Oxygen in the Earth System

Hocke, Klemens

doi:10.3390/oxygen3030019

Cited by 2 publications

(2 citation statements)

References 47 publications

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“…The photosynthetic system using solar energy has played a major role in the evolution of plants on the earth, which can oxidize water to generate molecular oxygen. Then, 2.4 billion years ago, the global environment was greatly changed for oxygen to occupy 1/5 of the atmosphere [1]. Before this change, living organisms used hydrogen sulfide as an electron source to live their life.…”

Section: Introductionmentioning

confidence: 99%

Molecular Mechanisms of Oxygen Evolution Reactions for Artificial Photosynthesis

Nosaka

2023

Oxygen

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Addressing the global environmental problem of water splitting to produce hydrogen fuel by solar energy is receiving so much attention. In water splitting, the essential problem to solve is the development of efficient catalysts for oxygen production. In this paper, having the prospect for a practical application of photocatalysts to artificial photosynthesis, molecular mechanisms in the current literature are briefly reviewed. At first, recent progress in the function of the Mn cluster at the natural photosystem II is briefly described. The kinds of devices in which oxygen evolution reaction (OER) catalysts are used were designated: water electrolyzers, photoelectrodes, and photocatalysts. Some methods for analyzing molecular mechanisms in OER catalysis, emphasized by the FTIR method, are shown briefly. After describing common OER mechanisms, the molecular mechanisms are discussed for TiO2 and BiVO4 photoelectrodes with our novel data, followed by presenting OER co-catalysts of IrO2, RuO2, NiO2, and other metal oxides. Recent reports describing OER catalysts of perovskites, layered double hydroxides (LDH), metal–organic frameworks (MOF), single-atom catalysts, as well as metal complexes are reviewed. Finally, by comparing with natural photosystem, the required factors to improve the activity of the catalysts for artificial photosynthesis will be discussed.

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Section: Introductionmentioning

confidence: 99%

Molecular Mechanisms of Oxygen Evolution Reactions for Artificial Photosynthesis

Nosaka

2023

Oxygen

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show abstract

“…The photosynthetic system using the solar energy has played a major role in the evolution of plants on the earth, which can oxidize water to generate molecular oxygen, then the global environment was greatly changed 2.4 billion years ago [1]. Before the generation of oxygen, living organism used hydrogen sulfide as an electron source, but over the course of about one billion years, living organism evolved and became to generate living organisms by using water as an electron source.…”

Section: Introductionmentioning

confidence: 99%

Molecular Mechanisms of Oxygen Evolution Reactions for Artificial Photosynthesis

Nosaka

2023

Preprint

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Addressing global environmental problem, water splitting to produce hydrogen fuel by solar energy is getting so much attention. In the water splitting, the essential problem to solve is the development of efficient　catalysts for oxygen production. In this paper, having the prospect for a practical application of photocatalysts to artificial photosynthesis, molecular mechanisms in the current literature are briefly reviewed. At first, recent progress in the function of Mn cluster at the natural photosystem II is briefly described. The kinds of devices in which oxygen evolution reaction (OER) catalysts are used were designated; water electrolyzers, photoelectrodes, and photocatalysts. Some methods for analyzing molecular mechanism in OER catalysis, emphasized by FTIR method, are shown briefly. After describing common OER mechanisms, the molecular mechanisms are discussed for TiO2 and BiVO4 photoelectrodes with our novel data, followed by presenting of co-catalysts IrO2, RuO2, NiO2, and other metal oxides for OER catalysts. Recent reports describing OER catalysts of perovskites, layered double hydroxides (LDH), metal-organic frameworks (MOF), single atom catalysts, as well as metal complexes are reviewed. Finally, by comparing with natural photosystem, the requiring factors to improve the activity of the catalysts for artificial photosynthesis will be discussed.

show abstract

Oxygen in the Earth System

Cited by 2 publications

References 47 publications

Molecular Mechanisms of Oxygen Evolution Reactions for Artificial Photosynthesis

Molecular Mechanisms of Oxygen Evolution Reactions for Artificial Photosynthesis

Molecular Mechanisms of Oxygen Evolution Reactions for Artificial Photosynthesis

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