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Themed collection International Year of the Periodic Table : Single Atoms as Active Catalysts

41 items
Minireview

Engineering ultrasmall metal nanoclusters for photocatalytic and electrocatalytic applications

The many fundamental properties of ultrasmall noble metal nanoclusters have made it increasingly clear that they possess enormous potential for photo- and electro-catalytic applications due to their unique electronic and optical properties.

Graphical abstract: Engineering ultrasmall metal nanoclusters for photocatalytic and electrocatalytic applications
From the themed collection: Nanoscale 10th Anniversary Special Issue
Review Article

Design of atomically dispersed catalytic sites for photocatalytic CO2 reduction

This Minireview highlights recent key developments of atomically dispersed catalytic sites for photocatalytic CO2 reduction and elucidates the common fundamentals behind various materials systems.

Graphical abstract: Design of atomically dispersed catalytic sites for photocatalytic CO2 reduction
From the themed collection: Recent Review Articles
Review Article

Atomic (single, double, and triple atoms) catalysis: frontiers, opportunities, and challenges

SACs, DACs, and TACs, heterogeneous catalysts with the advantages of homogeneous catalysts, are ideal models for exploring catalytic mechanisms and further designing catalysts.

Graphical abstract: Atomic (single, double, and triple atoms) catalysis: frontiers, opportunities, and challenges
From the themed collection: Recent Review Articles
Review Article

Recent progress in single-atom electrocatalysts: concept, synthesis, and applications in clean energy conversion

Introduction of recently reported single-atom catalysts and their application in the field of clean energy conversion.

Graphical abstract: Recent progress in single-atom electrocatalysts: concept, synthesis, and applications in clean energy conversion
From the themed collection: Recent Review Articles
Review Article

Single-atom catalysts and their applications in organic chemistry

Recent advances in single atom catalysts and their applications in organic chemistry are fully summarized in this review.

Graphical abstract: Single-atom catalysts and their applications in organic chemistry
From the themed collection: Recent Review Articles
Open Access Communication

Clean rhodium nanoparticles prepared by laser ablation in liquid for high performance electrocatalysis of the hydrogen evolution reaction

Rhodium nanoparticles prepared by a facile laser ablation procedure show excellent activity towards the hydrogen evolution reaction.

Graphical abstract: Clean rhodium nanoparticles prepared by laser ablation in liquid for high performance electrocatalysis of the hydrogen evolution reaction
Communication

Oxygen-assisted stabilization of single-atom Au during photocatalytic hydrogen evolution

Pre-treatment of graphitic carbon nitride (GCN) with H2O2 introduces active C–OH groups that can react with HAuCl4 to immobilize single atom Au(I) in the GCN matrix through creating robust Au(I)–O coordination bonds.

Graphical abstract: Oxygen-assisted stabilization of single-atom Au during photocatalytic hydrogen evolution
Communication

Synergistic catalysis between atomically dispersed Fe and a pyrrolic-N-C framework for CO2 electroreduction

Atomically dispersed Fe immobilized within N-doped carbon nanosheets was synthesized. The synergistic effect between the metal atom and its anchoring framework sites has been investigated for efficient CO2 reduction.

Graphical abstract: Synergistic catalysis between atomically dispersed Fe and a pyrrolic-N-C framework for CO2 electroreduction
Communication

Ultrafine Pt cluster and RuO2 heterojunction anode catalysts designed for ultra-low Pt-loading anion exchange membrane fuel cells

Pt–RuO2 heterojunction catalysts with a unique morphology show excellent alkaline membrane fuel cell performance at an ultra-low loading Pt anode.

Graphical abstract: Ultrafine Pt cluster and RuO2 heterojunction anode catalysts designed for ultra-low Pt-loading anion exchange membrane fuel cells
Communication

Metal-promoted Mo6S8 clusters: a platform for probing ensemble effects on the electrochemical conversion of CO2 and CO to methanol

Presented herein is an investigation of a promising ternary metal sulfide catalyst that is capable of electrochemically converting CO2 to liquid and gas fuels such as methanol and hydrogen.

Graphical abstract: Metal-promoted Mo6S8 clusters: a platform for probing ensemble effects on the electrochemical conversion of CO2 and CO to methanol
Communication

Functional mapping reveals mechanistic clusters for OER catalysis across (Cu–Mn–Ta–Co–Sn–Fe)Ox composition and pH space

Analysis and visualization of over 2121 OER catalyst compositions over pH 3–13 identifies mechanistic clusters.

Graphical abstract: Functional mapping reveals mechanistic clusters for OER catalysis across (Cu–Mn–Ta–Co–Sn–Fe)Ox composition and pH space
Communication

Single-atomic-site cobalt stabilized on nitrogen and phosphorus co-doped carbon for selective oxidation of primary alcohols

Single-atomic-site Co stabilized on nitrogen and phosphorus co-doped carbon exhibits superior performance for the oxidation of substituted primary alcohols.

Graphical abstract: Single-atomic-site cobalt stabilized on nitrogen and phosphorus co-doped carbon for selective oxidation of primary alcohols
Communication

Carbon nanotube-linked hollow carbon nanospheres doped with iron and nitrogen as single-atom catalysts for the oxygen reduction reaction in acidic solutions

A three-dimensional structure consisting of atomically dispersed Fe, N-doped hollow carbon nanospheres linked by carbon nanotubes was engineered as an electrocatalyst showing a high activity for oxygen reduction reaction.

