Oxygen Vacancy-Mediated High-Entropy Oxide Electrocatalysts for Efficient Oxygen Evolution Reaction DOI Creative Commons
Ruonan Liu, Yaotian Yan,

Liang Dun

et al.

Materials Today Catalysis, Journal Year: 2024, Volume and Issue: unknown, P. 100086 - 100086

Published: Dec. 1, 2024

Language: Английский

Enhanced Photocatalytic Efficiency Through Oxygen Vacancy‐Driven Molecular Epitaxial Growth of Metal–Organic Frameworks on BiVO4 DOI Open Access

Yan Xin,

Jian Tian, Xianqiang Xiong

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 19, 2025

Abstract Efficient charge separation at the semiconductor/cocatalyst interface is crucial for high‐performance photoelectrodes, as it directly influences availability of surface charges solar water oxidation. However, establishing strong molecular‐level connections between these interfaces to achieve superior interfacial quality presents significant challenges. This study introduces an innovative electrochemical etching method that generates a high concentration oxygen vacancy sites on BiVO 4 surfaces (Ov‐BiVO ), enabling interactions with oxygen‐rich ligands MIL‐101. reduces formation energy and promotes conformal growth . The Ov‐BiVO /MIL‐101 composite exhibits ideal interface, achieving impressive photocurrent density 5.91 mA cm −2 1.23 V RHE , along excellent stability. high‐performing photoanode enables unbiased tandem device /MIL‐101‐Si cell system, solar‐to‐hydrogen efficiency 4.33%. integration mitigates states enhances internal electric field, facilitating migration photogenerated holes into MIL‐101 overlayer. process activates highly efficient Fe catalytic sites, which effectively adsorb molecules, lowering barrier oxidation improving kinetics. Further studies confirm broad applicability vacancy‐induced molecular epitaxial in various MOFs, offering valuable insights defect engineering optimizing enhancing photocatalytic activity.

Language: Английский

Citations

9
Metal–Organic Framework-Based Photodetectors DOI Creative Commons
Jinbiao Zhang, Yibo Tian, Zhi‐Gang Gu

et al.

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: July 25, 2024

The unique and interesting physical chemical properties of metal-organic framework (MOF) materials have recently attracted extensive attention in a new generation photoelectric applications. In this review, we summarized discussed the research progress on MOF-based photodetectors. methods preparing photodetectors various types MOF single crystals thin film as well composites are introduced details. Additionally, applications for X-ray, ultraviolet infrared light, biological detectors, circularly polarized light discussed. Furthermore, summaries challenges provided important field.

Language: Английский

Citations

12
Recent strategies to improve the electroactivity of metal–organic frameworks for advanced electrocatalysis DOI Creative Commons

Runzhi Wei,

Xiao Li, Aziz B. Ibragimov

et al.

Deleted Journal, Journal Year: 2024, Volume and Issue: 1(2), P. 181 - 206

Published: Aug. 4, 2024

Abstract Metal–organic frameworks (MOFs) have emerged as promising materials in the realm of electrocatalysis due to their high surface area, tunable porosity, and versatile chemical functionality. However, practical application has been hampered by inherent limitations such low electrical conductivity a limited number active metal sites. Researchers addressed these challenges through various strategies, including enhancing incorporating conductive nanoparticles, modifying structure composition MOFs replacing nodes functionalizing linkers, preparing catalysts thermal processes decarburization conversion into oxides, phosphides (MPs), sulfides (MSs). This review provided comprehensive summary strategies that were employed enhance electroactivity for improved electrocatalytic performance recent years. It also explored future directions potential innovations design synthesis MOF‐based electrocatalysts, offering valuable insights advancing sustainable energy technologies.

