Synergistically coupling CoS/FeS<sub>2</sub> heterojunction nanosheets on a MXene <i>via</i> a dual molten salt etching strategy for efficient oxygen evolution reaction

Zhang, Zuliang; Liang, Tian; Jin, Chulong; Zhang, Shuyi; Cui, Yuanyuan; Chen, Jinxing; Zeng, Xiaojun

doi:10.1039/d4ta01999g

J. Mater. Chem. A

2024

DOI: 10.1039/d4ta01999g

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Synergistically coupling CoS/FeS₂ heterojunction nanosheets on a MXene via a dual molten salt etching strategy for efficient oxygen evolution reaction

Zuliang Zhang,

Tian Liang,

Chulong Jin

et al.

Abstract: Metal sulfides exhibit good catalytic activity for the oxygen evolution reaction (OER) due to their distinctive electronic and structural properties; however, their inadequate electrical conductivity hinders electron transfer, while easy...

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Cited by 7 publications

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Multifunctional Electromagnetic Responsive Porous Materials Synthesized by Freeze Casting: Principles, Progress, and Prospects

Ning,

Zeng,

Huang

et al. 2024

Adv Funct Materials

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Freeze casting is a solidification technique utilized in the fabrication of porous materials. However, the freeze casting process is quite complex, and significant challenges remain in precisely controlling the pore size and shape of porous structures. This study aims to investigate the customization of multifunctional electromagnetic wave (EMW) absorbers with 3D porous structures via freeze casting. This review initially presents the fundamental principles underlying the freeze casting technique and examines the correlation between internal and external factors during the preparation process and porosity. The emerging trends in constructing novel and intricate macroscopic structures through freeze casting are subsequently outlined. Furthermore, this review focuses on the fabrication of composites with various porous microstructures through freeze casting of low‐dimensional building blocks, and their EMW response and multifunctional properties. By regulating the internal and external influencing mechanisms of freeze casting, porous EMW absorption materials exhibit outstanding advantages such as electromagnetic property manipulation, controllable structure, high porosity, high specific surface area, lightweight, and flexibility. These features broaden their applications in electromagnetic shielding, mechanical property, radar stealth, thermal insulation and fire prevention, flexible sensors, antifreeze ability, etc. In addition, we discuss the challenges and prospects of high‐performance EMW absorbers using freeze casting techniques.

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Multifunctional Electromagnetic Responsive Porous Materials Synthesized by Freeze Casting: Principles, Progress, and Prospects

Ning,

Zeng,

Huang

et al. 2024

Adv Funct Materials

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Rational Design of Heterostructured MXene‐Based Nanomaterials in Electrocatalytic Water Splitting

Zhao,

Murad,

Pei

et al. 2024

ChemCatChem

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Hydrogen energy is widely considered the potential energy resource for energy conversion systems owing to its high energy density and pollution‐free nature. This review provides a comprehensive overview of recent advancements in heterostructured MXenes for hydrogen production. The fundamental properties of MXenes and their unique contribution to catalytic application are addressed, including the synthesis strategies, interlayer modification, and hybridization with other materials to enhance catalytic performance. Comparative analysis highlights the effect of different heterostructured MXenes on enhanced catalytic efficiency by tuning their electronic properties and increasing the surface interactions. We provide the future research direction and challenges of functionalized MXene composites, such as material stability, scalability, and environmental impact. Ultimately, the recent progress underscores the potential of heterostructured MXenes in advancing hydrogen production technologies, offering a path toward cleaner energy solutions.

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MXene Electrocatalysts: Transformative Approaches in Hydrogen Production with Alternative Anode Reactions

Sundarraj,

Vadivel,

Murthy

et al. 2024

Small

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Water electrolyzer is crucial for producing clean hydrogen, but the traditional approach faces challenges owing to the oxygen evolution reaction (OER) slow kinetics at the anode. Hybrid water splitting replaces the OER with the oxidation of an organic molecule to enhance hydrogen production along with value‐added products. The scarcity of affordable and highly effective catalysts remains a major challenge. MXene, a 2D nanomaterial, has gained substantial attention for its enviable properties, for instance high conductivity, hydrophilicity, and substantial surface area. This review discusses experimental methods for synthesizing MXene and MXene‐based nanocomposites. Furthermore, the small molecules oxidation such as benzyl alcohol, methanol, ethanol, urea, hydrazine, furfural, and formic acid as alternatives to the oxygen evolution reaction is examined. Finally, an understanding of imminent research and the development of MXene‐associated materials in electrocatalytic applications are presented.

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Synergistically coupling CoS/FeS₂ heterojunction nanosheets on a MXene via a dual molten salt etching strategy for efficient oxygen evolution reaction

Abstract: Metal sulfides exhibit good catalytic activity for the oxygen evolution reaction (OER) due to their distinctive electronic and structural properties; however, their inadequate electrical conductivity hinders electron transfer, while easy...

Cited by 7 publications

References 59 publications

Multifunctional Electromagnetic Responsive Porous Materials Synthesized by Freeze Casting: Principles, Progress, and Prospects

Multifunctional Electromagnetic Responsive Porous Materials Synthesized by Freeze Casting: Principles, Progress, and Prospects

Rational Design of Heterostructured MXene‐Based Nanomaterials in Electrocatalytic Water Splitting

MXene Electrocatalysts: Transformative Approaches in Hydrogen Production with Alternative Anode Reactions

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Synergistically coupling CoS/FeS2 heterojunction nanosheets on a MXene via a dual molten salt etching strategy for efficient oxygen evolution reaction

Abstract: Metal sulfides exhibit good catalytic activity for the oxygen evolution reaction (OER) due to their distinctive electronic and structural properties; however, their inadequate electrical conductivity hinders electron transfer, while easy...

Cited by 7 publications

References 59 publications

Multifunctional Electromagnetic Responsive Porous Materials Synthesized by Freeze Casting: Principles, Progress, and Prospects

Multifunctional Electromagnetic Responsive Porous Materials Synthesized by Freeze Casting: Principles, Progress, and Prospects

Rational Design of Heterostructured MXene‐Based Nanomaterials in Electrocatalytic Water Splitting

MXene Electrocatalysts: Transformative Approaches in Hydrogen Production with Alternative Anode Reactions

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Product

Resources

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Synergistically coupling CoS/FeS₂ heterojunction nanosheets on a MXene via a dual molten salt etching strategy for efficient oxygen evolution reaction