CO<sub>2</sub> to dimethyl ether (DME): structural and functional insights of hybrid catalysts

Ghosh, Anindya; Nag, Debjani; Chatterjee, Rupak; Singha, Aniruddha; Dash, Pratik Swarup; Choudhury, Biswajit; Bhaumik, Asim

doi:10.1039/d3cy01497e

Catal. Sci. Technol.

2024

DOI: 10.1039/d3cy01497e

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CO₂ to dimethyl ether (DME): structural and functional insights of hybrid catalysts

Anindya Ghosh,

Debjani Nag,

Rupak Chatterjee

et al.

Abstract: The rapid and unparalleled advancement of human civilization has been made possible by the utilization of fossil feedstocks, beginning with coal, and followed by petroleum oil and natural gas. However,...

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Cited by 8 publications

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Low Potential Electrochemical CO₂ Reduction to Methanol over Nickel‐Based Hollow 0D Carbon Superstructure

Chongdar,

Chatterjee,

Reza

et al. 2024

Advanced Energy Materials

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Electrochemical carbon dioxide reduction reaction (CO2RR) to valuable fuels and chemical feedstock is a sustainable strategy to lower the anthropogenic CO2 concentration, thereby dynamising the carbon cycle in the environment. CH3OH on the other hand is undoubtedly the most desirable C1 product of CO2RR. However, selective electroreduction of CO2‐to‐CH3OH is very challenging and only limited catalysts are reported in literature. Pyrolyzing metal‐organic frameworks (MOFs) to generate carbon matrix impregnated with metal nanoparticles, heralds exciting electrocatalytic properties. This study unveiled the morphological evolution of a mixed‐ligand Ni‐MOF (Ni‐OBBA‐Bpy) during pyrolysis, to generate Ni nanoparticles anchored 0D porous hollow carbon superstructures (Pyr‐CP‐800 and Pyr‐CP‐600). This unique morphology invokes high specific surface area and surface roughness to the materials, which synergistically facilitates the selective electroreduction of CO2‐to‐CH3OH. In comparison to most of the previously reported Ni electrocatalysts that mainly produced CO, Pyr‐CP‐800 selectively yielded CH3OH with Faradaic efficiency (FE) of 32.46% at −0.60 V versus RHE (reversible hydrogen electrode) in 1.0 M KOH solution, which is highest among other reported Ni‐based electrocatalysts in the literature, to best of our knowledge. Additionally, insights from density functional theory (DFT) calculations revealed that Ni (111) plane to be the active site toward the electrochemical. CO2‐to‐CH3OH formation.

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Low Potential Electrochemical CO₂ Reduction to Methanol over Nickel‐Based Hollow 0D Carbon Superstructure

Chongdar,

Chatterjee,

Reza

et al. 2024

Advanced Energy Materials

View full text Add to dashboard Cite

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Covalent organic frameworks: a review of synthesis methods, properties and applications for per- and poly-fluoroalkyl substances removal

Issaka,

Adams,

Baffoe

et al. 2024

Clean Techn Environ Policy

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Adsorption using covalent organic frameworks (COFs) is very effective and favoured for removing per- and polyfluoroalkyl substances (PFAS) from various matrices. The prominent classes of COF, their synthesis methods, and their application in COF-based technologies for PFAS adsorption in myriad environments are discussed. Furthermore, the influencing PFAS adsorption characteristics of the distinct COF classes are also examined. COFs have large specific surface areas and porosity, offering PFASs a host of adsorption sites and thus high adsorption capabilities. β-Cyclodextrin-based COFs (β-CD-COFs), ionic COFs (iCOFs), amine-functionalised COFs, porphyrin-based COFs and hydrophobic COFs are some of the most notable examples of COFs and as such have been employed for large-scale PFAS remediation. Direct and post-synthetic modification are the two main COF design methodologies. The general approach in constructing various frameworks involves the reaction of ion monomers with other neutral monomers. For COFs, solvothermal synthesis is currently the main direct synthetic method. The process used to synthesise COFs tremendously impacts how effectively they adsorb PFAS. High-performance materials for PFAS remediation are created by researchers by customising COF characteristics and using suitable synthesis techniques. The authors’ objective is to give readers and researchers alike a broad overview of the current status of COF research and development, including numerous challenges and prospects associated with the adsorption of PFASs by COFs. Graphical abstract Application of Cement Stabilized OB dump, BOF slag, Fly Ash Mixes as Sustainable Pavement Material

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A green and moderate approach for the synthesis of methyl formate via dimethoxymethane disproportionation over H-zeolites

Yang,

Ni,

Xie

et al. 2024

Applied Catalysis A: General

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CO₂ to dimethyl ether (DME): structural and functional insights of hybrid catalysts

Abstract: The rapid and unparalleled advancement of human civilization has been made possible by the utilization of fossil feedstocks, beginning with coal, and followed by petroleum oil and natural gas. However,...

Cited by 8 publications

References 223 publications

Low Potential Electrochemical CO₂ Reduction to Methanol over Nickel‐Based Hollow 0D Carbon Superstructure

Low Potential Electrochemical CO₂ Reduction to Methanol over Nickel‐Based Hollow 0D Carbon Superstructure

Covalent organic frameworks: a review of synthesis methods, properties and applications for per- and poly-fluoroalkyl substances removal

A green and moderate approach for the synthesis of methyl formate via dimethoxymethane disproportionation over H-zeolites

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CO2 to dimethyl ether (DME): structural and functional insights of hybrid catalysts

Abstract: The rapid and unparalleled advancement of human civilization has been made possible by the utilization of fossil feedstocks, beginning with coal, and followed by petroleum oil and natural gas. However,...

Cited by 8 publications

References 223 publications

Low Potential Electrochemical CO2 Reduction to Methanol over Nickel‐Based Hollow 0D Carbon Superstructure

Low Potential Electrochemical CO2 Reduction to Methanol over Nickel‐Based Hollow 0D Carbon Superstructure

Covalent organic frameworks: a review of synthesis methods, properties and applications for per- and poly-fluoroalkyl substances removal

A green and moderate approach for the synthesis of methyl formate via dimethoxymethane disproportionation over H-zeolites

Contact Info

Product

Resources

About

CO₂ to dimethyl ether (DME): structural and functional insights of hybrid catalysts

Low Potential Electrochemical CO₂ Reduction to Methanol over Nickel‐Based Hollow 0D Carbon Superstructure

Low Potential Electrochemical CO₂ Reduction to Methanol over Nickel‐Based Hollow 0D Carbon Superstructure