Plasmonic metal oxide for photocatalytic nitrogen fixation

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Published Sep 8, 2021
Qiang Li Zhenhuan Zhao

Abstract

Photocatalytic nitrogen fixation is one of the most promising technologies to replace the Haber‐Bosch process for the green synthesis of ammonia under mild conditions. However, the solar energy to ammonia conversion efficiency is still low due to the narrow spectral absorption range, low activity, and excessive photogenerated carrier recombination of the photocatalyst. Defect engineering is an efficient strategy to develop active photocatalysts for nitrogen fixation. In this report, we will show two cases to demonstrate the importance of oxygen vacancies on improving photocatalytic performance. In the first case, we employed Fe doping to regulate the photocatalytic activity of wide bandgap SrMoO4 and SrWO4[1-2]. In the second case, localized surface plasmon resonance was introduced in SrMoO4 nanoparticles by the annealing treatment in a reductive atmosphere[3].

How to Cite

Li, Q., & Zhao, Z. (2021). Plasmonic metal oxide for photocatalytic nitrogen fixation. SPAST Abstracts, 1(01). Retrieved from https://spast.org/techrep/article/view/163
Abstract 14 |

Article Details

Keywords

Defect engineering, Oxygen vacancy, Fe doping, Localized surface plasmon resonance, Photocatalytic nitrogen reduction

References
[1] Luo, J.; Bai, X.; Li, Q.; Yu, X.; Li, C.; Wang, Z.; Wu, W.; Liang, Y.; Zhao, Z.; Liu, H., Band structure engineering of bioinspired Fe doped SrMoO4 for enhanced photocatalytic nitrogen reduction performance. Nano Energy 2019, 66, 104187.
[2] Li, Q.; Bai, X.; Luo, J.; Li, C.; Wang, Z.; Wu, W.; Liang, Y.; Zhao, Z., Fe doped SrWO4 with tunable band structure for photocatalytic nitrogen fixation. Nanotechnology 2020, 31 (37), 375402.
[3] Li, Q.; Zhao, Z.; Bai, X.; Tong, X.; Yue, S.; Luo, J.; Yu, X.; Wang, Z.; Wang, Z.; Li, P.; Liang, Y.; Wang, Z., Tunable and stable localized surface plasmon resonance in SrMoO4 for enhanced visible light driven nitrogen reduction. Chinese Journal of Catalysis 2021, 42 (10), 1763-1771.
Section
ES: Environmental Sciences