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A novel efficient g-C3N4@BiOI p–n heterojunction photocatalyst constructed through the assembly of g-C3N4 nanoparticles

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Abstract

An efficient and facile method to fabricate a surficial dispersive heterojunction based on the assembly of g-C3N4 nanoparticles was proposed. A p–n nano heterojunction composed of BiOI and g-C3N4 was constructed by simply loading g-C3N4 nanoparticles on flower-like BiOI nanosheets. The structure-dependent optical, electronic and photoelectric properties were investigated, and the structure–property relationship was discussed. The results show that the g-C3N4 nanoparticles are uniformly loaded on the surface of BiOI nanosheets and thus form a p–n heterojunction with an intimate interface. The as-prepared samples exhibit enhanced photocatalytic degradation ability towards MO under visible-light irradiation. With the unique structure and morphology, enhanced visible-light photocatalytic activities are achieved owing to the synergistic effect of light harvesting, high transfer efficiency and enhanced separation efficiency of photo-generated carriers.

Graphical abstract: A novel efficient g-C3N4@BiOI p–n heterojunction photocatalyst constructed through the assembly of g-C3N4 nanoparticles

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Publication details

The article was received on 05 Apr 2018, accepted on 20 Apr 2018 and first published on 26 Apr 2018


Article type: Paper
DOI: 10.1039/C8DT01322E
Citation: Dalton Trans., 2018, Advance Article
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    A novel efficient g-C3N4@BiOI p–n heterojunction photocatalyst constructed through the assembly of g-C3N4 nanoparticles

    Z. You, C. Wu, Q. Shen, Y. Yu, H. Chen, Y. Su, H. Wang, C. Wu, F. Zhang and H. Yang, Dalton Trans., 2018, Advance Article , DOI: 10.1039/C8DT01322E

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