4.8 Article

Alternating Magnetic Field Induced Magnetic Heating in Ferromagnetic Cobalt Single-Atom Catalysts for Efficient Oxygen Evolution Reaction

Related references

Note: Only part of the references are listed.
Article Engineering, Environmental

Directly anchoring non-noble metal single atoms on 1T-TMDs with tip structure for efficient hydrogen evolution

Wenda Zhou et al.

Summary: This study successfully immobilized non-noble metal single atoms on the Cr top site of 1T-CrS2 metallic basal plane using a universal Laser-molecular beam epitaxy method, forming an atomic tip structure that can enhance electrocatalytic performance and stability. This work provides a general approach for designing various SACs for widely catalytic applications.

CHEMICAL ENGINEERING JOURNAL (2022)

Article Chemistry, Physical

From Theory to Experiment: Cascading of Thermocatalysis and Electrolysis in Oxygen Evolution Reactions

Xing Fan et al.

Summary: Elevated temperatures can significantly increase energy conversion efficiency in electrolysis through thermally activated on-surface reactions, as demonstrated in this study. The OER efficiency on Fe-BHT outperforms the state-of-the-art IrO2 catalyst at around 80 degrees C, showcasing a potential avenue for designing electrocatalysts with enhanced performance.

ACS ENERGY LETTERS (2022)

Article Chemistry, Multidisciplinary

Micro Eddy Current Facilitated by Screwed MoS2 Structure for Enhanced Hydrogen Evolution Reaction

Meixia Su et al.

Summary: This study designs a screw pyramid MoS2 material to eliminate the interlayer potential barrier, facilitating the generation of micro eddy current and enhancing electrocatalytic activity.

ADVANCED FUNCTIONAL MATERIALS (2022)

Article Chemistry, Multidisciplinary

Regulating the Spin State of FeIII Enhances the Magnetic Effect of the Molecular Catalysis Mechanism

Zemin Sun et al.

Summary: This study presents a novel magnetic site spin-splitting strategy to optimize the electronic structure and spin states of Fe-III sites using the Jahn-Teller effect of Cu2+ for enhanced oxygen evolution reaction (OER) activity. The Cu-1-Ni6Fe2-LDH catalyst exhibits excellent OER performance under magnetic field assistance, providing new principles for high-performance catalyst development and understanding of spintronic catalytic mechanisms.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2022)

Article Materials Science, Multidisciplinary

Effect of Ti Atoms on Neel Relaxation Mechanism at Magnetic Heating Performance of Iron Oxide Nanoparticles

Musa Mutlu Can et al.

Summary: This study investigated the relationship between the doping amount of titanium (Ti) and the magnetic heating performance of magnetite (Fe3O4). Ti-doped magnetite nanoparticles were synthesized using the sol-gel technique. SiO2 coated nanoparticles were also produced to study the effects of silica coating on the magnetic properties. The results showed that SiO2 coated (Fe-0.97,Ti-0.03)(3)O-4 nanoparticles had an increased temperature difference of up to 22°C in 10 minutes, which was similar to the uncoated Fe3O4 nanoparticles.

COATINGS (2022)

Article Chemistry, Physical

Ultrahigh Oxygen Evolution Reaction Activity Achieved Using Ir Single Atoms on Amorphous CoOx Nanosheets

Chao Cai et al.

Summary: A high-density Ir single-atom catalyst supported by CoOx amorphous nanosheets was designed for the OER, showing ultrahigh mass activity and record low onset overpotential. In situ X-ray absorption spectroscopy revealed that Ir-O-Co pairs directly enhanced the OER efficiency and improved Ir stability.

ACS CATALYSIS (2021)

Article Chemistry, Multidisciplinary

Rapid Synthesis of Various Electrocatalysts on Ni Foam Using a Universal and Facile Induction Heating Method for Efficient Water Splitting

Guowei Xiong et al.

