☆ 4.6 Review

Metal-organic frameworks and covalent organic frameworks as photocatalysts for H2O2 production from oxygen and water

JOURNAL OF MATERIALS CHEMISTRY A (2023)

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Article Chemistry, Physical

Rational modification of hydroxy-functionalized covalent organic frameworks for enhanced photocatalytic hydrogen peroxide evolution

Hao Hu et al.

Summary: In this study, four different covalent organic frameworks (COFs) were constructed to investigate the relationship between the composition of COFs and the photocatalytic performance for hydrogen peroxide (H2O2) evolution. The results showed that the optimized COF, 1H-COF, exhibited the highest ordered structure and the highest H2O2 yield among the four COFs.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2023)

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Article Chemistry, Multidisciplinary

Integrating Bifunctionality and Chemical Stability in Covalent Organic Frameworks via One-Pot Multicomponent Reactions for Solar-Driven H2O2 Production

Prasenjit Das et al.

Summary: In this study, different functionalities were introduced into highly stable covalent organic frameworks (COFs) using multicomponent reactions (MCRs). Four chemically stable quinoline-4-carboxylic acid DMCR-COFs equipped with an acid-base bifunctionality were successfully synthesized. These DMCR-COFs exhibited superior photocatalytic H2O2 evolution compared to the imine COF analogue. Furthermore, they showed high photostability, durability, and recyclability, making them a promising materials' platform for solar to chemical energy conversion.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2023)

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Review Chemistry, Physical

Graphitic Carbon Nitride Based Materials Towards Photoproduction of H2O2

Hoai-Thanh Vuong et al.

Summary: Hydrogen peroxide plays a crucial role as an essential chemical, but its synthetic process poses severe environmental and health issues. Solar H2O2 production using graphitic carbon nitride (g-C3N4) holds promise in mitigating such problems. However, there are still challenges in engineering g-C3N4 for efficient catalytic results, and the mechanisms of H2O2 production with these materials remain unclear. Therefore, this literature survey reviews the production of H2O2 using g-C3N4-based materials, discussing key aspects and current challenges in photocatalytic H2O2 generation, aiming to provide insights for overcoming barriers and developing sustainable H2O2 production methods.

CHEMPHOTOCHEM (2023)

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Article Chemistry, Multidisciplinary

Pyrene-Based Covalent Organic Frameworks for Photocatalytic Hydrogen Peroxide Production

Jiamin Sun et al.

Summary: Four highly porous covalent organic frameworks (COFs) containing pyrene units were prepared and explored for photocatalytic H2O2 production. Experimental studies and density functional theory calculations showed that the pyrene unit has higher activity for H2O2 production compared to bipyridine and (diarylamino)benzene units. The distribution of pyrene units over a large surface area of COFs was found to be crucial for catalytic performance.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2023)

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Article Engineering, Environmental

Three-dimensional covalent organic framework with tty topology for enhanced photocatalytic hydrogen peroxide production

Miaomiao Wu et al.

Summary: In this study, a novel 8-connected cubic node, octa-aldehyde difluorobenzene monomer, was designed and synthesized for the first time to construct a 3D COF (COF-NUST-16) with the tty topology using a [8 + 4] reticular strategy. The resulting 8-connectivity 3D COF exhibited high photocatalytic activity for the production of hydrogen peroxide, with a production rate 4 times higher than a 2D COF of similar chemical structure. This work not only enriches the topological diversity of COFs, but also opens up new possibilities for the application exploration of 3D COFs.

CHEMICAL ENGINEERING JOURNAL (2023)

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Article Nanoscience & Nanotechnology

Weakly Hydrophilic Imine-Linked Covalent Benzene-Acetylene Frameworks for Photocatalytic H2O2 Production in the Two-Phase System

Tao Yang et al.

Summary: In this study, covalent organic frameworks (COFs) with strong π-π conjugate polycyclic aromatic benzene and acetylene units were constructed, exhibiting a two-dimensional hexagonal crystalline structure with high crystallinity and large surface area. These COFs possessed appropriate visible light-responsive band structure and suppressed charge recombination rate, making them efficient and durable photocatalysts for H2O2 production in a water-benzyl alcohol two-phase system. This research provides an efficient two-phase photocatalytic system for H2O2 production based on weakly hydrophilic imine-linked benzene-acetylene organic photocatalysts.

ACS APPLIED MATERIALS & INTERFACES (2023)

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Article Chemistry, Multidisciplinary

Covalent Organic Frameworks Containing Dual O2 Reduction Centers for Overall Photosynthetic Hydrogen Peroxide Production

Dan Chen et al.

