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Synthesis of plasmonic bismuth metal deposited InVO4 nanosheets for enhancing solar light-driven photocatalytic nitrogen fixation

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Abstract

In this study, metallic Bi deposited indium vanadate nanosheet (Bi/InVO4) photocatalysts were successfully fabricated by a two-step hydrothermal method. Multiple characterisation techniques were used to investigate the crystal structures, morphologies, and optical and electrical properties of Bi/InVO4. The photocatalytic performance of the as-prepared samples was evaluated via photocatalytic nitrogen fixation under mild conditions. The results show that 5% Bi/InVO4 exhibits the optimal photocatalytic performance, and the generation rate of NH3 is as high as 626 μmol g−1 h−1, which is 5.2 times higher than that of pure InVO4. The enhanced photocatalytic activity is caused by the surface plasmon resonance (SPR) endowed by metallic Bi which enhanced the light-harvesting and the effective separation and migration of charge carriers. Meanwhile, 5% Bi/InVO4 also demonstrates stability in multicycle N2 fixation. This study provides a new research strategy to synthesize high-performance catalysts for photocatalytic nitrogen fixation under mild conditions.

Graphical abstract: Synthesis of plasmonic bismuth metal deposited InVO4 nanosheets for enhancing solar light-driven photocatalytic nitrogen fixation

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Article information


Submitted
22 Nov 2019
Accepted
21 Jan 2020
First published
22 Jan 2020

Sustainable Energy Fuels, 2020, Advance Article
Article type
Paper

Synthesis of plasmonic bismuth metal deposited InVO4 nanosheets for enhancing solar light-driven photocatalytic nitrogen fixation

J. Wang, C. Hua, X. Dong, Y. Wang and N. Zheng, Sustainable Energy Fuels, 2020, Advance Article , DOI: 10.1039/C9SE01136F

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