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Sb doped SnO2-decorated porous g-C3N4 nanosheet heterostructures with enhanced photocatalytic activities under visible light irradiation

[Display omitted] •A novel oxidized porous g-C3N4 nanosheets/Sb doped SnO2 particles heterojunction composite is constructed.•The composite shows much higher photocatalytic CO2 reduction activities than each monocomponent under visible light.•The composite shows much higher photocatalytic IPA oxidat...

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Bibliographic Details
Published in:Applied catalysis. B, Environmental Environmental, 2018-02, Vol.221, p.670-680
Main Authors: Yang, Liuqing, Huang, Jianfeng, Shi, Li, Cao, Liyun, Liu, Huimin, Liu, Yanyu, Li, Yunxiang, Song, Hui, Jie, Yanni, Ye, Jinhua
Format: Article
Language:English
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Summary:[Display omitted] •A novel oxidized porous g-C3N4 nanosheets/Sb doped SnO2 particles heterojunction composite is constructed.•The composite shows much higher photocatalytic CO2 reduction activities than each monocomponent under visible light.•The composite shows much higher photocatalytic IPA oxidation activities than each monocomponent under visible light.•Oxidized porous g-C3N4 nanosheets and Sb doped SnO2 particles heterojunction has been constructed in this composite.•Introduction of heterojunction constructed in this composite plays a key role in the enhanced photocatalysis. A novel Sb doped SnO2 decorated porous g-C3N4 nanosheet composite photocatalyst, which can be applied in photocatalytic reactions for CO2 reduction and gaseous iso-isopropanol (IPA) oxidation under visible light irradiation, is designed and synthesized. Results demonstrate that the intimate interfacial contact and heterojunction interaction between g-C3N4 and Sb doped SnO2 can significantly boost the photocatalytic efficiencies compared with individual g-C3N4 and Sb doped SnO2 due to the effective separation of photo-generated charge carriers.
ISSN:0926-3373
1873-3883
DOI:10.1016/j.apcatb.2017.09.041