Summary: Electrocatalytic water splitting for hydrogen production is proven to be effective using high-frequency induction heating to rapidly prepare various self-supported electrocatalysts. The synthesized materials show low overpotentials and stability in alkaline conditions, enabling efficient hydrogen evolution and oxygen evolution reactions.

ADVANCED FUNCTIONAL MATERIALS (2021)

Article Chemistry, Multidisciplinary

Field-Free Improvement of Oxygen Evolution Reaction in Magnetic Two-Dimensional Heterostructures

Ziren Xiong et al.

Summary: The research shows that by synthesizing 2D air-stable FM Cr2Te3 nanosheets and combining them with anti-ferromagnetic CrOOH, room-temperature ferromagnetism can be achieved in Cr2Te3, thereby improving the OER performance.

NANO LETTERS (2021)

Article Chemistry, Multidisciplinary

Tuning the Spin Density of Cobalt Single-Atom Catalysts for Efficient Oxygen Evolution

Zejun Li et al.

Summary: In this study, ferromagnetic single Co atom catalysts were synthesized on TaS2 monolayers to explore the spin-activity correlation for the oxygen evolution reaction (OER). Experimental and theoretical results showed that optimizing the spin density by tuning the Co loading at neighboring sites can improve the OER performance.

ACS NANO (2021)

Article Chemistry, Multidisciplinary

Magneto-Electrically Enhanced Intracellular Catalysis of FePt-FeC Heterostructures for Chemodynamic Therapy

Huilin Zhang et al.

Summary: An efficient intracellular catalysis method utilizing magneto-electronic approach is developed to induce eddy currents of FePt-FeC heterostructures in mild alternating magnetic fields. The induced catalytic reaction in the heterostructures significantly reduces the concentration of a crucial coenzyme in cancer cells under alternating magnetic stimulation, leading to the generation of senescent cancer cells for further treatment. This approach may enable precise catalytic tumor treatment by promoting intracellular catalytic reactions in tumors.

ADVANCED MATERIALS (2021)

Article Multidisciplinary Sciences

Spin-polarized oxygen evolution reaction under magnetic field

Xiao Ren et al.

Summary: The authors demonstrate the use of a ferromagnetic catalyst to facilitate spin polarization in the water oxidation reaction, revealing a ferromagnetic-exchange-like behavior between the catalyst and the adsorbed oxygen species. By utilizing ferromagnetic catalysts as spin polarizers under a constant magnetic field, the OER can be enhanced through coherent spin exchange at the first electron transfer step. This study provides insights into spin-polarized kinetics of the oxygen evolution reaction, offering references for the understanding and design of spin-dependent catalysts.

NATURE COMMUNICATIONS (2021)

Article Chemistry, Physical

Oxygen-evolving catalytic atoms on metal carbides

Shuang Li et al.

Summary: The study demonstrates stabilizing single-atom catalysts on tungsten carbides for efficient oxygen evolution reaction, achieving low overpotential and high turnover frequency due to the unique structure of tungsten carbides. The application of inexpensive and durable WCx supports opens up a promising pathway to develop further single-atom catalysts for electrochemical catalytic reactions.

NATURE MATERIALS (2021)

Article Multidisciplinary Sciences

Spin-state reconfiguration induced by alternating magnetic field for efficient oxygen evolution reaction

Gang Zhou et al.

Summary: The study focuses on rearranging spins in metal-organic frameworks to achieve higher mass activities for electrocatalysts through magnetic stimulation, providing a new approach to spin electrocatalysis design.

NATURE COMMUNICATIONS (2021)

Article Chemistry, Multidisciplinary

Magnetic Enhancement of Oxygen Evolution in CoNi@C Nanosheets

Han Li et al.

Summary: In this research, a series of magnetic electrocatalysts, CoNigC, were prepared successfully and it was found that an external magnetic field significantly improved the catalytic activity for the oxygen evolution under alkaline conditions. The magnetic enhancement effect on electron transfer and oxygen adsorption was attributed to spin polarization and alignment, demonstrating a promising strategy for boosting the oxygen evolution activity of magnetic electrocatalysts.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

Article Chemistry, Physical

Quasi-Two-Dimensional Earth-Abundant Bimetallic Electrocatalysts for Oxygen Evolution Reactions

Yunhe Zhao et al.

