Magnesium single-atom catalysts with superbasicity

Article Chemistry, Physical

Surface reconstruction induced highly efficient N-doped carbon nanosheet supported copper cluster catalysts for dimethyl carbonate synthesis

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APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Editorial Material Chemistry, Physical

To Err is Human; To Reproduce Takes Time

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ACS CATALYSIS (2022)

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Maximizing noble metal utilization in solid catalysts by control of nanoparticle location

Kang Cheng et al.

Summary: By rational arrangement of functional sites, the minimum loading of platinum can be reduced, enhancing the performance of catalysts. Deposition of trace amounts of platinum nanoparticles on the alumina binder or the outer surface of zeolite crystals increases selectivity and preserves the metal and acid functions.

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Editorial Material Multidisciplinary Sciences

Synergistic active sites observed in a solid catalyst

Tiefeng Wang

NATURE (2022)

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Low-temperature conversion of base precursor KNO3 on core-shell structured Fe3O4@C: Fabrication of magnetically responsive solid strong bases

Tian-Tian Li et al.

Summary: This paper presents the construction of magnetically responsive solid strong base catalyst K-400@Fe3O4@C, which exhibits excellent catalytic performance at 400 degrees Celsius and can be recovered within 10 seconds due to its superparamagnetism.

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Advances in Catalytic Applications of Zeolite-Supported Metal Catalysts

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Summary: Zeolite-supported metal catalysts have shown superior activity and thermal stability in catalytic reactions, being widely applied in hydrogenation, dehydrogenation, oxidation, and other reactions, with promising prospects for future advancements.

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Single-Atom Catalysts: A Sustainable Pathway for the Advanced Catalytic Applications

Baljeet Singh et al.

Summary: Understanding the relationship between catalyst structure and properties is crucial for its advancement, and single-atom catalysts have shown significant improvements in activity and stability in various applications such as oxygen reduction reaction and hydrogen evolution reaction.

SMALL (2021)

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Pd-Catalyzed ipso,meta-Dimethylation of ortho-Substituted Iodoarenes via a Base-Controlled C-H Activation Cascade with Dimethyl Carbonate as the Methyl Source

Zhuo Wu et al.

Summary: The report discusses a palladium-catalyzed dimethylation reaction of ortho-substituted iodoarenes using dimethyl carbonate as a methyl source. This reaction allows for the dimethylation of iodoarenes at the ipso- and meta-positions, and subsequent C-H activation to form new C-C bonds, leading to the synthesis of important organic compounds.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Chemistry, Physical

Atomically dispersed iridium on MgO(111) nanosheets catalyses benzene-ethylene coupling towards styrene

Pengxin Liu et al.

Summary: Single-atom catalysis is a frontier of heterogeneous catalysis with potential for efficient metal utilization and unusual reactivity. Understanding the coordination structures of single atoms and developing structure-property relationships remains challenging. Dispersion of Ir(III) species on single-crystalline MgO(111) 2D nanosheets allows for unique reactivity in the coupling of benzene and ethylene, indicating potential for advantageous reactivity scenarios through fine tuning of the interface between single atoms and their supports.

NATURE CATALYSIS (2021)

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Article Chemistry, Physical

Highly efficient conversion of methane to formic acid under mild conditions at ZSM-5-confined Fe-sites

Kaixin Zhu et al.

Summary: This study introduces a highly selective and efficient method for methane conversion to formic acid by confining atomically dispersed Fe sites in the nano-channels of ZSM-5. The research demonstrates that the confined Fe-O active centers within ZSM-5 can dissociate C-H bonds and catalyze the oxidation of methane to formic acid via free radical mechanisms under mild conditions. This innovative approach opens up a new path for engineering the microenvironment of confined Fe sites within nanochannels for highly selective methane conversion with low energy input.

NANO ENERGY (2021)

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Article Chemistry, Physical

A Gas-Phase Migration Strategy to Synthesize Atomically Dispersed Mn-N-C Catalysts for Zn-Air Batteries

Qingyan Zhou et al.

Summary: A novel gas-phase migration strategy has been developed for the synthesis of atomically dispersed Mn and N codoped carbon materials as highly effective ORR catalysts. This unique approach significantly increases the Mn loading and enables homogeneous dispersion of Mn atoms to promote the exposure of Mn-N-x active sites, leading to excellent ORR performance. The gas-phase synthetic methodology offers an appealing and instructive guide for the logical synthesis of atomically dispersed catalysts.

SMALL METHODS (2021)

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Article Chemistry, Multidisciplinary

Atomically Dispersed s-Block Magnesium Sites for Electroreduction of CO2 to CO

Qiyou Wang et al.

Summary: This study demonstrates the construction of atomically dispersed magnesium atoms embedded in graphitic carbon nitride for CO2 electroreduction to CO. Theoretical calculations and experimental results show that the desorption of CO on Mg sites is easier compared to Fe and Co sites, leading to higher CO Faradaic efficiency and activity. This work sheds new light on the use of s-block metal sites for efficient CO2RR.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

Effect of Lewis basicity on the continuous gas phase condensation of benzaldehyde with acetophenone over MgO

Chiara Pischetola et al.

Summary: The research explores the impact of Lewis basicity on the continuous gas phase condensation of acetophenone + benzaldehyde over MgO catalysts. The addition of Li+ and Cs+ influences surface area, crystal structure, and reactivity. These findings demonstrate the feasibility of continuous chalcone synthesis using MgO catalysts with controlled Lewis basicity.

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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.

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Article Energy & Fuels

Redox-neutral electrochemical conversion of CO2 to dimethyl carbonate

Kyu Min Lee et al.

Summary: Electrochemical reduction of CO2 to produce fuel precursors and additives has traditionally been limited in product variety and overall efficiency. A recent study successfully utilized redox-neutral reactions to convert CO2 into dimethyl carbonate in methanol with high Faradaic efficiency, and expanded to diethyl carbonate. This approach shows promise in broadening the scope of products and improving efficiency through innovative design strategies.

NATURE ENERGY (2021)

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Controlling the porosity and crystallinity of MgO catalysts by addition of surfactant in the sol-gel synthesis

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Novel Ethylene Oxide Gas Recovery System via Hydrolysis in the Dimethyl Carbonate and Monoethylene Glycol Production Process

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Turning main-group element magnesium into a highly active electrocatalyst for oxygen reduction reaction

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Development of Robust Heterogeneous Chiral Rhodium Catalysts Utilizing Acid-Base and Electrostatic Interactions for Efficient Continuous-Flow Asymmetric Hydrogenations

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A spatially orthogonal hierarchically porous acid-base catalyst for cascade and antagonistic reactions

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Thermal Emitting Strategy to Synthesize Atomically Dispersed Pt Metal Sites from Bulk Pt Metal

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Identification of the active complex for CO oxidation over single-atom Ir-on-MgAl2O4 catalysts

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Single-Atom Catalysts: Emerging Multifunctional Materials in Heterogeneous Catalysis

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Continuous DMC Synthesis from CO2 and Methanol over a CeO2 Catalyst in a Fixed Bed Reactor in the Presence of a Dehydrating Agent

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Low-Temperature Fabrication of Mesoporous Solid Strong Bases by Using Multifunction of a Carbon Interlayer

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Production of biodiesel from soybean oil on CaO/Al2O3 solid base catalysts

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Magnesium single-atom catalysts with superbasicity

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