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Graphitic carbon nitride-based materials for photocatalytic reduction of U(VI)

Abstract

Photocatalytic reduction of U(VI) technology has broad application prospects in uranium recovery from seawater and uranium waste disposal because of its high efficiency, low cost, no pollution and high selectivity. Graphite carbon nitride (g-C3N4)-based materials have been regarded as an ideal photocatalyst for the photocatalytic reduction of U(VI) (PCRU) because of their appropriate bandgap, unique two dimensional (2D) layered structures, excellent physicochemical stability and outstanding optical properties. However, few systematic reported on visible light catalytic reduction of U(VI), especially about the process and mechanism of PCRU on graphitic carbon nitride-based materials. In this review, we systematically discuss the possible mechanism of PCRU. The PCRU using g-C3N4-based materials is reviewed in detail. On this basis, the g-C3N4-based materials broadly employed in PCRU are reviewed. Then, the factors affecting of the PCRU with g-C3N4-based materials is addressed. At last, the current difficulties and future prospects of g-C3N4-based materials on the PCRU are provided.

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Article information


Submitted
09 Sep 2020
Accepted
13 Oct 2020
First published
14 Oct 2020

New J. Chem., 2020, Accepted Manuscript
Article type
Perspective

Graphitic carbon nitride-based materials for photocatalytic reduction of U(VI)

W. Zhang, L. Li, Y. Gao and D. Zhang, New J. Chem., 2020, Accepted Manuscript , DOI: 10.1039/D0NJ04519E

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