Summary: This study successfully synthesized bimetallic Co-Mo-O ultrathin nanosheets with enriched surface catalytic active site ratio, among which nanosheets with 2:1 Co-to-Mo ratio showed significantly enhanced OER catalytic activity. This 2D morphology of bimetallic materials introduces a promising possibility for creating high-performance electrocatalysts.

ACS ENERGY LETTERS (2021)

Review Chemistry, Multidisciplinary

Non-carbon-supported single-atom site catalysts for electrocatalysis

Xiaobo Zheng et al.

Summary: This review comprehensively summarizes the recent exciting progress on non-carbon-supported SACs and their applications in electrocatalytic reactions. Eight types of non-carbon-supported SACs are categorized to show their diversity, with detailed analysis of the anchoring and stabilization mechanisms. Advanced characterization techniques for identifying and monitoring the atomic structure of SACs are highlighted, along with discussions on their applications in electrochemical energy conversion.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

Article Chemistry, Multidisciplinary

Deterministic Magnetization Switching Using Lateral Spin-Orbit Torque

Yi Cao et al.

ADVANCED MATERIALS (2020)

Article Chemistry, Multidisciplinary

Magnetic Enhancement for Hydrogen Evolution Reaction on Ferromagnetic MoS2 Catalyst

Wenda Zhou et al.

NANO LETTERS (2020)

Article Multidisciplinary Sciences

Boosting hydrogen evolution on MoS2 via co-confining selenium in surface and cobalt in inner layer

Zhilong Zheng et al.

NATURE COMMUNICATIONS (2020)

Article Chemistry, Physical

Iridium nanorods as a robust and stable bifunctional electrocatalyst for pH-universal water splitting

Fang Luo et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2020)

Article Energy & Fuels

Direct magnetic enhancement of electrocatalytic water oxidation in alkaline media

Felipe A. Garces-Pineda et al.

NATURE ENERGY (2019)

Article Chemistry, Physical

Wafer-Scale Sulfur Vacancy-Rich Monolayer MoS2 for Massive Hydrogen Production

Ce Hu et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2019)

Article Nanoscience & Nanotechnology

Remotely controlled chemomagnetic modulation of targeted neural circuits

Siyuan Rao et al.

NATURE NANOTECHNOLOGY (2019)

Article Chemistry, Physical

MoS2 Moire Superlattice for Hydrogen Evolution Reaction

Zhenzhen Jiang et al.

ACS ENERGY LETTERS (2019)

Review Chemistry, Physical

Single-Atom Catalysts: Emerging Multifunctional Materials in Heterogeneous Catalysis

Huabin Zhang et al.

ADVANCED ENERGY MATERIALS (2018)

Article Chemistry, Physical

Single-Atom Catalysts for Electrochemical Water Splitting

Chengzhou Zhu et al.

ACS ENERGY LETTERS (2018)

Article Energy & Fuels

Improved water electrolysis using magnetic heating of FeC-Ni core-shell nanoparticles

Christiane Niether et al.

NATURE ENERGY (2018)

Review Chemistry, Multidisciplinary

Heterogeneous single-atom catalysis

Aiqin Wang et al.

NATURE REVIEWS CHEMISTRY (2018)

Article Chemistry, Physical

Robust Half-Metallic Magnetism in Two-Dimensional Fe/MoS2

Chenghuan Jiang et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2018)

Review Chemistry, Multidisciplinary

Single-Atom Electrocatalysts

Chengzhou Zhu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2017)

Article Multidisciplinary Sciences

Electronic and magnetic properties of Co doped MoS2 monolayer

Yiren Wang et al.

SCIENTIFIC REPORTS (2016)

Article Multidisciplinary Sciences

Single-atom spin-flip spectroscopy

AJ Heinrich et al.

SCIENCE (2004)