Facile Fabrication of CeO2-Al2O3 Hollow Sphere with Atomically Dispersed Fe via Spray Pyrolysis

  • Xin-Pu Fu
    Xin-Pu Fu
    Key Laboratory for Colloid and Interface Chemistry, Key Laboratory of Special Aggregated Materials, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
    More by Xin-Pu Fu
  • Wen-Zhu Yu
    Wen-Zhu Yu
    Key Laboratory for Colloid and Interface Chemistry, Key Laboratory of Special Aggregated Materials, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
    More by Wen-Zhu Yu
  • Meng-Yuan Li
    Meng-Yuan Li
    Key Laboratory for Colloid and Interface Chemistry, Key Laboratory of Special Aggregated Materials, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
    More by Meng-Yuan Li
  • Rui Si*
    Rui Si
    Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, China
    *Email: [email protected]
    More by Rui Si
  • Chao Ma*
    Chao Ma
    College of Materials Science and Engineering, Hunan University, Changsha 410082, China
    *Email: [email protected]
    More by Chao Ma
  • , and 
  • Chun-Jiang Jia*
    Chun-Jiang Jia
    Key Laboratory for Colloid and Interface Chemistry, Key Laboratory of Special Aggregated Materials, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
    *Email: [email protected]
Cite this: Inorg. Chem. 2021, 60, 7, 5183–5189
Publication Date (Web):March 25, 2021
https://doi.org/10.1021/acs.inorgchem.1c00194
Copyright © 2021 American Chemical Society
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Abstract

A facile spray pyrolysis method is introduced to construct the hollow CeO2-Al2O3 spheres with atomically dispersed Fe. Only nitrates and ethanol were involved during the one-step preparation process using the ultrasound spray pyrolysis approach. Detailed explorations demonstrated that differences in the pyrolysis temperature of the precursors and heat transfer are crucial to the formation of the hollow nanostructure. In addition, iron species were in situ atomically dispersed on the as-formed CeO2-Al2O3 hollow spheres via this strategy, which demonstrated promising potential in transferring syn-gas to valuable gasoline products.

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  • Experimental details, additional TEM images, and XRD and XPS results (PDF)

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