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Article Dans Une Revue Topics in current chemistry Année : 2023

Photocatalytic Synthesis of Hydrogen Peroxide from Molecular Oxygen and Water

Résumé

Hydrogen peroxide is a powerful and green oxidant that allows for the oxidation of a wide span of organic and inorganic substrates in liquid media under mild reaction conditions, and forms only molecular water and oxygen as end-products. Hydrogen peroxide is therefore used in a wide range of applications, for which the well-documented and established anthraquinone autoxidation process is by far the dominating production way at the industrial scale. That method being highly energy-consuming and environmentally-costly, the search for more sustainable synthesis methods is of high interest. To this end, the article reviews the basis and the recent development of the photocatalytic synthesis of hydrogen peroxide. Different oxygen reduction and water oxidation mechanisms are discussed, as well as several kinetic models, and the influence of the main key reaction parameters is itemized. A large range of photocatalytic materials is reviewed, with emphasis on titania-based photocatalysts and on high-prospect graphitic carbon nitride based systems that take advantage of advanced bulk and surface synthetic approaches. Strategies for enhancing the performances of solar-driven photocatalysts are reported, and the search for new, alternative, photocatalytic materials is detailed. Finally, the promise of in-situ photocatalytic synthesis of hydrogen peroxide for water treatment and organic synthesis is described, as well as its coupling with enzymes and the direct in-situ synthesis of other technical peroxides.
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Dates et versions

hal-04243075 , version 1 (15-10-2023)

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Patricia Garcia-Munoz, Laura Valenzuela, Deborah Wegstein, Tobias Schanz, Girlie Eunice Lopez, et al.. Photocatalytic Synthesis of Hydrogen Peroxide from Molecular Oxygen and Water. Topics in current chemistry, 2023, 381 (4), pp.15. ⟨10.1007/s41061-023-00423-y⟩. ⟨hal-04243075⟩
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