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Issue 13, 2018
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Novel formation of Bi@BiFe-glycolate hollow spheres and their conversion into Bi2O3/BiFeO3 composite hollow spheres with enhanced activity and durability in visible photocatalysis

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Abstract

In recent years, materials with extraordinary hollow structures have been widely studied because of their enormous potential in many research fields such as in advanced energy conversion and storage. The design and synthesis of an innovative hollow structure via a facile method is the key to enhance the performance of advanced energy materials in various applications. In this study, we report novel hollow passion fruit-like Bi@BiFe-glycolate microspheres (3.5 μm), which are constructed using BiFe-glycolate nanosheets and Bi nanospheres. They are designed and synthesized via a facile one-pot solvothermal method, and a mechanism of “spit and swallow” process is presented to describe the reaction. Moreover, the Bi2O3/BiFeO3 photocatalyst obtained by annealing the Bi@BiFe-glycolate precursors under an air atmosphere exhibits enhanced photocatalytic activity and cycling stability under visible light irradiation due to its special morphology and band structure. The photocatalyst can also be recycled conveniently owing to its magnetic properties. In general, this study focuses on both nanomaterial synthetic methods and photocatalytic performance improvement.

Graphical abstract: Novel formation of Bi@BiFe-glycolate hollow spheres and their conversion into Bi2O3/BiFeO3 composite hollow spheres with enhanced activity and durability in visible photocatalysis

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Publication details

The article was received on 26 Feb 2018, accepted on 14 May 2018 and first published on 14 May 2018


Article type: Paper
DOI: 10.1039/C8NJ00949J
Citation: New J. Chem., 2018,42, 10697-10703
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    Novel formation of Bi@BiFe-glycolate hollow spheres and their conversion into Bi2O3/BiFeO3 composite hollow spheres with enhanced activity and durability in visible photocatalysis

    X. Yang, J. Meng, Y. Wang, Q. Meng, Y. Hu, A. Di, Y. Wu and G. Chen, New J. Chem., 2018, 42, 10697
    DOI: 10.1039/C8NJ00949J

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