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Issue 23, 2015
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One-pot synthesis of Zn-doped SnO2 nanosheet-based hierarchical architectures as a glycol gas sensor and photocatalyst

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Abstract

Zn-doped SnO2 hierarchical architectures (ZSHAs) with controllable size have been prepared using a facile hydrothermal method, which are composed of two dimensional (2D) nanosheets with a thickness of about 40 nm. The properties of ZSHAs have been explored by gas sensing and photocatalysis testing. A sensor response (S = Ra/Rg) of 43 can be achieved at 100 ppm glycol, and the detection limit can reach down to the 5 ppm level with a response of about 5, combined with a low operating temperature of 240 °C, suggesting a promising application of ZSHAs in glycol gas sensing. Besides, the photocatalytic activities of ZSHAs have been evaluated by the degradation measurement of methylene blue (MB), methylene orange (MO), and rhodamine B (RhB). As a result, the ZSHAs demonstrate a much higher selectivity on the degradation of MB (91%) than that of MO (40%) and RhB (60%) in 60 min of measurement.

Graphical abstract: One-pot synthesis of Zn-doped SnO2 nanosheet-based hierarchical architectures as a glycol gas sensor and photocatalyst

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Publication details

The article was received on 17 Mar 2015, accepted on 05 May 2015 and first published on 05 May 2015


Article type: Paper
DOI: 10.1039/C5CE00546A
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CrystEngComm, 2015,17, 4394-4401

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    One-pot synthesis of Zn-doped SnO2 nanosheet-based hierarchical architectures as a glycol gas sensor and photocatalyst

    Q. Zhao, X. Deng, M. Ding, L. Gan, T. Zhai and X. Xu, CrystEngComm, 2015, 17, 4394
    DOI: 10.1039/C5CE00546A

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