Polyethyleneimine-reinforced Sn/Cu foam dendritic self-supporting catalytic cathode for CO2 reduction to HCOOH

Article Chemistry, Physical

Cu+-Ti3+ interface interaction mediated CO2 coordination model for controlling the selectivity of photocatalytic reduction CO2

Zhi-wen Wang et al.

Summary: This study utilizes the Cu+-Ti3+ interface interaction to effectively tailor the selectivity of CO2 photoreduction, achieving different selectivity control for CO and CH4.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Article Chemistry, Physical

Determining Structure-Activity Relationships in Oxide Derived Cu-Sn Catalysts During CO2 Electroreduction Using X-Ray Spectroscopy

Laura C. Pardo Perez et al.

Summary: The study focuses on the application of Cu-Sn bimetallic catalysts in selective CO2 conversion, exploring the synergistic mechanism between Cu and Sn and discovering significant differences in Sn content and speciation between different catalyst types, further elucidating the role of Sn in CO and formate selectivity.

ADVANCED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Laser-fabricated channeled Cu6Sn5/Sn as electrocatalyst and gas diffusion electrode for efficient CO2 electroreduction to formate

Yijie Wang et al.

Summary: Research shows that synthesizing Cu6Sn5 alloy using laser irradiation can improve the efficiency and stability of CO2 electroreduction reaction. Laser drilling further increases the current density and stable formate production efficiency, which is attributed to appropriate binding energy of the intermediates and the channels of the electrode.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

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Article Energy & Fuels

Fabrication of Pd/MnFe2O4 bifunctional 2-D nanosheets to enhance the yield of HCOOH from CO2 cathodic reduction paired with anodic oxidation to CH3OH

G. Bharath et al.

Summary: This study successfully prepared 2-D Pd/MnFe2O4 nanosheets with high specific surface area and pore volume, exhibiting excellent CO2 reduction activity and formic acid production rate. Furthermore, coupling CO2 reduction with CH3OH oxidation reaction further increased the formic acid yield. The mechanism of the paired electrochemical reaction was also described in detail. The results showed that integrated future bifunctional fuel cells could achieve zero gas exhaust emission and sustainably produce high value-added chemicals.

FUEL (2022)

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Article Chemistry, Multidisciplinary

CO2 reduction to formate on an affordable bismuth metal-organic framework based catalyst

Beatriz Avila-Bolivar et al.

Summary: This study presents a simple and effective method for electrochemical reduction of CO2 into formic acid using a Bi-based electrocatalyst, with experimental and theoretical investigations revealing the relationship between catalyst structure and activity.

JOURNAL OF CO2 UTILIZATION (2022)

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Article Chemistry, Multidisciplinary

Size-Dependent Activity and Selectivity of Atomic-Level Copper Nanoclusters during CO/CO2 Electroreduction

Weifeng Rong et al.

Summary: This study investigated the impact of size-gradient Cu catalysts on CO2/CO electroreduction reactions, revealing that increasing the size of Cu nanoclusters can enhance catalytic activity and selectivity. The findings provide a clear understanding of mechanisms in the CO2/CORR at the atomic level.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Physical

Dual-functional paired photoelectrocatalytic system for the photocathodic reduction of CO2 to fuels and the anodic oxidation of furfural to value-added chemicals

G. Bharath et al.

Summary: This study demonstrates the design of paired PEC for efficient conversion of CO2 to methanol and oxidation of furfural to valuable products. Experimental results show high yields of methanol and furfural oxidation products at both electrodes, indicating the potential of the paired PEC process.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

Probing the role of surface hydroxyls for Bi, Sn and In catalysts during CO2 Reduction

Jiayu Li et al.

Summary: The study revealed that the active sites of Bi, Sn, and In catalysts are Bi-0, SnO, and In2O3, with their affinities to hydroxyls in the order of Bi-0 < SnO < In2O3. Formate production involves two parallel pathways, one involving hydroxyls and the other not. The participation of hydroxyl groups in CO2RR follows the order of Bi < Sn < In.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Energy & Fuels

Tuning interaction of surface-adsorbed species over Fe/K-Al2O3 modified with transition metals (Cu, Mn, V, Zn or Co) on light olefins production from CO2 hydrogenation

Nawapat Chaipraditgul et al.

