Research Progress in Composite Materials for Photocatalytic Nitrogen Fixation

Ammonia is an essential component of modern chemical products and the building unit of natural life molecules. The Haber–Bosch (H-B) process is mainly used in the ammonia synthesis process in the industry. In this process, nitrogen and hydrogen react to produce ammonia with metal catalysts under hig...

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Main Authors: Cheng Zuo, Qian Su, Lei Yu
Format: Article
Language:English
Published: MDPI AG 2023-10-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/28/21/7277
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author Cheng Zuo
Qian Su
Lei Yu
author_facet Cheng Zuo
Qian Su
Lei Yu
author_sort Cheng Zuo
collection DOAJ
description Ammonia is an essential component of modern chemical products and the building unit of natural life molecules. The Haber–Bosch (H-B) process is mainly used in the ammonia synthesis process in the industry. In this process, nitrogen and hydrogen react to produce ammonia with metal catalysts under high temperatures and pressure. However, the H-B process consumes a lot of energy and simultaneously emits greenhouse gases. In the “double carbon” effect, to promote the combination of photocatalytic technology and artificial nitrogen fixation, the development of green synthetic reactions has been widely discussed. Using an inexhaustible supply of sunlight as a power source, researchers have used photocatalysts to reduce nitrogen to ammonia, which is energy-dense and easy to store and transport. This process completes the conversion from light energy to chemical energy. At the same time, it achieves zero carbon emissions, reducing energy consumption and environmental pollution in industrial ammonia synthesis from the source. The application of photocatalytic technology in the nitrogen cycle has become one of the research hotspots in the new energy field. This article provides a classification of and an introduction to nitrogen-fixing photocatalysts reported in recent years and prospects the future development trends in this field.
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spelling doaj.art-ece00a4478524f52a6ae03be5c26d8872023-11-10T15:08:28ZengMDPI AGMolecules1420-30492023-10-012821727710.3390/molecules28217277Research Progress in Composite Materials for Photocatalytic Nitrogen FixationCheng Zuo0Qian Su1Lei Yu2College of Chemistry & Chemical and Environmental Engineering, Weifang University, Weifang 261061, ChinaCollege of Chemistry & Chemical and Environmental Engineering, Weifang University, Weifang 261061, ChinaCollege of Chemistry & Chemical and Environmental Engineering, Weifang University, Weifang 261061, ChinaAmmonia is an essential component of modern chemical products and the building unit of natural life molecules. The Haber–Bosch (H-B) process is mainly used in the ammonia synthesis process in the industry. In this process, nitrogen and hydrogen react to produce ammonia with metal catalysts under high temperatures and pressure. However, the H-B process consumes a lot of energy and simultaneously emits greenhouse gases. In the “double carbon” effect, to promote the combination of photocatalytic technology and artificial nitrogen fixation, the development of green synthetic reactions has been widely discussed. Using an inexhaustible supply of sunlight as a power source, researchers have used photocatalysts to reduce nitrogen to ammonia, which is energy-dense and easy to store and transport. This process completes the conversion from light energy to chemical energy. At the same time, it achieves zero carbon emissions, reducing energy consumption and environmental pollution in industrial ammonia synthesis from the source. The application of photocatalytic technology in the nitrogen cycle has become one of the research hotspots in the new energy field. This article provides a classification of and an introduction to nitrogen-fixing photocatalysts reported in recent years and prospects the future development trends in this field.https://www.mdpi.com/1420-3049/28/21/7277nitrogenammonia synthesisphotocatalysis technologyphotocatalysts
spellingShingle Cheng Zuo
Qian Su
Lei Yu
Research Progress in Composite Materials for Photocatalytic Nitrogen Fixation
Molecules
nitrogen
ammonia synthesis
photocatalysis technology
photocatalysts
title Research Progress in Composite Materials for Photocatalytic Nitrogen Fixation
title_full Research Progress in Composite Materials for Photocatalytic Nitrogen Fixation
title_fullStr Research Progress in Composite Materials for Photocatalytic Nitrogen Fixation
title_full_unstemmed Research Progress in Composite Materials for Photocatalytic Nitrogen Fixation
title_short Research Progress in Composite Materials for Photocatalytic Nitrogen Fixation
title_sort research progress in composite materials for photocatalytic nitrogen fixation
topic nitrogen
ammonia synthesis
photocatalysis technology
photocatalysts
url https://www.mdpi.com/1420-3049/28/21/7277
work_keys_str_mv AT chengzuo researchprogressincompositematerialsforphotocatalyticnitrogenfixation
AT qiansu researchprogressincompositematerialsforphotocatalyticnitrogenfixation
AT leiyu researchprogressincompositematerialsforphotocatalyticnitrogenfixation