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Issue 5, 2015
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Photocatalytic enhancement of hybrid C3N4/TiO2 prepared via ball milling method

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Abstract

C3N4/TiO2 hybrid photocatalysts with highly enhanced photocatalytic performance were prepared by a facile ball milling method. A layered structure of g-C3N4 was formed on the surface of TiO2. The mechanochemical process can promote the dispersion of C3N4 on the surface of TiO2 particles, to form a single layer hybrid structure and a multi-layer core–shell structure. The photocatalytic activities of C3N4/TiO2 under visible and UV light irradiation were 3.0 and 1.3 times those of pure g-C3N4 and TiO2, respectively. Under visible light and UV irradiation, the photocurrent response was up to 2.5 times and 1.5 times as high as that of the pure TiO2 and C3N4, respectively. The evident performance enhancement of g-C3N4–TiO2 was mainly attributed to high separation and migration efficiency of electron–hole pairs.

Graphical abstract: Photocatalytic enhancement of hybrid C3N4/TiO2 prepared via ball milling method

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Publication details

The article was received on 08 Nov 2014, accepted on 09 Dec 2014 and first published on 09 Dec 2014


Article type: Paper
DOI: 10.1039/C4CP05173D
Phys. Chem. Chem. Phys., 2015,17, 3647-3652

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    Photocatalytic enhancement of hybrid C3N4/TiO2 prepared via ball milling method

    J. Zhou, M. Zhang and Y. Zhu, Phys. Chem. Chem. Phys., 2015, 17, 3647
    DOI: 10.1039/C4CP05173D

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