Language: Английский

Citations

11
Ultrafast Construction of Interfacial Akaganéite FeOOH Phase to Enable the Long‐Term Stability of Nickel‐Iron Hydroxides for Seawater Splitting at Ampere‐Level Current Density DOI

Zhibin Liu,

Yuanyuan Li, Libin Zeng

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(46)

Published: July 5, 2024

Abstract NiFe‐based hydroxides are well‐established as efficient electrocatalysts for the oxygen evolution reaction (OER) in alkaline purified water. However, they usually degrade rapidly seawater electrolysis because of concentrated Cl − anions seawater. In this work, a facile approach utilizing an ultrafast dipping method is presented to fabricate durable and scalable NiFe hydroxides, enhanced by interfacial akaganéite FeOOH splitting. This study reveals significantly improved electrocatalytic stability at ampere‐level current density 1000 mA cm −2 100 h It realized formed specific phase whose lattice tunnels well filled intrinsic anions, that serve electrostatically repel corrosive chlorides electrolyte. anionic design also provides superior corrosion protection other active metal‐based OER when deployed water allows scaling up anode, facilitating practical utilization electrolysis.

Language: Английский

Citations

9
Rapid Outgassing of Hydrophilic TiO2 Electrodes Achieves Long-Term Stability of Anion Exchange Membrane Water Electrolyzers DOI Creative Commons
Shajahan Shaik,

Jeonghyeon Kim,

Mrinal Kanti Kabiraz

et al.

Nano-Micro Letters, Journal Year: 2025, Volume and Issue: 17(1)

Published: March 13, 2025

Abstract The state-of-the-art anion-exchange membrane water electrolyzers (AEMWEs) require highly stable electrodes for prolonged operation. stability of the electrode is closely linked to effective evacuation H 2 or O gas generated from surface during electrolysis. In this study, we prepared a super-hydrophilic by depositing porous nickel–iron nanoparticles on annealed TiO nanotubes (NiFe/ATNT) rapid outgassing such nonpolar gases. NiFe/ATNT exhibited an overpotential 235 mV at 10 mA cm −2 oxygen evolution reaction in 1.0 M KOH solution, and was utilized as anode AEMWE achieve current density 1.67 A 1.80 V. addition, with electrode, which enables outgassing, showed record 1500 h 0.50 under harsh temperature conditions 80 ± 3 °C.

Language: Английский

Citations

1
Structure regulation of 2D materials by atom confinement for electrocatalysis DOI
Zhenyu Liu,

Longyi Fu,

Jijian Liu

et al.

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 520, P. 216164 - 216164

Published: Aug. 22, 2024

Language: Английский

Citations

5
C2H2 selective hydrogenation over s-doped graphene supported single-atom catalyst: Unraveling the roles of metal type and coordination environment in tuning catalytic performance DOI

Xinyi Guo,

Chengkai Pan,

Baojun Wang

et al.

Molecular Catalysis, Journal Year: 2025, Volume and Issue: 573, P. 114856 - 114856

Published: Jan. 22, 2025

Language: Английский

Citations

0
An artificial intelligence optimization of NOx conversion efficiency under dual catalytic mechanism reaction based on multi-objective gray wolf algorithm DOI
Zhiqing Zhang, He Zhang, Yuguo Wang

et al.

Fuel Processing Technology, Journal Year: 2025, Volume and Issue: 268, P. 108182 - 108182

Published: Jan. 22, 2025

Language: Английский

Citations

0
NiVOx/BiVO4 photoanode for stable photoelectrochemical water splitting: Reconstruction of Ni and V to form active sites and V-rich electrolyte DOI
Xing Cao, Liang Ren,

Yubin Zhao

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 161859 - 161859

Published: March 1, 2025

Language: Английский

Citations

0
An Active and Durable Misfit-Layered Air Electrode for Reversible Protonic Ceramic Electrochemical Cells DOI
Xirui Zhang, Yangsen Xu, Kang Xu

et al.

ACS Energy Letters, Journal Year: 2025, Volume and Issue: unknown, P. 1874 - 1883

Published: March 25, 2025

Language: Английский

Citations

0