Summary: The presence of transition metals in Fe/K-Al2O3 significantly influences the catalytic performance for CO2 hydrogenation to light olefins. The addition of Cu and Zn increases weakly adsorbed H atoms, resulting in high CO2 conversion and longer chain hydrocarbons. Adding Co enhances CO2 conversion but provides short chain hydrocarbons, while Mn or V inhibits CO hydrogenation and lowers CO2 conversion.

FUEL (2021)

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Article Multidisciplinary Sciences

The nature of active sites for carbon dioxide electroreduction over oxide-derived copper catalysts

Dongfang Cheng et al.

Summary: This study reveals the active sites for CO2 electroreduction over oxide-derived copper (OD-Cu) catalysts, identifying square-like sites responsible for specific products. Planar and convex square sites are found to be responsible for ethylene production, while the step square site favors alcohols generation, providing fundamental insights into the origin of activity and selectivity over Cu-based catalysts.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Multidisciplinary

Atomically Dispersed Indium Sites for Selective CO2 Electroreduction to Formic Acid

Peilong Lu et al.

Summary: A novel atomically dispersed indium catalyst has been developed for efficiently producing formic acid/formate in aqueous media, outperforming conventional metallic In catalysts. The formation of the intermediate *OCHO on isolated In sites plays a pivotal role in the efficiency of the CO2-to-formate process, with a lower energy barrier compared to metallic In.

ACS NANO (2021)

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Article Chemistry, Physical

Interface engineering of Mo8/Cu heterostructures toward highly selective electrochemical reduction of carbon dioxide into acetate

Dejin Zang et al.

Summary: This study presents an interface engineering strategy to enhance the efficiency of CO2RR towards acetate formation by modifying copper nanocubes with polyoxometalate. The Cu-O-Mo interface model provides insight for the rational design of earth-abundant metal based electrocatalysts for CO2RR and other renewable energy conversions.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

Facile synthesis of porous Cu-Sn alloy electrode with prior selectivity of formate in a wide potential range for CO2 electrochemical reduction

Da Li et al.

Summary: The study prepared a porous Cu6.26Sn5 electrode, tuning the electronic structure of the catalyst by alloying Cu with Sn atoms to balance the adsorption and protonation of intermediates, resulting in increased CO2 concentration and selectivity, promising efficient CO2 electroreduction.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Multidisciplinary

Highly Selective CO2 Electroreduction to C2H4 Using a Metal-Organic Framework with Dual Active Sites

Xiao-Feng Qiu et al.

Summary: In this study, a metal-organic framework (PcCu-Cu-O) was reported as an electrocatalyst for converting CO2 to C2H4, showing higher efficiency compared to discrete molecular copper-phthalocyanine. In-situ infrared spectroscopy and control experiments indicated that the synergistic effect between the CuPc unit and the CuO4 unit contributes to lowering the energy barrier for C-C dimerization.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Chemistry, Multidisciplinary

Selectivity Control of Cu Nanocrystals in a Gas-Fed Flow Cell through CO2 Pulsed Electroreduction

Hyo Sang Jeon et al.

Summary: This study utilized a pulsed CO2 electroreduction reaction approach to adjust product distribution in a gas-fed flow cell for industrially relevant current densities. By comparing the selectivity of Cu catalysts under potentiostatic and pulsed electrolysis conditions, it was found that the enhanced product selectivity in the latter case can be attributed to structural modifications and local pH effects. The differences in catalyst selectivity were observed to influence the formation of specific products, such as C-2 and CH4, through morphological reconstruction and consumption of OH - species near the catalyst surface.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Chemistry, Physical

Self-Assembled Co3O4 Nanospheres on N-Doped Reduced Graphene Oxide (Co3O4/N-RGO) Bifunctional Electrocatalysts for Cathodic Reduction of CO2 and Anodic Oxidation of Organic Pollutants

G. Bharath et al.

Summary: The study successfully synthesized bifunctional electrocatalysts by anchoring nanorods of Co3O4 onto nitrogen-doped reduced graphene oxide frameworks, showing high stability and electrochemical performance for CO2 reduction and organic dye oxidation.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Chemistry, Applied

Ordered cone-structured tin directly grown on carbon paper as efficient electrocatalyst for CO2 electrochemical reduction to formate

Hexiang Zhong et al.

