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Issue 16, 2017
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Bi metal-modified Bi4O5I2 hierarchical microspheres with oxygen vacancies for improved photocatalytic performance and mechanism insights

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Abstract

In this work, we firstly synthesized metallic Bi-modified Bi4O5I2 nanocomposites with oxygen vacancies via a facile one-pot solvothermal method. The deposited Bi metal and oxygen vacancies endowed the Bi/Bi4O5I2 samples with dramatically enhanced photocatalytic performance for degradation of bisphenol A (BPA) and methyl orange (MO) under visible light irradiation. In particular, the improved photocatalytic activity can be ascribed to the synergistic effect of Bi metal and oxygen vacancies, which resulted in their efficient light harvesting properties and excellent charge separation ability. The photocatalytic mechanism of Bi/Bi4O5I2 for organics degradation was demonstrated. This work could shed light on exploring high photocatalytic performance materials and stimulating the development of non-noble metal/BixOyIz photocatalysts, which would also contribute to advancement in environmental remediation and energy exploitation.

Graphical abstract: Bi metal-modified Bi4O5I2 hierarchical microspheres with oxygen vacancies for improved photocatalytic performance and mechanism insights

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Publication details

The article was received on 03 Jun 2017, accepted on 14 Jul 2017 and first published on 17 Jul 2017


Article type: Paper
DOI: 10.1039/C7CY01112A
Citation: Catal. Sci. Technol., 2017,7, 3580-3590
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    Bi metal-modified Bi4O5I2 hierarchical microspheres with oxygen vacancies for improved photocatalytic performance and mechanism insights

    X. Liu, X. Xiong, S. Ding, Q. Jiang and J. Hu, Catal. Sci. Technol., 2017, 7, 3580
    DOI: 10.1039/C7CY01112A

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