Photocatalytic transfer of aqueous nitrogen into ammonia using nickel-titanium-layered double hydroxide

Prabagar, Jijoe Samuel; Yadav, Sneha; Thinley, Tenzin; Shahmoradi, Behzad; Rtimi, Sami; Wantala, Kitirote; Jenkins, David; Shivaraju, Harikaranahalli Puttaiah

doi:10.1007/s11356-022-24726-7

Environ Sci Pollut Res

2022

DOI: 10.1007/s11356-022-24726-7

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Photocatalytic transfer of aqueous nitrogen into ammonia using nickel-titanium-layered double hydroxide

Jijoe Samuel Prabagar

Sneha Yadav

Tenzin Thinley

et al.

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Cited by 5 publications

References 57 publications

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2D Semiconductor Nanostructures for Solar‐Driven Photocatalysis: Unveiling Challenges and Prospects in Air Purification, Sustainable Energy Harvesting, and Water Treatment

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The use of solar light to accelerate chemical processes (photocatalysis) has the potential to alleviate the pollution and energy crises. Thanks to their large surface area, unusual electronic structure, and abundance of low‐coordinate surface atoms, 2D semiconductors have shown enormous promise in photocatalytic applications. The synthesis, photoexcitation processes, design, and development of 2D semiconductor photocatalysts are thoroughly examined in this perspective, as well as their possible applications in air purification, solar energy conversion, organic synthesis, carbon capture and storage, and water treatment. This work highlights ongoing research efforts focused on improving the selectivity and efficiency of photocatalytic applications based on 2D semiconductors by means of hybrid systems, heterostructures, doping, and computational methodologies, together with open challenges. Finally, the integration of 2D semiconductor photocatalysts into indoor and outdoor environments is discussed, thereby facilitating the purification of air and water and generating clean energy, which assists in the pursuit of sustainable development objectives.

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2D Semiconductor Nanostructures for Solar‐Driven Photocatalysis: Unveiling Challenges and Prospects in Air Purification, Sustainable Energy Harvesting, and Water Treatment

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The conventional membranes used for separating oil/water emulsions are typically limited by the properties of the membrane materials and the impact of membrane fouling, making continuous long‐term usage unachievable. In this study, a filtering electrode with synchronous self‐cleaning functionality is devised, exhibiting notable antifouling ability and an extended operational lifespan, suitable for the continuous separation of oil/water emulsions. Compared with the original Ti foam, the in situ growth of NiTi‐LDH (Layered double hydroxide) nano‐flowers endows the modified Ti foam (NiTi‐LDH/TF) with exceptional superhydrophilicity and underwater superoleophobicity. Driven by gravity, a rejection rate of over 99% is achieved for various emulsions containing oil content ranging from 1% to 50%, as well as oil/seawater emulsions. The flux recovery rate exceeds 90% after one hundred cycles and a 4‐h filtration period. The enhanced separation performance is realized through the “gas bridge” effect during in situ aeration and electrochemical anodic oxidation. The internal aeration within the membrane pores contributes to the removal of oil foulants. This study underscores the potential of coupling foam metal filtration materials with electrochemical technology, providing a paradigm for the exploration of novel oil/water separation membranes.

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Construction of single-atom copper-loaded iron-based MOF/carbon nitride nanosheet heterojunction for enhanced N2 photofixation under visible light

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Photocatalytic transfer of aqueous nitrogen into ammonia using nickel-titanium-layered double hydroxide

Cited by 5 publications

References 57 publications

2D Semiconductor Nanostructures for Solar‐Driven Photocatalysis: Unveiling Challenges and Prospects in Air Purification, Sustainable Energy Harvesting, and Water Treatment

2D Semiconductor Nanostructures for Solar‐Driven Photocatalysis: Unveiling Challenges and Prospects in Air Purification, Sustainable Energy Harvesting, and Water Treatment

Durable Nano‐Flower Structured Foam Coupled with Electrically‐Driven in Situ Aeration Enable High‐Flux Oil/Water Emulsion Separation with Dynamic Antifouling Ability

Construction of single-atom copper-loaded iron-based MOF/carbon nitride nanosheet heterojunction for enhanced N2 photofixation under visible light

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