Fast Photocatalytic Hydrogen Peroxide Generation by Singlet Oxygen-Engaged Sequential Excitation Energy and Electron-Transfer Process

Zeng, Xiangkang; Wang, Tianyi; Wang, Zhuyuan; Tebyetekerwa, Mike; Liu, Yue; Liu, Zhuoyue; Wang, Gen; Wibowo, Ary Anggara; Pierens, Gregory; Gu, Qinfen; Zhang, Xiwang

doi:10.1021/acscatal.4c01591

ACS Catal.

2024

DOI: 10.1021/acscatal.4c01591

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Fast Photocatalytic Hydrogen Peroxide Generation by Singlet Oxygen-Engaged Sequential Excitation Energy and Electron-Transfer Process

Xiangkang Zeng,

Tianyi Wang,

Zhuyuan Wang

et al.

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Cited by 9 publications

References 68 publications

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Predesign of Covalent‐Organic Frameworks for Efficient Photocatalytic Dehydrogenative Cross‐Coupling Reaction

Chen,

Sun,

Chen

et al. 2024

Advanced Materials

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The dehydrogenative cross‐coupling reaction is the premier route for synthesizing important 4‐quinazolinone drugs. However, it usually requires high reaction temperature and long reaction time, and the yield of the final product is low. Here two stable and photosensitive covalent‐organic frameworks (COFs), TAPP‐An and TAPP‐Cu‐An are purposefully designed and constructed to serve as unprecedented heterogeneous tandem catalysts to complete dehydrogenative cross‐coupling reactions in a short time and under mild reaction conditions (room temperature and light), leading to the high‐efficient photosynthesis of 4‐quinazolinones. Particularly, TAPP‐Cu‐An is the best heterogeneous catalyst currently available for the synthesis of 4‐quinazolinones, even surpassing all the catalysts reported so far. It also enables one‐step photosynthesis of 4‐quinazolinones with higher conversion (>99%) and selectivity (>99%) in a shorter time, and the product can be easily prepared on a gram scale. Extensive experiments combined with theoretical calculations show that the excellent photogenerated charge separation and transport capability, as well as the synergistic An‐Cu catalysis in TAPP‐Cu‐An are the main driving forces for this efficient reaction.

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Predesign of Covalent‐Organic Frameworks for Efficient Photocatalytic Dehydrogenative Cross‐Coupling Reaction

Chen,

Sun,

Chen

et al. 2024

Advanced Materials

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Pairing Oxygen Reduction and Water Oxidation for Dual‐Pathway H₂O₂ Production

Sun,

Yang,

Zeng

et al. 2024

Angewandte Chemie

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Hydrogen peroxide (H2O2) is a crucial chemical applied in various industry sectors. However, the current industrial anthraquinone process for H2O2 synthesis is carbon‐intensive. With sunlight and renewable electricity as energy inputs, photocatalysis and electrocatalysis have great potential for green H2O2 production from oxygen (O2) and water (H2O). Herein, we review the advances in pairing two‐electron O2 reduction and two‐electron H2O oxidation reactions for dual‐pathway H2O2 synthesis. The basic principles, paired redox reactions, and catalytic device configurations are introduced initially. Aligning with the energy input, the latest photocatalysts, electrocatalysts, and photo‐electrocatalysts for dual‐pathway H2O2 production are discussed afterward. Finally, we outlook the research opportunities in the future. This minireview aims to provide insights and guidelines for the broad community who are interested in catalyst design and innovative technology for on‐site H2O2 synthesis.

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Pairing Oxygen Reduction and Water Oxidation for Dual‐Pathway H₂O₂ Production

Sun,

Yang,

Zeng

et al. 2024

Angew Chem Int Ed

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Fast Photocatalytic Hydrogen Peroxide Generation by Singlet Oxygen-Engaged Sequential Excitation Energy and Electron-Transfer Process

Cited by 9 publications

References 68 publications

Predesign of Covalent‐Organic Frameworks for Efficient Photocatalytic Dehydrogenative Cross‐Coupling Reaction

Predesign of Covalent‐Organic Frameworks for Efficient Photocatalytic Dehydrogenative Cross‐Coupling Reaction

Pairing Oxygen Reduction and Water Oxidation for Dual‐Pathway H₂O₂ Production

Pairing Oxygen Reduction and Water Oxidation for Dual‐Pathway H₂O₂ Production

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About

Fast Photocatalytic Hydrogen Peroxide Generation by Singlet Oxygen-Engaged Sequential Excitation Energy and Electron-Transfer Process

Cited by 9 publications

References 68 publications

Predesign of Covalent‐Organic Frameworks for Efficient Photocatalytic Dehydrogenative Cross‐Coupling Reaction

Predesign of Covalent‐Organic Frameworks for Efficient Photocatalytic Dehydrogenative Cross‐Coupling Reaction

Pairing Oxygen Reduction and Water Oxidation for Dual‐Pathway H2O2 Production

Pairing Oxygen Reduction and Water Oxidation for Dual‐Pathway H2O2 Production

Contact Info

Product

Resources

About

Pairing Oxygen Reduction and Water Oxidation for Dual‐Pathway H₂O₂ Production

Pairing Oxygen Reduction and Water Oxidation for Dual‐Pathway H₂O₂ Production