Facile synthesis of Ru-incorporated NiFe-MOF nanosheet heterostructures as an efficient bifunctional electrocatalyst

IF 2.3 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Frontiers of Materials Science Pub Date : 2025-06-10 DOI:10.1007/s11706-025-0731-2

Fangqing Zou, Ye Xiao, Xianshu Qiao, Chuanjin Tian, Chang-An Wang

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Abstract

Constructing specific noble metal/metal—organic framework (MOF) nanoheterostructures is an effective strategy for promoting water electrolysis, yet remains highly challenging due to complex synthesis methods, difficulties in structural characterization, and the demanding nature of performance optimization. In this work, a heterojunction electrocatalyst was developed through growing Ru nanoparticles on NiFe-MOF nanosheets (NSs) supported by nickel foam (NF) using an easily accessible solvothermal method followed by an annealing strategy. Owing to the electronic interaction between Ru nanoparticles and NiFe-MOF NSs, the optimized Ru@NiFe-MOF/NF catalyst exhibits excellent bifunctional performance for the hydrogen evolution reaction (with an overpotential of 84 mV at 10 mA·cm⁻²) and the oxygen evolution reaction (with an overpotential of 240 mV at 10 mA·cm⁻²) in a 1.0 mol·L⁻¹ KOH solution, which is superior to that of commercial catalysts. This study highlights a promising strategy for designing and developing efficient electrocatalysts for overall water electrolysis.

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作为高效双功能电催化剂的ru掺杂nfe - mof纳米片异质结构的快速合成

构建特定的贵金属/金属有机框架（MOF）纳米异质结构是促进水电解的有效策略，但由于合成方法复杂、结构表征困难以及性能优化要求高，仍然具有很高的挑战性。在这项工作中，通过使用易于获得的溶剂热法和退火策略，在泡沫镍（NF）支撑的nfe - mof纳米片（NSs）上生长Ru纳米颗粒，开发了一种异质结电催化剂。由于Ru纳米颗粒与nfe - mof NSs之间的电子相互作用，优化后的Ru@NiFe-MOF/NF催化剂在1.0 mol·L−1 KOH溶液中表现出良好的析氢反应（10 mA·cm−2时过电位84 mV）和析氧反应（10 mA·cm−2时过电位240 mV）的双功能性能，优于商品催化剂。该研究强调了设计和开发高效电催化剂用于整体水电解的有希望的策略。

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来源期刊

Frontiers of Materials Science MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

4.20

自引率

3.70%

发文量

515

期刊介绍： Frontiers of Materials Science is a peer-reviewed international journal that publishes high quality reviews/mini-reviews, full-length research papers, and short Communications recording the latest pioneering studies on all aspects of materials science. It aims at providing a forum to promote communication and exchange between scientists in the worldwide materials science community. The subjects are seen from international and interdisciplinary perspectives covering areas including (but not limited to): Biomaterials including biomimetics and biomineralization; Nano materials; Polymers and composites; New metallic materials; Advanced ceramics; Materials modeling and computation; Frontier materials synthesis and characterization; Novel methods for materials manufacturing; Materials performance; Materials applications in energy, information and biotechnology.