Summary: This study reports crystalline s-heptazine-based COFs (HEP-TAPT-COF and HEP-TAPB-COF) with separated redox centers for efficient H2O2 production. The spatially and orderly separated active sites in HEP-COFs promote charge separation and enhance photocatalytic H2O2 production. Compared to HEP-TAPB-COF, HEP-TAPT-COF exhibits higher H2O2 production efficiency by integrating dual O-2 reduction centers of s-heptazine and triazine moieties. Consequently, HEP-TAPT-COF with dual O-2 reduction centers achieves a remarkable solar-to-chemical energy efficiency of 0.65% and a high apparent quantum efficiency of 15.35% at 420 nm, surpassing previously reported COF-based photocatalysts.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2023)

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Article Chemistry, Multidisciplinary

Oxidation-Reduction Molecular Junction Covalent Organic Frameworks for Full Reaction Photosynthesis of H2O2

Jia-Nan Chang et al.

Summary: A covalent organic framework (TTF-BT-COF) with oxidation-reduction molecular junction has been synthesized through the covalent-coupling of tetrathiafulvalene and benzothiazole. This framework has visible-light absorption region, effective electron-hole separation efficiency, and photo-redox sites, enabling full reaction generation of H2O2.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2023)

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Article Engineering, Environmental

A novel partially carbonized Fe3O4@PANI-p catalyst for tetracycline degradation via peroxymonosulfate activation

Ya-qi Wang et al.

Summary: A novel polyaniline partially carbonized core-shell material was used to activate peroxymonosulfate for tetracycline degradation. The material's bilayer structure improved catalytic performance and reduced leaching of metal ions. Factors such as PMS dosage, pollutant concentration, and initial pH influenced TC degradation. The main reactive oxygen species in the degradation process were singlet oxygen, superoxide radicals, sulfate radicals, and hydroxyl radicals. The material showed high degradation efficiency even after multiple cycles and pyrolysis regeneration.

CHEMICAL ENGINEERING JOURNAL (2023)

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Article Chemistry, Multidisciplinary

Solar Light Driven H2O2 Production and Selective Oxidations Using a Covalent Organic Framework Photocatalyst Prepared by a Multicomponent Reaction

Prasenjit Das et al.

Summary: A chemically stable 2D microporous COF (PMCR-1) is synthesized via the multicomponent Povarov reaction. PMCR-1 exhibits remarkable and long-term stable photocatalytic H2O2 production from pure and sea water under visible light. The well-defined micropores of PMCR-1 enable size-selective photocatalytic oxidation of various organic substrates.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2023)

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Article Chemistry, Multidisciplinary

Extending the π-conjugation system of covalent organic frameworks for more efficient photocatalytic H2O2 production

Maojun Deng et al.

Summary: The photocatalytic activity of crystalline porous covalent organic frameworks (COFs) was significantly enhanced by extending their π-conjugation system through a post-sulfurization process. Thiazole-linked COFs exhibited the best photocatalytic performance, with a rate 5.8 and 3.7 times higher than imine-linked COFs 4PE-N and 4PE-TT, respectively.

GREEN CHEMISTRY (2023)

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Article Chemistry, Multidisciplinary

Molecularly Engineered Covalent Organic Frameworks for Hydrogen Peroxide Photosynthesis

Mingpu Kou et al.

Summary: Synthesizing H2O2 through photocatalytic approach using a bipyridine-based covalent organic framework (COF-TfpBpy) shows high efficiency in small-scale production. The resulting H2O2 solution can degrade pollutants, and the photocatalytic activity is enhanced by the protonation of the bipyridine monomer. This work demonstrates the feasibility of COF-catalyzed photosynthesis of H2O2 from water and air, and provides a foundation for wastewater treatment using photocatalytic H2O2 solution.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Review Chemistry, Inorganic & Nuclear

Metal- and covalent organic frameworks as catalyst for organic transformation: Comparative overview and future perspectives

Sara Abednatanzi et al.

Summary: Metal-organic frameworks (MOFs) and covalent organic frameworks (COFs) as two emerging classes of highly porous compounds have shown great potential for various applications due to their distinctive properties. These materials are being extensively studied by both academic and industrial scientists, but there is still a need for further exploration into their structural design and advanced applications.

COORDINATION CHEMISTRY REVIEWS (2022)

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Article Chemistry, Physical

Self-assembly hybridization of COFs and g-C3N4: Decipher the charge transfer channel for enhanced photocatalytic activity

Han Wang et al.

