Controlled synthesis of Cu,Fe dual-atom catalysts restrained on metal–organic frameworks for efficient O<sub>2</sub> activation

Xue, Qi; Wun, Ching Kit Tommy; Chen, Tianxiang; Kawaguchi, Shogo; Day, Sarah; Tang, Chiu C.; Wu, Tai‐Sing; Soo, Y. L.; Lin, Cong; Peng, Yung‐Kang; Yin, Jun; Lo, Benedict T. W.

doi:10.1039/d3ta01675g

J. Mater. Chem. A

2023

DOI: 10.1039/d3ta01675g

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Controlled synthesis of Cu,Fe dual-atom catalysts restrained on metal–organic frameworks for efficient O₂ activation

Qi Xue

Ching Kit Tommy Wun

Tianxiang Chen

et al.

Abstract: Supported bimetallic dual-atom catalysts (DACs) have been regarded as a promising class of materials for small molecule activation, but their syntheses remain challenging. Here, we report the controlled synthesis of...

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2024

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Cited by 3 publications

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Advances in the Development of Dual‐Atom Catalysts: Structural Characterization and Diversified Catalytic Applications

Zhang,

Liu,

Cui

2024

ChemCatChem

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Atomically dispersed metal atoms on supports exhibit distinctive advantages in maximizing atomic utilization, which plays an indispensable role in the fabrication of cost‐effective catalysts. In particular, dual‐atom catalysts (DACs) containing dual active sites not only retain the merits of single‐atom catalysts (SACs), but also introduce diverse interactions between the two adjacent metal atoms, endowing them with superior catalytic performance and a broad range of applications. With the development of DACs, it is important to identify active sites and establish intrinsic catalytic mechanisms relationship. The general characterization methods for DACs are comprehensively summarized here, especially the structural nature of dual active sites is discussed in detail. Subsequently, the representative scientific research efforts in various applications including thermocatalysis, electrocatalysis, and photocatalysis are described, with emphasis on structure‐property relationships. Finally, a summary and some prospects for the future of advanced DACs are presented.

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Advances in the Development of Dual‐Atom Catalysts: Structural Characterization and Diversified Catalytic Applications

Zhang,

Liu,

Cui

2024

ChemCatChem

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Confined Cu Single Sites in ZSM‐5 for Photocatalytic Hydroxylation of Benzene to Phenol

Zhang,

Ding,

Hui

et al. 2024

Small

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Zeolites with band‐like charge transport properties have exhibited their potential activities in sensing, optics, and electronics. Herein, a precisely designed Cu@ZSM‐5 catalyst is presented with an ultra‐wide bandgap of 4.27 eV, showing excellent photocatalytic activity in hydroxylation of benzene with benzene conversion 27.9% and phenol selectivity 97.6%. The SXRD and Rietveld refinement results illustrate that Cu@ZSM‐5 has an average of 0.8 Cu atoms per unit cell and the single Cu atoms located in the cross‐section of the sinusoidal and straight channels. XANES and EXAFS further demonstrate that the Cu atoms have an oxidation state of +2, coordinated with three OMFI‐framework atoms and one ─OH group. Detailed characterizations demonstrate that the Cu@ZSM‐5 with tailored bandgap is able to enhance the photoinduced electron‐hole separation and hence promote selective hydroxylation of benzene to phenol via the superoxide radical route. This work may open a new way for designing electrically conductive zeolite‐supported photocatalysts.

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Dual synergies of functionalized hydrophilic MOFs based poly (aryl ether ketone sulfone) ultrafiltration membranes: Electrostatic action and pore size screening

Lan,

Chang,

Song

et al. 2024

Journal of Environmental Chemical Engineering

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Controlled synthesis of Cu,Fe dual-atom catalysts restrained on metal–organic frameworks for efficient O₂ activation

Abstract: Supported bimetallic dual-atom catalysts (DACs) have been regarded as a promising class of materials for small molecule activation, but their syntheses remain challenging. Here, we report the controlled synthesis of...

Cited by 3 publications

References 38 publications

Advances in the Development of Dual‐Atom Catalysts: Structural Characterization and Diversified Catalytic Applications

Advances in the Development of Dual‐Atom Catalysts: Structural Characterization and Diversified Catalytic Applications

Confined Cu Single Sites in ZSM‐5 for Photocatalytic Hydroxylation of Benzene to Phenol

Dual synergies of functionalized hydrophilic MOFs based poly (aryl ether ketone sulfone) ultrafiltration membranes: Electrostatic action and pore size screening

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Controlled synthesis of Cu,Fe dual-atom catalysts restrained on metal–organic frameworks for efficient O2 activation

Abstract: Supported bimetallic dual-atom catalysts (DACs) have been regarded as a promising class of materials for small molecule activation, but their syntheses remain challenging. Here, we report the controlled synthesis of...

Cited by 3 publications

References 38 publications

Advances in the Development of Dual‐Atom Catalysts: Structural Characterization and Diversified Catalytic Applications

Advances in the Development of Dual‐Atom Catalysts: Structural Characterization and Diversified Catalytic Applications

Confined Cu Single Sites in ZSM‐5 for Photocatalytic Hydroxylation of Benzene to Phenol

Dual synergies of functionalized hydrophilic MOFs based poly (aryl ether ketone sulfone) ultrafiltration membranes: Electrostatic action and pore size screening

Contact Info

Product

Resources

About

Controlled synthesis of Cu,Fe dual-atom catalysts restrained on metal–organic frameworks for efficient O₂ activation