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Size tunable bimetallic nickel-zinc nitride as multi-functional co-catalyst on nitrogen doped titania boost solar energy conversions

Abstract

To enable high-efficiency solar energy conversions, rational design and preparation of low cost and stable semiconductor photocatalysts with associated co-catalysts are desirable. However preparation of efficient catalytic systems remains a challenge. Here, N-doped TiO2/ternary nickel-zinc nitride (N-TiO2-Ni3ZnN) nano-composites have been shown to be multi-functional catalysts for photocatalytic reactions. The particle size of Ni3ZnN can be readily tuned using N-TiO2 nanospheres as the active support. Due to the high conductivity and Pt-like properties, Ni3ZnN promotes charge separation and transfer, as well as reaction kinetics. The material shows co-catalytic performance relevant for multiple reactions, demonstrating its multifunctionality. Density functional theory (DFT) based calculation confirms the intrinsically metallic property of Ni3ZnN. N-TiO2-Ni3ZnN exhibit evidently improved photocatalytic performances as compared to N-TiO2 under visible light irradiation.

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Supplementary files

Article information


Submitted
21 Feb 2020
Accepted
20 Mar 2020
First published
21 Mar 2020

Dalton Trans., 2020, Accepted Manuscript
Article type
Paper

Size tunable bimetallic nickel-zinc nitride as multi-functional co-catalyst on nitrogen doped titania boost solar energy conversions

W. Qi, X. Meng, S. Adimi, H. Guo, T. Thomas, F. Li, H. Jiang, S. Liu and M. Yang, Dalton Trans., 2020, Accepted Manuscript , DOI: 10.1039/D0DT00657B

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