Summary: Organic semiconductors are recognized as a new generation of photocatalysts for pollutants degradation and energy production. In this study, a TpMa/CN heterojunction was fabricated via a controllable self-assembly approach, showing enhanced visible-light absorption and improved photocatalytic activities.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Piperazine-Linked Covalent Organic Frameworks with High Electrical Conductivity

Yan Yue et al.

Summary: A new kind of piperazine-linked covalent organic framework (COF) was successfully synthesized through nucleophilic substitution reaction. The COF exhibits excellent chemical stability and permanent porosity, and possesses high conductivity and carrier mobility.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Review Chemistry, Multidisciplinary

Inorganic Metal-Oxide Photocatalyst for H2O2 Production

Linxi Wang et al.

Summary: Hydrogen peroxide is a versatile oxidizing agent used in various applications, with its production via anthraquinone oxidation process being considered inefficient and environmentally unfriendly. Photocatalytic production of H2O2 using inorganic metal oxide semiconductors is a green and cost-effective alternative, although productivity is still a challenge in laboratory research. Efforts are being made to enhance the photocatalytic activity for H2O2 production, with modifications and quantification methods being explored for future advancements in this field.

SMALL (2022)

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Article Chemistry, Physical

Photocatalytic production of H2O2 over facet-dependent Ti-MOF

Yuanzhou Zheng et al.

Summary: The research focuses on using monocomponent NH2-MIL-125 photocatalysts for H2O2 production. By controlling the electron-hole separation pathways on different crystal facets, the photocatalyst plays a role in the photocatalytic redox reactions.

CATALYSIS SCIENCE & TECHNOLOGY (2022)

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Article Chemistry, Multidisciplinary

Aqueous Synthesis of Covalent Organic Frameworks as Photocatalysts for Hydrogen Peroxide Production

Fanglin Tan et al.

Summary: A liquid crystal-directed synthesis method was proposed for the production of highly crystalline COFs in water and air. The synthesized COFs are organic semiconductors with macropores and mesopores, making them attractive catalysts. The yield reached up to 94%, demonstrating the generality of the method.

CCS CHEMISTRY (2022)

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Article Chemistry, Multidisciplinary

Polarization Engineering of Covalent Triazine Frameworks for Highly Efficient Photosynthesis of Hydrogen Peroxide from Molecular Oxygen and Water

Chongbei Wu et al.

Summary: In this study, a polarization engineering strategy was used to enhance the two-electron oxygen photoreduction to hydrogen peroxide by grafting (thio)urea functional groups onto covalent triazine frameworks. The functionalized framework showed significantly improved charge separation/transport and proton transfer, leading to a substantially higher production rate of hydrogen peroxide compared to the unfunctionalized framework. This approach provides a new direction for the development of efficient metal-free polymer-based photocatalysts.

ADVANCED MATERIALS (2022)

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Article Chemistry, Multidisciplinary

A Crystalline Partially Fluorinated Triazine Covalent Organic Framework for Efficient Photosynthesis of Hydrogen Peroxide

Haozhen Wang et al.

Summary: The TF50-COF catalyst, a partially fluorinated, metal-free, imine-linked two-dimensional triazine covalent organic framework, demonstrates high selectivity and stability in O-2 photoreduction into H2O2. By varying the proportion of fluorine substitution, the catalyst maximizes interlayer interactions, improves crystallinity, accelerates carrier transfer, and enhances photostability. The catalyst achieves a high H2O2 yield rate of 1739 mu mol h(-1) g(-1) and an apparent quantum efficiency of 5.1 % at 400 nm, surpassing the performance of previously reported nonmetal COF-based photocatalysts.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Article Chemistry, Physical

Reaction Pathways toward Sustainable Photosynthesis of Hydrogen Peroxide by Polymer Photocatalysts

Hao Cheng et al.

Summary: Harnessing solar energy for artificial photosynthesis to produce H2O2 has gained attention. Organic polymers show promise as materials for solar-driven H2O2 production due to their diverse molecular building blocks and bond-forming reactions. Understanding the reaction pathways is crucial for optimizing the efficiency of solar-driven H2O2 production.

CHEMISTRY OF MATERIALS (2022)

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Article Chemistry, Physical

Constructing Synergistic Triazine and Acetylene Cores in Fully Conjugated Covalent Organic Frameworks for Cascade Photocatalytic H2O2 Production

Lipeng Zhai et al.

