The space-charge region at NiFe-MOF⊆LDH p-n junction by self-sacrificing LDH to boost oxygen evolution tandem with in-situ electro-Fenton

Zhang, Na; Guan, Shi-Xian; Zhang, Qing; Zhao, Jiarong; Zhang, Jianyong; Ke, Qinfei; Fang, Yongzheng

doi:10.1016/j.cej.2023.145223

Chemical Engineering Journal

2023

DOI: 10.1016/j.cej.2023.145223

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The space-charge region at NiFe-MOF⊆LDH p-n junction by self-sacrificing LDH to boost oxygen evolution tandem with in-situ electro-Fenton

Na Zhang

Shi-Xian Guan

Qing Zhang

et al.

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2024

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Cited by 17 publications

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Revolutionizing Oxygen Evolution Reaction Catalysts: Efficient and Ultrastable Interstitial W‐Doped NiFe‐LDHs/MOFs through Controlled Topological Conversion of Metal‐Organic Frameworks

Bao,

Liang,

Zhang

et al. 2024

Advanced Energy Materials

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Although metal‐organic frameworks (MOFs) show promise as electrocatalysts due to their unique intrinsic features, their activity and stability often fall short. Herein, NiFe‐MOFs is used as a model to introduce group VIB metalates (Na2WO4, Na2CrO4, and Na2MoO4) into the topological conversion process of layer double hydroxide (LDHs)/MOFs, creating a series of interstitial VIB element‐doped LDHs/MOFs catalysts. The metalates engage in the alkaline hydrolysis process of MOF, generating LDHs on the MOF surface. Furthermore, altering the pH value in the reaction environment can modify the catalysts' morphology, dopant/LDHs content, and electronic structure. Consequently, the prepared interstitial W‐doped NiFe‐LDHs/MOFs catalyst displays superior catalytic performance, with overpotentials of only 250 mV at 500 mA cm−2. Moreover, a homemade anion‐exchange membrane water electrolysis (AEMWE) system featuring the fabricated electrocatalyst as the anode can operate stably for 500 hours at 1 A cm−2. The exceptional catalytic activity and stability stem from optimized intermediate adsorption/desorption behavior and the unique LDHs/MOFs nanostructure. This work not only highlights the potential of the catalysts for practical applications but also offers a new design approach for modulating MOFs using an alkaline hydrolysis strategy.

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Revolutionizing Oxygen Evolution Reaction Catalysts: Efficient and Ultrastable Interstitial W‐Doped NiFe‐LDHs/MOFs through Controlled Topological Conversion of Metal‐Organic Frameworks

Bao,

Liang,

Zhang

et al. 2024

Advanced Energy Materials

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Photothermal flows activated CsPbBr3 ⊆ Pb-TCPP S-scheme heterojunction: In-situ converted interface for robust CO2 reduction coupling with benzylamine oxidation

Luo,

Peng,

Tang

et al. 2024

Chemical Engineering Journal

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Porous liquids assisted in-situ generated Co-LDH@MOF heterostructure with abundant defects for flame retardant and mechanical enhancement in polyurea composites

Song,

Bi,

Wang

et al. 2024

Chemical Engineering Journal

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The space-charge region at NiFe-MOF⊆LDH p-n junction by self-sacrificing LDH to boost oxygen evolution tandem with in-situ electro-Fenton

Cited by 17 publications

References 54 publications

Revolutionizing Oxygen Evolution Reaction Catalysts: Efficient and Ultrastable Interstitial W‐Doped NiFe‐LDHs/MOFs through Controlled Topological Conversion of Metal‐Organic Frameworks

Revolutionizing Oxygen Evolution Reaction Catalysts: Efficient and Ultrastable Interstitial W‐Doped NiFe‐LDHs/MOFs through Controlled Topological Conversion of Metal‐Organic Frameworks

Photothermal flows activated CsPbBr3 ⊆ Pb-TCPP S-scheme heterojunction: In-situ converted interface for robust CO2 reduction coupling with benzylamine oxidation

Porous liquids assisted in-situ generated Co-LDH@MOF heterostructure with abundant defects for flame retardant and mechanical enhancement in polyurea composites

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