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

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Defect-engineering of Zr(IV)-based metal-organic frameworks for regulating CO2 photoreduction

Shi-Qing Wang et al.

Summary: The study found that defects in MOFs can significantly enhance the photocatalytic performance of CO2 reduction, with the ligand-vacant UiO-66-NH2-LV exhibiting the best photocatalytic activity.

CHEMICAL ENGINEERING JOURNAL (2022)

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A Thermally Stable Undulated Coordination Layer Showing a Sequentially Interweaving 2D → 3D Net as a Turn-On Sensor for Luminescence Detection of Al3+ in Water

Wei-Ting Chen et al.

Summary: A Zn coordination polymer with high thermal stability was successfully synthesized and showed high sensitivity and anti-interference ability towards Al3+ ions, while maintaining high luminescence stability and reusability over a long period. Spectroscopic evidence suggested weak framework-analyte interactions between the ligand units in the polymer and the Al3+ ions, leading to luminescence turn-on sensing.

CRYSTAL GROWTH & DESIGN (2022)

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Atomically Dispersed Janus Nickel Sites on Red Phosphorus for Photocatalytic Overall Water Splitting

Menglong Wang et al.

Summary: Single-atom nickel catalysts prepared on red phosphorus using a reactive-group guided strategy exhibit elevated hydrogen evolution rate under visible-light irradiation due to their specific Janus structure.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Toward Optimal Photocatalytic Hydrogen Generation from Water Using Pyrene-Based Metal-Organic Frameworks

F. Pelin Kinik et al.

Summary: Metal-organic frameworks (MOFs) show promise for the photocatalytic H-2 evolution reaction, but finding the optimal MOF involves considering various factors. This study investigated the photocatalytic HER performance of a set of pyrene-based MOFs with different metals, revealing the effects of metal nodes on factors contributing to HER rate. Additionally, the study explored the impact of crystal morphology changes on the photocatalytic HER rate for specific MOFs.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Review Chemistry, Multidisciplinary

Carbon-Based Electrocatalysts for Efficient Hydrogen Peroxide Production

Yunfei Bu et al.

Summary: This study highlights the importance of carbon-based materials and their optimization strategies in hydrogen peroxide production, emphasizing their crucial role in the catalysis of the oxygen reduction reaction. Furthermore, there is a better understanding of factors such as functional group design and electrolyte pH that affect the selective efficiency of H2O2 production.

ADVANCED MATERIALS (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 Chemistry, Physical

Nitrogenase-inspired bimetallic metal organic frameworks for visible-light-driven nitrogen fixation

Ke An et al.

Summary: Inspired by nitrogenase, a metal-organic framework (MOF) photocatalyst, U(Zr-Hf)-X, was designed with bimetallic Zr-Hf nodes and functional ligands for efficient nitrogen fixation under visible-light. The optimized photocatalyst showed a high nitrogen fixation rate under visible-light, demonstrating the potential for visible-light-driven nitrogen fixation catalysts through a rational design approach.

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Modulating Coordination Environment of Single-Atom Catalysts and Their Proximity to Photosensitive Units for Boosting MOF Photocatalysis

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Summary: A general and facile strategy for the construction of high-loading single-atom catalysts with a tunable coordination microenvironment has been developed based on metal-organic frameworks. The well-accessible and atomically dispersed metal sites possess close proximity to photosensitive units, greatly accelerating charge transfer and promoting photocatalysis. The optimized Ni-1-S/MOF with a unique Ni(I) microenvironment presents excellent photocatalytic H-2 production activity, surpassing other counterparts.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Chemistry, Physical

Photoreduction of Carbon Dioxide to Formic Acid with Fe-Based MOFs: The Promotional Effects of Heteroatom Doping and Alloy Nanoparticle Confinement

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Nucleophilic versus Electrophilic Activation of Hydrogen Peroxide over Zr-Based Metal-Organic Frameworks

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Photocatalytic H2O2 production from O2 under visible light irradiation over phosphate ion-coated Pd nanoparticles-supported BiVO4

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APPLIED CATALYSIS B-ENVIRONMENTAL (2020)

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Photoinduction of Cu Single Atoms Decorated on UiO-66-NH2 for Enhanced Photocatalytic Reduction of CO2 to Liquid Fuels

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Metal-Organic-Framework-Based Photocatalysts Optimized by Spatially Separated Cocatalysts for Overall Water Splitting

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Tuning the Properties of Zr6O8 Nodes in the Metal Organic Framework UiO-66 by Selection of Node-Bound Ligands and Linkers

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Protons Make Possible Heterolytic Activation of Hydrogen Peroxide over Zr-Based Metal-Organic Frameworks

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Switching on the Photocatalysis of Metal-Organic Frameworks by Engineering Structural Defects

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ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2019)

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Hydrogen Peroxide Production from Solar Water Oxidation

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

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