Summary: A novel Triton X-100-assisted electrodeposition method was developed to synthesize ordered cone-structured tin electrocatalysts with controllable morphology and structure, which showed high efficiency, selectivity, and stability in catalyzing the electrochemical reactions of carbon dioxide.

JOURNAL OF ENERGY CHEMISTRY (2021)

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Article Chemistry, Multidisciplinary

Highly Efficient CO2 Electroreduction to Methanol through Atomically Dispersed Sn Coupled with Defective CuO Catalysts

Weiwei Guo et al.

Summary: This study reports a new catalyst design with atomically dispersed Sn sites anchored on defective CuO catalysts for CO2 electroreduction to methanol, demonstrating high efficiency and stability in H-cells.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

In Situ Phase Separation into Coupled Interfaces for Promoting CO2 Electroreduction to Formate over a Wide Potential Window

Wenbin Wang et al.

Summary: Bimetallic sulfides are capable of efficient CO2 electroreduction into formate, but they undergo structural evolution under reaction conditions. Investigating the evolution process and active sites is crucial for enhancing performance.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Environmental Sciences

Synthesis of TiO2/RGO with plasmonic Ag nanoparticles for highly efficient photoelectrocatalytic reduction of CO2 to methanol toward the removal of an organic pollutant from the atmosphere

G. Bharath et al.

Summary: This study presents a plasmonic Ag NPs modified TiO2/RGO photoelectrocatalyst for selective CO2 reduction into CH3OH. The photocathode showed remarkable PEC CO2 reduction activity with a high yield of CH3OH, as well as high quantum efficiency and Faradic efficiency. The physicochemical analysis and catalytic studies demonstrated the potential of this photoelectrocatalyst for sustainable liquid fuels production.

ENVIRONMENTAL POLLUTION (2021)

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Article Chemistry, Multidisciplinary

Electronic Tuning of SnS2 Nanosheets by Hydrogen Incorporation for Efficient CO2 Electroreduction

An Zhang et al.

Summary: Surface functionalization with hydrogen atoms significantly enhances the catalytic activity of SnS2 nanosheets for CO2 electroreduction, leading to high Faradaic efficiency and current density for formate production. The incorporation of surface hydrogen facilitates the electron injection into the nanosheet structures, thus promoting the activation of CO2 and contributing to efficient formate conversion.

NANO LETTERS (2021)

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Article Chemistry, Multidisciplinary

Spontaneously Sn-Doped Bi/BiOx Core-Shell Nanowires Toward High-Performance CO2 Electroreduction to Liquid Fuel

Yang Zhao et al.

Summary: Spontaneously Sn doped Bi/BiOx nanowires exhibit impressive formate selectivity and high current density, with the introduction of Sn atoms promoting *OCHO intermediate stabilization and suppressing competitive H-2/CO production. This work provides insights into promoting electrochemical CO2 conversion into formate for practical applications through effective in situ construction of metal/metal oxide hybrid composites with heteroatom doping.

NANO LETTERS (2021)

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Article Chemistry, Applied

Tuning the electron structure enables the NiZn alloy for CO2 electroreduction to formate

Xiaodong Zhang et al.

Summary: An environmentally friendly and low-cost NiZn alloy catalyst has been developed for CO2RR to formate, exhibiting high Faraday efficiency and stability. Theoretical calculations suggest that the middle valence electron structure of the NiZn alloy is favorable for formate formation and unfavorable for hydrogen and CO production. UV photoelectron spectroscopy results confirm the modulated valence electron structure of the NiZn alloy compared to Ni and Zn.