Summary: Covalent organic frameworks (COFs) are a suitable template for photocatalytic H2O2 synthesis due to their tunable chemical structures and semiconductor properties. However, the photoactivity of COFs is still suboptimal due to inefficient charge generation, fast recombination of photogenerated charges, and limited electron transport. In this study, triazine and acetylene units were integrated into COFs, leading to efficient charge separation, suppressed charge recombination, and enhanced electron transport. Experimental and computational results demonstrated that triazine and acetylene units synergistically promoted H2O2 synthesis through a two-electron pathway.

CHEMISTRY OF MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Accelerated Synthesis and Discovery of Covalent Organic Framework Photocatalysts for Hydrogen Peroxide Production

Wei Zhao et al.

Summary: A high-throughput sonochemical synthesis and testing strategy was developed to discover covalent organic frameworks (COFs) for photocatalysis. Among the screened COFs, one showed excellent photocatalytic activity for hydrogen peroxide production, but its activity decreased after long-term testing. The introduction of a two-phase catalytic system greatly enhanced its photostability.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Review Nanoscience & Nanotechnology

Visible-Light-Driven Production of Solar Fuels Catalyzed by Nanosized Porphyrin-Based Metal-Organic Frameworks and Covalent-Organic Frameworks: A Review

Paul Asselin et al.

Summary: This review explores the advantages and applications of porphyrin-based materials as photocatalysts for generating solar fuels. The structures, properties, and behaviors of porphyrinic MOFs and COFs are discussed, along with their mechanisms and characteristics in producing H2, CH4, and other derivatives. The review highlights the promising photocatalytic properties of nanosized porphyrin-based MOFs and COFs in generating solar fuels.

ACS APPLIED NANO MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Piperazine-Linked Metalphthalocyanine Frameworks for Highly Efficient Visible-Light-Driven H2O2 Photosynthesis

Qianjun Zhi et al.

Summary: This study successfully synthesized two new two-dimensional piperazine-linked CoPc-based covalent organic frameworks and further investigated their structure and photocatalytic performance. The experimental results demonstrated that these new materials exhibit excellent photocatalytic activity under visible light irradiation, with CoPc-BTM-COF showing a record-breaking high hydrogen peroxide yield and apparent quantum yield.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

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Article Chemistry, Physical

Boosting Photocatalytic Hydrogen Peroxide Production from Oxygen and Water Using a Hafnium-Based Metal-Organic Framework with Missing-Linker Defects and Nickel Single Atoms

Yoshifumi Kondo et al.

Summary: This study demonstrates the successful promotion of photocatalytic H2O2 production by introducing missing-linker defects and Ni single atoms in MOFs. The missing-linker defects suppress the non radiative relaxation of organic linkers and prevent H2O2 decomposition, while the Ni single atoms promote the separation of photogenerated charges and selective oxidation of water to generate H2O2. The synergetic effect of missing-linker defects and Ni single atoms significantly improves the photocatalytic H2O2 production activity.

ACS CATALYSIS (2022)

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Article Engineering, Environmental

ZnO/COF S-scheme heterojunction for improved photocatalytic H2O2 production performance

Yong Zhang et al.

Summary: By fabricating a step-scheme heterojunction ZnO/COF(TpPa-Cl), the photocatalytic H2O2 production rate was increased, providing design guidelines for constructing other COF-based S-scheme heterojunctions.

CHEMICAL ENGINEERING JOURNAL (2022)

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Review Chemistry, Multidisciplinary

Design of metal-organic framework catalysts for photocatalytic hydrogen peroxide production

Yoshifumi Kondo et al.

Summary: This perspective discusses the application of metal-organic frameworks (MOFs) as efficient materials for promoting photocatalytic H2O2 production and emphasizes their design flexibility in constructing reaction systems.

CHEM (2022)

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Article Chemistry, Physical

Two in one: A Bronsted acid grafted photoactive covalent organic framework as metal-free dual photocatalyst for aerobic oxidative C-C cleavage

Hui Chen et al.

Summary: In this study, a dual quinoline COF-based photocatalyst was developed by incorporating Brønsted acid sites, achieving metal-free oxidative C-C bond cleavage under visible light. COF-367-SO3H exhibited high catalytic activity, broad substrate adaptability, as well as outstanding recyclability and stability.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Article Engineering, Environmental

Targeted construction of a three-dimensional metal covalent organic framework with spn topology for photocatalytic hydrogen peroxide production

Wang-Kang Han et al.

