315201, People’s Republic of China

      XUECHAO GAO

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    1. JIAN QI
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    Correspondence to JIAN QI.

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    Supplementary material pertaining to this article is available on the Bulletin of Materials Science website (www.ias.ac.in/matersci).

    J Q and X G contributed equally to this study.

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    QI, J., GAO, X. & JIN, Q. Effect of stabilizer on the morphology of Au@TiO2 spheres: a combined experimental and theoretical study. Bull Mater Sci 39, 1685–1690 (2016). https://doi.org/10.1007/s12034-016-1306-8

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