JOURNAL OF ENERGY CHEMISTRY (2021)

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Article Chemistry, Multidisciplinary

In Situ Reconstruction of a Hierarchical Sn-Cu/SnOx Core/Shell Catalyst for High-Performance CO2 Electroreduction

Ke Ye et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Chemistry, Multidisciplinary

Investigating the Origin of Enhanced C2+ Selectivity in Oxide-/Hydroxide-Derived Copper Electrodes during CO2 Electroreduction

Qiong Lei et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Review Chemistry, Physical

A Disquisition on the Active Sites of Heterogeneous Catalysts for Electrochemical Reduction of CO2 to Value-Added Chemicals and Fuel

Rahman Daiyan et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Boosting CO2 Electroreduction to CH4 via Tuning Neighboring Single-Copper Sites

Anxiang Guan et al.

ACS ENERGY LETTERS (2020)

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Article Chemistry, Multidisciplinary

Protecting Copper Oxidation State via Intermediate Confinement for Selective CO2 Electroreduction to C2+ Fuels

Peng-Peng Yang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Chemistry, Physical

Electrocatalytic reduction of CO2 to ethylene and ethanol through hydrogen-assisted C-C coupling over fluorine-modified copper

Wenchao Ma et al.

NATURE CATALYSIS (2020)

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Article Chemistry, Physical

Boosting formate production at high current density from CO2 electroreduction on defect-rich hierarchical mesoporous Bi/Bi2O3 junction nanosheets

Dan Wu et al.

APPLIED CATALYSIS B-ENVIRONMENTAL (2020)

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Article Chemistry, Multidisciplinary

Design of a Single-Atom Indiumδ+-N4Interface for Efficient Electroreduction of CO2to Formate

Huishan Shang et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Article Chemistry, Multidisciplinary

Atypical Oxygen-Bearing Copper Boosts Ethylene Selectivity toward Electrocatalytic CO2 Reduction

Wei Zhang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2020)

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Article Chemistry, Physical

Electron-Deficient Cu Sites on Cu3Ag1Catalyst Promoting CO2Electroreduction to Alcohols

Ximeng Lv et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Ligand-Mode Directed Selectivity in Cu-Ag Core-Shell Based Gas Diffusion Electrodes for CO2 Electroreduction

Erdem Irtem et al.

ACS CATALYSIS (2020)

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Article Chemistry, Physical

Molecularly Engineered Strong Metal Oxide-Support Interaction Enables Highly Efficient and Stable CO2 Electroreduction

Lu-Pan Yuan et al.

ACS CATALYSIS (2020)

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Review Chemistry, Multidisciplinary

Advanced Electrocatalysts with Single-Metal-Atom Active Sites

Yuxuan Wang et al.

CHEMICAL REVIEWS (2020)

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Review Chemistry, Multidisciplinary

Catalyst-electrolyte interface chemistry for electrochemical CO2 reduction

Young Jin Sa et al.

CHEMICAL SOCIETY REVIEWS (2020)

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Article Chemistry, Multidisciplinary

Single-atom transition metals supported on black phosphorene for electrochemical nitrogen reduction

Kang Liu et al.

NANOSCALE (2020)

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Review Nanoscience & Nanotechnology

Advances in Sn-Based Catalysts for Electrochemical CO2 Reduction

Shulin Zhao et al.

NANO-MICRO LETTERS (2019)

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Article Engineering, Chemical

Design of inorganic-organic hybrid photocatalytic systems for enhanced CO2 reduction under visible light

Lu Zhang et al.

CHEMICAL ENGINEERING SCIENCE (2019)

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Article Chemistry, Physical

3D core-shell porous-structured Cu@Sn hybrid electrodes with unprecedented selective CO2-into-formate electroreduction achieving 100%

Xiaofan Hou et al.