Summary: This study reports a novel three-dimensional titanium-based COF with spn topology and two types of pores, exhibiting efficient photocatalytic activity in solar energy conversion.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Multidisciplinary

Enhanced photocatalytic hydrogen peroxide production activity of imine-linked covalent organic frameworks via modification with functional groups

Yepeng Yang et al.

Summary: In this study, functionalization of covalent organic frameworks (COFs) was used to enhance the photocatalytic production of H2O2 using solar energy. The introduction of hydroxyl functional groups was found to improve light absorption and the stability of H2O2 production. The results of this study provide new insights for the development of metal-free photocatalysts.

NEW JOURNAL OF CHEMISTRY (2022)

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Article Chemistry, Multidisciplinary

Lewis acid-triggered photocatalytic hydrogen peroxide production in an aluminum-based metal-organic framework

Yoshifumi Kondo et al.

Summary: Al-MIL-101-NH2, previously considered inactive, can produce hydrogen peroxide under visible-light irradiation and effectively suppress its decomposition. The low-coordination Lewis acid sites in trimetric Al-oxo clusters are crucial for electron transfer to O-2.

CHEMICAL COMMUNICATIONS (2022)

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Article Engineering, Environmental

Design Principles and Strategies of Photocatalytic H2O2 Production from O2 Reduction

Shuai Wu et al.

Summary: This article introduces the basic mechanism of photocatalytic H2O2 production from O2 reduction and proposes universal strategies and design principles to enhance the performance of photocatalytic H2O2 production. The article also presents the prospects and suggestions for the future development of photocatalytic H2O2 production.

ACS ES&T ENGINEERING (2022)

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Review Chemistry, Multidisciplinary

Porous organic polymers as a platform for sensing applications

Shitao Wang et al.

Summary: Porous organic polymers (POPs) have gained widespread attention as a promising material for sensing applications. This review provides a comprehensive overview of POPs as a sensing platform, summarizing the various applications of POP-based sensors and discussing their structure, synthetic strategies, and sensing mechanisms.

CHEMICAL SOCIETY REVIEWS (2022)

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Review Chemistry, Multidisciplinary

Electrochemical and Photoelectrochemical Water Oxidation for Hydrogen Peroxide Production

Yudong Xue et al.

Summary: This paper reviews recent developments in EC/PEC H2O2 production through water oxidation, including fundamental aspects, benchmark activity evaluation, material/catalyst selection, and strategies for increasing selectivity, efficiency, and accumulation. The challenges and outlook for water oxidation in H2O2 production are also discussed, with a focus on device-level development, accumulation and stability, and industrial applications. The review aims to inspire further research in improving EC/PEC H2O2 production.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Review Biotechnology & Applied Microbiology

Recent developments in the use of peroxygenases - Exploring their high potential in selective oxyfunctionalisations

Markus Hobisch et al.

Summary: Peroxygenases are a new class of enzymes that allow selective oxyfunctionalisation reactions without the need for a cofactor, different from well-known P450 monooxygenases. Recent developments in organic synthesis, molecular biotechnology, and reaction engineering have focused on utilizing these enzymes in industrial applications. There is great potential for peroxygenases in selective oxyfunctionalisations and further studies are required to explore their full capabilities in organic synthesis.

BIOTECHNOLOGY ADVANCES (2021)

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Article Chemistry, Multidisciplinary

Enhanced Mass Transfer of Oxygen through a Gas-Liquid-Solid Interface for Photocatalytic Hydrogen Peroxide Production

Lejing Li et al.

Summary: This study introduces a COF-based photocatalyst that can efficiently reduce O-2 to H2O2 in pure water under visible-light irradiation, overcoming the mass-transfer limitation of oxygen in water. By loading this catalyst onto a porous substrate to create a triphase interface, the production rate of H2O2 is significantly increased.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Physical

Nanostructured KxNa1-xNbO3 hollow spheres as potential materials for the photocatalytic treatment of polluted water

Fabiano R. Praxedes et al.

Summary: The study investigated potassium-sodium niobate-based hollow spheres for photocatalytic degradation of Basic Blue 41 dye, finding that increasing potassium content can promote structure distortion, reactive oxygen species generation, and enhance photocatalytic activity.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

Dual Role of Missing-Linker Defects Terminated by Acetate Ligands in a Zirconium-Based MOF in Promoting Photocatalytic Hydrogen Peroxide Production

Yoshifumi Kondo et al.

Summary: Defect engineering using acetic acid as a modulator on a zirconium-based metal-organic framework (UiO-66-NH2) effectively enhances the photocatalytic performance in hydrogen peroxide (H2O2) production. Introducing missing-linker defects with acetate ligands promotes the linker-to-cluster charge transfer (LCCT) process and suppresses H2O2 decomposition, leading to higher H2O2 concentration under light irradiation.

