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Issue 7, 2020
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g-C3N4/Uio-66-NH2 nanocomposites with enhanced visible light photocatalytic activity for hydrogen evolution and oxidation of amines to imines

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Abstract

g-C3N4/Uio-66-NH2 (CNUIO) nanocomposites were prepared by growing an NH2-mediated zirconium-based metal–organic framework (Uio-66-NH2) in the presence of g-C3N4 nanotubes. CNUIO exhibited efficient photocatalytic performance in the oxidation of amines to imines and hydrogen production under visible light illumination. The optimal Uio-66-NH2 content in CNUIO was 16.7 wt% with a H2-generation rate of 152.2 μmol h−1, which is about 1.7 and 39 times as high as those of g-C3N4 and Uio-66-NH2, respectively. The optimal conversion rate of benzylamine was 58.9%, which is about 3.4 and 10.5 times as high as those of g-C3N4 and Uio-66-NH2, respectively. The probable photocatalytic mechanism of the CNUIO composite was investigated. This work provides a new insight into the fact that g-C3N4/MOF photocatalysts have great potential application in hydrogen production and organic synthesis.

Graphical abstract: g-C3N4/Uio-66-NH2 nanocomposites with enhanced visible light photocatalytic activity for hydrogen evolution and oxidation of amines to imines

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Supplementary files

Article information


Submitted
03 Nov 2019
Accepted
20 Jan 2020
First published
21 Jan 2020

New J. Chem., 2020,44, 3052-3061
Article type
Paper

g-C3N4/Uio-66-NH2 nanocomposites with enhanced visible light photocatalytic activity for hydrogen evolution and oxidation of amines to imines

S. Zhang, K. Chen, W. Peng and J. Huang, New J. Chem., 2020, 44, 3052
DOI: 10.1039/C9NJ05495B

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