JOURNAL OF MATERIALS CHEMISTRY A (2019)

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Article Chemistry, Multidisciplinary

Densely Packed, Ultra Small SnO Nanoparticles for Enhanced Activity and Selectivity in Electrochemical CO2 Reduction

Jun Gu et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2018)

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Article Chemistry, Multidisciplinary

Boosting Formate Production in Electrocatalytic CO2 Reduction over Wide Potential Window on Pd Surfaces

Bei Jiang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2018)

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Review Chemistry, Multidisciplinary

Recent advances in the nanoengineering of electrocatalysts for CO2 reduction

Fengwang Li et al.

NANOSCALE (2018)

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Article Chemistry, Physical

Orbital Interactions in Bi-Sn Bimetallic Electrocatalysts for Highly Selective Electrochemical CO2 Reduction toward Formate Production

Guobin Wen et al.

ADVANCED ENERGY MATERIALS (2018)

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Article Chemistry, Analytical

Highly Selective and Active Pd-In/three-dimensional Graphene with Special Structure for Electroreduction CO2 to Formate

Guangya He et al.

ELECTROANALYSIS (2018)

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Article Chemistry, Physical

Tailoring the Selectivity of Bimetallic Copper-Palladium Nanoalloys for Electrocatalytic Reduction of CO2 to CO

Dong Chen et al.

ACS APPLIED ENERGY MATERIALS (2018)

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Article Chemistry, Multidisciplinary

Design of Aminopolymer Structure to Enhance Performance and Stability of CO2 Sorbents: Poly(propylenimine) vs Poly(ethylenimine)

Simon H. Pang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

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Article Chemistry, Physical

Selective electro- or photo-reduction of carbon dioxide to formic acid using a Cu-Zn alloy catalyst

Ge Yin et al.

JOURNAL OF MATERIALS CHEMISTRY A (2017)

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Article Engineering, Environmental

Electrochemical reduction of CO2 to formate in aqueous solution using electro-deposited Sn catalysts

Chenchen Zhao et al.

CHEMICAL ENGINEERING JOURNAL (2016)

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Article Chemistry, Multidisciplinary

Polyethylenimine promoted electrocatalytic reduction of CO2 to CO in aqueous medium by graphene-supported amorphous molybdenum sulphide

Fengwang Li et al.

ENERGY & ENVIRONMENTAL SCIENCE (2016)

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Article Chemistry, Physical

Porous tin-based film deposited on copper foil for electrochemical reduction of carbon dioxide to formate

Weixin Lu et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2016)

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Article Multidisciplinary Sciences

Partially oxidized atomic cobalt layers for carbon dioxide electroreduction to liquid fuel

Shan Gao et al.

NATURE (2016)

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Article Chemistry, Physical

Tuning the Selectivity of Carbon Dioxide Electroreduction toward Ethanol on Oxide-Derived CuxZn Catalysts

Dan Ren et al.

ACS CATALYSIS (2016)

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Article Chemistry, Multidisciplinary

Nanostructured Tin Catalysts for Selective Electrochemical Reduction of Carbon Dioxide to Formate

Sheng Zhang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2014)

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Article Chemistry, Multidisciplinary

Polyethylenimine-Enhanced Electrocatalytic Reduction of CO2 to Formate at Nitrogen-Doped Carbon Nanomaterials

Sheng Zhang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2014)

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Article Multidisciplinary Sciences

Hierarchically porous carbons with optimized nitrogen doping as highly active electrocatalysts for oxygen reduction

Hai-Wei Liang et al.

NATURE COMMUNICATIONS (2014)

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Article Chemistry, Physical

Electrochemical reduction of carbon dioxide III. The role of oxide layer thickness on the performance of Sn electrode in a full electrochemical cell

Jingjie Wu et al.

JOURNAL OF MATERIALS CHEMISTRY A (2014)

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Review Biotechnology & Applied Microbiology

Electrochemical conversion of CO2 to useful chemicals: current status, remaining challenges, and future opportunities

Huei-Ru Molly Jhong et al.

CURRENT OPINION IN CHEMICAL ENGINEERING (2013)

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Polyethyleneimine-reinforced Sn/Cu foam dendritic self-supporting catalytic cathode for CO2 reduction to HCOOH

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