JOURNAL OF PHYSICAL CHEMISTRY C (2021)

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Article Multidisciplinary Sciences

Metal-organic framework membranes with single-atomic centers for photocatalytic CO2 and O2 reduction

Yu-Chen Hao et al.

Summary: The research demonstrates that by decorating porous metal-organic framework membranes with metal single atoms, the photoreduction of CO2 and O-2 can be promoted, enhancing gas diffusion and activation for efficient liquid fuel production.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Physical

Piperazine-based two-dimensional covalent organic framework for high performance anodic lithium storage

Rui Zhou et al.

Summary: The designed and synthesized PTDCOF, a piperazine-based two-dimensional covalent organic framework, exhibits regular pores and excellent stability, showing high performance as a lithium storage material.

ENERGY STORAGE MATERIALS (2021)

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Article Chemistry, Physical

Heterometallic and Hydrophobic Metal-Organic Frameworks as Durable Photocatalysts for Boosting Hydrogen Peroxide Production in a Two-Phase System

Xiaolang Chen et al.

Summary: In this study, a hydrophobic iron-doped zirconium-based metal-organic framework (OPA/Fe-Zr-MOF) was prepared and utilized for photocatalytic production of H2O2 in water phase while oxidizing benzyl alcohol in the organic phase. The hydrophobic OPA/Fe-Zr-MOF exhibited high activity in H2O2 production, attributed to Fe3+ doping and unique hydrophobicity. This research expands the application of hydrophobic MOFs in solar-to-chemical energy conversion.

ACS APPLIED ENERGY MATERIALS (2021)

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Review Chemistry, Multidisciplinary

Metal-Organic Frameworks: Molecules or Semiconductors in Photocatalysis?

Nikita Kolobov et al.

Summary: Metal-organic frameworks (MOFs) offer unique possibilities for tailored physical properties in the realm of solids due to their modular, molecular make-up. Although MOFs show adaptable properties for photocatalysis, they are positioned between semiconductor physics and homogeneous photocatalysis in some areas. The gap between theory and experiment in certain areas suggests a need for further exploration and refinement.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

Carbon nitride assisted 2D conductive metal-organic frameworks composite photocatalyst for efficient visible light-driven H2O2 production

Yajie Zhao et al.

Summary: By constructing a C3N4-assisted Ni-CAT composite catalyst, it is possible to produce H2O2 through 2e(-) oxygen reduction reaction under visible light. Ni-CAT serves as the main active component for the oxygen reduction reaction, while C3N4 assists by providing electrons to inhibit carrier recombination.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Green & Sustainable Science & Technology

Electronic Tuning of Covalent Triazine Framework Nanoshells for Highly Efficient Photocatalytic H2O2 Production

Xiaohan Yu et al.

Summary: This study introduces a novel approach to tune the electronic structures of organic photocatalysts by comonomer doping strategy, resulting in enhanced efficiency of H2O2 production.

ADVANCED SUSTAINABLE SYSTEMS (2021)

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Article Chemistry, Physical

Visible-light-driven hydrogen peroxide production from water and dioxygen by perylenetetracarboxylic diimide modified titanium-based metal-organic frameworks

Xiaolang Chen et al.

Summary: This study successfully enhanced the photocatalytic separation and transfer efficiency of MOFs by constructing a heterojunction structure, leading to efficient H2O2 production. MIL-125-PDI showed a higher H2O2 production rate and better stability compared to MIL-125-NH2 with noble-metal Pt nanoparticles as co-catalysts.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Multidisciplinary

Sustainable plasma-catalytic bubbles for hydrogen peroxide synthesis

Renwu Zhou et al.

Summary: The argon plasma-catalytic bubble process efficiently synthesizes H2O2 underwater using water as a reactant and solar radiation as the energy source. The principal route of H2O2 generation is the combination of dissolved (OH)-O-center dot radicals at the plasma-liquid interface of forming bubbles. Employing dual reactors and a strongly interfacial-coupled photocatalyst leads to high H2O2 production rate and energy efficiency.

GREEN CHEMISTRY (2021)

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Review Chemistry, Multidisciplinary

Photoredox catalysis over semiconductors for light-driven hydrogen peroxide production

Xiangkang Zeng et al.

Summary: Hydrogen peroxide is a widely used commodity chemical, but its current industrial production process is not sustainable. Utilizing photoredox catalysis over semiconductors, solar energy can be harnessed for sustainable production of H2O2 from water and oxygen. This review discusses the latest advances and main pathways in light-driven H2O2 production.

