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Having it both ways: delicate hierarchical structure and robust mechanical stability on micro/nanomaterials with mesoporous silica coating

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Abstract

Mesoporous silica (meso-SiO2) was coated on the micro/nanomaterials with hierarchical structure such as flowerlike Fe2O3, flowerlike MgO, SnO2 nanospheres, Co3O4 nanosheets and nanowires from a simple solution method. The structure of the nanomaterials and the silica coating before and after stirring in solution were characterizated by SEM and TEM. The results show that meso-SiO2 coating was an ideal method to enhance the structural stability of fragile nanomaterials. The catalysis stability of flowerlike MgO was also enhanced by the meso-SiO2 coating.

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Acknowledgments

We thank the financial supports from the National Basic Research Program of China (MOST 2013CB933000, 2014CB931802), National Natural Science Foundation of China (NSFC 51302008, 51502089), the Fundamental Research Funds for the Central Universities (2016MS03) and the Chinese Academy of Sciences.

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Authors and Affiliations

  1. Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, Bei**g Key Laboratory of Bio-inspired Energy Materials and Devices, School of Chemistry and Environment, Beihang University, Bei**g, 100191, People’s Republic of China

    Zhi-Min Cui & **g Hao

  2. National Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Bei**g, 100190, People’s Republic of China

    Chang-Yan Cao & Weiguo Song

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  1. Zhi-Min Cui
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  2. **g Hao
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  4. Weiguo Song
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Correspondence to Zhi-Min Cui or Weiguo Song.

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Cui, ZM., Hao, J., Cao, CY. et al. Having it both ways: delicate hierarchical structure and robust mechanical stability on micro/nanomaterials with mesoporous silica coating. J Porous Mater 24, 103–108 (2017). https://doi.org/10.1007/s10934-016-0242-8

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  • DOI: https://doi.org/10.1007/s10934-016-0242-8

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