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Issue 108, 2016
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One-step solvothermal synthesis of Fe-doped BiOI film with enhanced photocatalytic performance

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Abstract

Ultrathin nanosheets consisting of Fe-doped BiOI were obtained on a FTO (SnO2:F) glass substrate via a simple solvothermal process. High-resolution transmission electron microscopic analysis indicates that the ultrathin nanosheets are exposed with {001} facets. The Fe-doped BiOI film has a higher photocatalytic activity for degrading Rhodamine B under visible light irradiation in comparison with the undoped BiOI films. The photocatalytic activity reached a maximum when the Fe doping concentration was 7%. It is believed that an optimal concentration of Fe3+ ions improves the electron–hole separation efficiency, hence improving the degradation rate of Rhodamine B. Scavenger test results indicate that the photo-generated h+ and ˙O2 play an important role in the degradation of Rhodamine B. A possible photocatalytic degradation mechanism for Rhodamine B by Fe-doped BiOI film is presented.

Graphical abstract: One-step solvothermal synthesis of Fe-doped BiOI film with enhanced photocatalytic performance

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Publication details

The article was received on 25 Aug 2016, accepted on 26 Oct 2016 and first published on 26 Oct 2016


Article type: Paper
DOI: 10.1039/C6RA21350B
Citation: RSC Adv., 2016,6, 106615-106624
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    One-step solvothermal synthesis of Fe-doped BiOI film with enhanced photocatalytic performance

    M. Wang, J. Gao, G. Zhu, N. Li, R. Zhu, X. Wei, P. Liu and Q. Guo, RSC Adv., 2016, 6, 106615
    DOI: 10.1039/C6RA21350B

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