GREEN CHEMISTRY (2021)

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Article Chemistry, Physical

Introduction of a secondary ligand into titanium-based metal-organic frameworks for visible-light-driven photocatalytic hydrogen peroxide production from dioxygen reduction

Xiaolang Chen et al.

Summary: The introduction of the ligand 4,4 ',4 '',4 '''-(pyrene-1,3,6,8-tetrayl)tetrabenzoic acid (L2) into MIL-125 during its synthesis resulted in the successful preparation of four L2-functionalized titanium-based MOFs, MIL-125-xL2 (x = 0.035, 0.07, 0.14, and 0.21). These MOFs exhibited morphology changes, increased structural defects, larger surface areas, and higher H2O2 production rates under visible-light irradiation, showcasing their potential as visible-light-driven catalysts for new energy production.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Review Chemistry, Inorganic & Nuclear

The applications and prospects of hydrophobic metal-organic frameworks in catalysis

Lin Liu et al.

Summary: In recent years, a large number of hydrophobic/superhydrophobic metal-organic frameworks (MOFs) have been developed, showing unique advantages in catalysis with lower water affinity and enhanced hydrolytic stability. These hydrophobic MOFs can be prepared by one-step method or post-synthesis modification, and demonstrate superior performance in certain reactions.

DALTON TRANSACTIONS (2021)

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Article Chemistry, Multidisciplinary

Boron containing metal-organic framework for highly selective photocatalytic production of H2O2 by promoting two-electron O-2 reduction

Yujie Li et al.

Summary: A zirconium-based metal-organic framework containing boron (UiO-66-B) was prepared as an efficient photocatalyst for H2O2 production. The role of boron in enhancing H2O2 generation efficiency was highlighted through theoretical calculations and experimental results, providing a new strategy for designing photocatalysts with excellent H2O2 evolution efficiency.

MATERIALS HORIZONS (2021)

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Article Chemistry, Multidisciplinary

Acetylene and Diacetylene Functionalized Covalent Triazine Frameworks as Metal-Free Photocatalysts for Hydrogen Peroxide Production: A New Two-Electron Water Oxidation Pathway

Liang Chen et al.

ADVANCED MATERIALS (2020)

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Review Chemistry, Multidisciplinary

Hydrophobic Metal-Organic Frameworks: Assessment, Construction, and Diverse Applications

Lin-Hua Xie et al.

ADVANCED SCIENCE (2020)

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Article Chemistry, Multidisciplinary

Synthesis of Stable Thiazole-Linked Covalent Organic Frameworks via a Multicomponent Reaction

Kewei Wang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Engineering, Environmental

Mxene-modulated dual-heterojunction generation on a metal-organic framework (MOF) via surface constitution reconstruction for enhanced photocatalytic activity

You Wu et al.

CHEMICAL ENGINEERING JOURNAL (2020)

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Review Chemistry, Physical

Metal-Organic Frameworks (MOFs) and Covalent Organic Frameworks (COFs) Applied to Photocatalytic Organic Transformations

Alberto Lopez-Magano et al.

CATALYSTS (2020)

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Article Chemistry, Physical

Sulfamethoxazole degradation by visible light assisted peroxymonosulfate process based on nanohybrid manganese dioxide incorporating ferric oxide

Ruonan Guo et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2020)

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Article Chemistry, Multidisciplinary

Intrinsic Activity of Metal Centers in Metal-Nitrogen-Carbon Single-Atom Catalysts for Hydrogen Peroxide Synthesis

Chang Liu et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Chemistry, Multidisciplinary

Strongly Reducing (Diarylamino)benzene-Based Covalent Organic Framework for Metal-Free Visible Light Photocatalytic H2O2 Generation

Chidharth Krishnaraj et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Chemistry, Physical

A hydrophobic titanium doped zirconium-based metal organic framework for photocatalytic hydrogen peroxide production in a two-phase system

Xiaolang Chen et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Review Materials Science, Multidisciplinary

Porous Two -Dimensional Materials for Photocatalytic and Electrocatalytic Applications

He Wang et al.

MATTER (2020)

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Article Chemistry, Physical

Metal-organic framework-based nanomaterials for photocatalytic hydrogen peroxide production

Xiaolang Chen et al.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2020)

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Article Chemistry, Physical

A Ti-based bi-MOF for the tandem reaction of H2O2 generation and catalytic oxidative desulfurization

Xiaoyuan Liao et al.

