Mannitol and acidity co-tuned synthesis of oxygen-vacancy-modified bismuth molybdate nanorods for efficient photocatalytic nitrogen reduction to ammonia

Wang, Guoan; Deng, Quanhua; Li, Haiping; Hou, Wanguo

doi:10.1007/s40843-022-2291-7

Cited by 18 publications

(1 citation statement)

References 61 publications

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“…In addition, in view of activation of chemisorbed N 2 molecules at surface active sites of photocatalysts in a photocatalytic nitrogen reduction reaction, 71 the adsorbed contaminant and H 2 O molecules on TaPCN and PCN may also be activated to some degree, and the activation difference possibly affects the photocatalytic activity. However, the activation effect cannot be characterized and analyzed under our experimental conditions at present and would not be discussed in detail.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

Interfacial Affinity Determined Photocatalytic Activity: A Comparison between Defective and Bulk Polymeric Carbon Nitride

Deng

Han

et al. 2023

ACS Appl. Mater. Interfaces

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The photoexcited charge separation efficiency of photocatalysts is generally considered as the key factor for enhancement of their photocatalytic activity, and sometimes, their photoabsorption capability and interfacial reaction kinetics play a key part, but the role of interfacial affinity of photocatalysts with substrates was rarely researched systematically. Herein, nitrogen vacancy-modified polymeric carbon nitride porous nanotubes (PCNpts) were simply synthesized, using tartaric acid as a crosslinking and corrosion agent, and exhibit a remarkable increment in surface area, wettability, photoabsorption and charge separation capability, and photocatalytic activity in water splitting to produce H 2 , but, interestingly, exhibit substrate-dependent variation of photoactivity in contaminant degradation, compared with bulk PCN. More interestingly, the interfacial affinity of PCNpts and PCN with contaminants and H 2 O, rather than photoabsorption and charge separation capability, is confirmed to dominate their photoactivity.

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Section: ■ Results and Discussionmentioning

confidence: 99%

Interfacial Affinity Determined Photocatalytic Activity: A Comparison between Defective and Bulk Polymeric Carbon Nitride

Deng

Han

et al. 2023

ACS Appl. Mater. Interfaces

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Photo‐ and Photoelectrocatalysis in Nitrogen Reduction Reactions to Ammonia: Interfaces, Mechanisms, and Modeling Simulations

Ješić,

Pomeroy,

Kamal

et al. 2024

Adv Energy and Sustain Res

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The Haber–Bosch process is a cornerstone in the field of ammonia production and represents a decisive advance in industrial chemistry. This method, developed in the early 20th century, revolutionizes agriculture and enables the mass production of fertilizers. As the world strives for sustainable energy and environmental protection, alternative methods such as the photo/photoelectrocatalytic nitrogen reduction reaction (NRR) are gaining momentum. By using sunlight, electricity, or a combination of both, these approaches promise sustainable ammonia production with renewable energy sources and innovative materials. Researchers are trying to understand the underlying principles, mechanisms, and advances of these methods to overcome the challenges and optimize their effectiveness. This research is a step toward sustainable energy and agriculture, and offers a greener and more efficient way forward. This review looks at advances in sustainable ammonia production, particularly through photo‐ and photoelectrocatalytic NRRs. It examines the hurdles in implementing these methods and provides an overview of the fundamentals of nitrogen fixation and a comparison of current mechanisms. In addition, thermodynamic, theoretical, and computational studies of these processes are summarized. Various photocatalysts and photoelectrocatalysts used for ammonia production are also presented.

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Strategic facet engineering of bismuth‐based photocatalysts for the applications in solar‐to‐chemical conversion

Foo,

Chiah,

et al. 2024

InfoScience

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Semiconductor photocatalysis is a promising tactic to simultaneously overcome global warming and the energy crisis as it can directly convert inexhaustible solar energy into clean fuels and valuable chemicals, hence being employed in various energy applications. However, the current performance of photocatalysis is largely impeded by the fast recombination of photogenerated charge carriers and insufficient light absorption. Among various materials, bismuth‐based photocatalysts have stood out as excellent candidates for efficient photocatalysis due to their unique controllable crystal structures and relatively narrow band gap. These features endow the selective exposure of active facets (facet engineering) and wide light absorption range, resulting in tunable photocatalytic activity, selectivity, and stability. Therefore, it is of great potential to use facet‐engineered bismuth‐based photocatalysts for efficient energy applications (e.g., water splitting, CO2 reduction, N2 fixation, and H2O2 production) to achieve sustainable development. Herein, the introduction provides the overview of this research, while the synthesis, modification strategy, and the latest progress of facet‐engineered bismuth‐based photocatalysts in energy application were summarized and highlighted in this review paper. Lastly, the conclusion and outlooks of this topic were concluded to give some insights into the direction and focus of future research.

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Mannitol and acidity co-tuned synthesis of oxygen-vacancy-modified bismuth molybdate nanorods for efficient photocatalytic nitrogen reduction to ammonia

Cited by 18 publications

References 61 publications

Interfacial Affinity Determined Photocatalytic Activity: A Comparison between Defective and Bulk Polymeric Carbon Nitride

Interfacial Affinity Determined Photocatalytic Activity: A Comparison between Defective and Bulk Polymeric Carbon Nitride

Photo‐ and Photoelectrocatalysis in Nitrogen Reduction Reactions to Ammonia: Interfaces, Mechanisms, and Modeling Simulations

Strategic facet engineering of bismuth‐based photocatalysts for the applications in solar‐to‐chemical conversion

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