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Issue 15, 2017
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Facile fabrication of a CoO/g-C3N4 p–n heterojunction with enhanced photocatalytic activity and stability for tetracycline degradation under visible light

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Abstract

Since the misuse and overuse of tetracycline (TC) increase the pollution of aqueous solution, it is highly desirable to develop highly effective, stable, eco-friendly, economical, and facile photocatalysts for the photocatalytic degradation of TC in an aqueous solution. Herein, we designed and synthesized a highly efficient CoO/g-C3N4 p–n heterojunction via a facile solvothermal method. The experimental results demonstrated that after the coupling of CoO with g-C3N4, CoO nanoparticles were uniformly distributed on the surface of wrinkled g-C3N4 layers not only to readily form a p–n heterjunction, but also to avert the aggregation; and the CoO/g-C3N4 p–n heterojunction photocatalysts exhibited superior visible-light photocatalytic activity and stability for the removal of TC. The high photocatalytic activity could be attributed to the generation of an internal electric field induced by the p–n heterojunctions, effectively promoting the separation of photoinduced charge.

Graphical abstract: Facile fabrication of a CoO/g-C3N4 p–n heterojunction with enhanced photocatalytic activity and stability for tetracycline degradation under visible light

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Publication details

The article was received on 15 May 2017, accepted on 30 Jun 2017 and first published on 30 Jun 2017


Article type: Paper
DOI: 10.1039/C7CY00960G
Citation: Catal. Sci. Technol., 2017,7, 3325-3331
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    Facile fabrication of a CoO/g-C3N4 p–n heterojunction with enhanced photocatalytic activity and stability for tetracycline degradation under visible light

    F. Guo, W. Shi, H. Wang, M. Han, H. Li, H. Huang, Y. Liu and Z. Kang, Catal. Sci. Technol., 2017, 7, 3325
    DOI: 10.1039/C7CY00960G

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