CATALYSIS SCIENCE & TECHNOLOGY (2020)

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Review Chemistry, Multidisciplinary

Covalent triazine frameworks - a sustainable perspective

Chidharth Krishnaraj et al.

GREEN CHEMISTRY (2020)

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Article Chemistry, Multidisciplinary

Two-Phase System Utilizing Hydrophobic Metal-Organic Frameworks (MOFs) for Photocatalytic Synthesis of Hydrogen Peroxide

Yusuke Isaka et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

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Article Chemistry, Multidisciplinary

Turning on Visible-Light Photocatalytic C-H Oxidation over Metal-Organic Frameworks by Introducing Metal-to-Cluster Charge Transfer

Caiyun Xu et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2019)

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Review Polymer Science

Recent Advancements in the Synthesis of Covalent Triazine Frameworks for Energy and Environmental Applications

Ying Zhang et al.

POLYMERS (2019)

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Article Nanoscience & Nanotechnology

Mechanistic Insight into Photocatalytic Pathways of MIL-100(Fe)/TiO2 Composites

Xiang He et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Review Chemistry, Multidisciplinary

Adsorptive separation of carbon dioxide: From conventional porous materials to metal-organic frameworks

Dong-Dong Zhou et al.

ENERGYCHEM (2019)

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Article Chemistry, Multidisciplinary

Ti cluster-alkylated hydrophobic MOFs for photocatalytic production of hydrogen peroxide in two-phase systems

Yudai Kawase et al.

CHEMICAL COMMUNICATIONS (2019)

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Review Chemistry, Analytical

Hydrogen Peroxide Sensors for Biomedical Applications

Jakob Meier et al.

CHEMOSENSORS (2019)

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Review Chemistry, Physical

Covalent triazine frameworks: synthesis and applications

Manying Liu et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

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Article Chemistry, Multidisciplinary

Photocatalytic production of hydrogen peroxide through selective two-electron reduction of dioxygen utilizing amine-functionalized MIL-125 deposited with nickel oxide nanoparticles

Yusuke Isaka et al.

CHEMICAL COMMUNICATIONS (2018)

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Review Engineering, Environmental

Principle and application of hydrogen peroxide based advanced oxidation processes in activated sludge treatment: A review

Renpeng Guan et al.

CHEMICAL ENGINEERING JOURNAL (2018)

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Editorial Material Chemistry, Physical

Direct Synthesis of H2O2 from H2 and O2 on Pd Catalysts: Current Understanding, Outstanding Questions, and Research Needs

David W. Flaherty

ACS CATALYSIS (2018)

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Article Multidisciplinary Sciences

Facile transformation of imine covalent organic frameworks into ultrastable crystalline porous aromatic frameworks

Xinle Li et al.

NATURE COMMUNICATIONS (2018)

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Article Multidisciplinary Sciences

Topochemical conversion of an imine-into a thiazole-linked covalent organic framework enabling real structure analysis

Frederik Haase et al.

NATURE COMMUNICATIONS (2018)

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Review Chemistry, Multidisciplinary

Metal-Organic Framework (MOF) Compounds: Photocatalysts for Redox Reactions and Solar Fuel Production

Amarajothi Dhakshinamoorthy et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2016)

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Article Chemistry, Multidisciplinary

Hydrogen Peroxide: A Key Chemical for Today's Sustainable Development

Rosaria Ciriminna et al.

CHEMSUSCHEM (2016)

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Review Chemistry, Multidisciplinary

Metal-organic frameworks for artificial photosynthesis and photocatalysis

Teng Zhang et al.

CHEMICAL SOCIETY REVIEWS (2014)

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Review Chemistry, Multidisciplinary

Engineering in direct synthesis of hydrogen peroxide: targets, reactors and guidelines for operational conditions

Juan Garcia-Serna et al.

GREEN CHEMISTRY (2014)

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Article Chemistry, Multidisciplinary

Engineering the Optical Response of the Titanium-MIL-125 Metal-Organic Framework through Ligand Functionalization

Christopher H. Hendon et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2013)

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Article Chemistry, Multidisciplinary

Porous, covalent triazine-based frameworks prepared by ionothermal synthesis

Pierre Kuhn et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2008)

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Review Chemistry, Multidisciplinary

Hydrogen peroxide synthesis: An outlook beyond the anthraquinone process

Jose M. Campos-Martin et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2006)

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Article Multidisciplinary Sciences

Porous, crystalline, covalent organic frameworks

AP Côté et al.

SCIENCE (2005)

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