Graphical abstract: Carbon nanotube-linked hollow carbon nanospheres doped with iron and nitrogen as single-atom catalysts for the oxygen reduction reaction in acidic solutions
Communication

Composition-driven shape evolution to Cu-rich PtCu octahedral alloy nanocrystals as superior bifunctional catalysts for methanol oxidation and oxygen reduction reaction

Cu-Rich PtCu octahedral alloy nanocrystals have been achieved by a composition-driven strategy and used as a robust bifunctional electrocatalyst for MOR and ORR in an acid medium.

Graphical abstract: Composition-driven shape evolution to Cu-rich PtCu octahedral alloy nanocrystals as superior bifunctional catalysts for methanol oxidation and oxygen reduction reaction
Communication

Atomic scale deposition of Pt around Au nanoparticles to achieve much enhanced electrocatalysis of Pt

We achieved atomic scale deposition of Pt around Au nanoparticles and enhanced Pt electrocatalysis for formic acid oxidation.

Graphical abstract: Atomic scale deposition of Pt around Au nanoparticles to achieve much enhanced electrocatalysis of Pt
Paper

Interfacial synergy of ultralong jagged Pt85Mo15–S nanowires with abundant active sites on enhanced hydrogen evolution in an alkaline solution

Ultralong jagged PtMo–S nanowires with rich “interfacial active sites” were fabricated by using S as the “active auxiliary” to demonstrate the enhanced catalytic HER performance triggered by the electronic and synergistic effects of PtMo/MoSx.

Graphical abstract: Interfacial synergy of ultralong jagged Pt85Mo15–S nanowires with abundant active sites on enhanced hydrogen evolution in an alkaline solution
Paper

Carbon fragments as highly active metal-free catalysts for the oxygen reduction reaction: a mechanistic study

Carbon fullerene fragments with low group-symmetry are highly active catalysts for the oxygen reduction reaction.

Graphical abstract: Carbon fragments as highly active metal-free catalysts for the oxygen reduction reaction: a mechanistic study
From the themed collection: Nanoscale 10th Anniversary Special Issue
Paper

Selectivity for ethanol partial oxidation: the unique chemistry of single-atom alloy catalysts on Au, Ag, and Cu(111)

Doping of a strong-binding single-atom element into inert close-packed substrates leads to highly active and selective initial dehydrogenation at the α-C–H site of adsorbed ethanol.

Graphical abstract: Selectivity for ethanol partial oxidation: the unique chemistry of single-atom alloy catalysts on Au, Ag, and Cu(111)
Open Access Paper

Bimetallic Pd96Fe4 nanodendrites embedded in graphitic carbon nanosheets as highly efficient anode electrocatalysts

Bimetallic Pd–Fe nanoalloys with tunable composition immobilized on graphitic carbon by one-pot radiolytic reduction show high electrocatalytic activity for alcohol oxidation.

Graphical abstract: Bimetallic Pd96Fe4 nanodendrites embedded in graphitic carbon nanosheets as highly efficient anode electrocatalysts
Open Access Paper

TiO2 photoanodes with exposed {0 1 0} facets grown by aerosol-assisted chemical vapor deposition of a titanium oxo/alkoxy cluster

TiO2 photoanodes with {0 1 0} facets exposed show high photoelectrochemical performance and IPCE of 100% at 350 nm.

Graphical abstract: TiO2 photoanodes with exposed {0 1 0} facets grown by aerosol-assisted chemical vapor deposition of a titanium oxo/alkoxy cluster
Paper

One-core-atom loss in a gold nanocluster promotes hydroamination reaction of alkynes

Au24 without a core atom exhibits higher activity in the intramolecular hydroamination of alkynes than Au25 with the core atom.

Graphical abstract: One-core-atom loss in a gold nanocluster promotes hydroamination reaction of alkynes
Paper

Single molybdenum center supported on N-doped black phosphorus as an efficient electrocatalyst for nitrogen fixation

Single Mo center supported on N-doped black phosphorus is predicted to be a compelling highly efficient and durable catalyst for electrochemical N2 fixation by density functional theory calculations.

Graphical abstract: Single molybdenum center supported on N-doped black phosphorus as an efficient electrocatalyst for nitrogen fixation
Paper

N,P co-coordinated Fe species embedded in carbon hollow spheres for oxygen electrocatalysis

Carbon hollow spheres (FeNPC) with single-atomic and octahedral FeNxPy active sites are fabricated for oxygen electrocatalysis.

Graphical abstract: N,P co-coordinated Fe species embedded in carbon hollow spheres for oxygen electrocatalysis
Paper

A phenanthroline-based porous organic polymer for the iridium-catalyzed hydrogenation of carbon dioxide to formate

A novel phenanthroline-functionalized porous organic polymer (phen-POP) has been designed, and prepared for the first time without other reactive functional groups in the polymer skeleton. Post-synthetic metalation of phen-POP with IrCl3 afforded a single-site, highly active and selective catalyst for the hydrogenation of CO2 to formate.

Graphical abstract: A phenanthroline-based porous organic polymer for the iridium-catalyzed hydrogenation of carbon dioxide to formate
Paper

Unraveling the high-activity nature of Fe–N–C electrocatalysts for the oxygen reduction reaction: the extraordinary synergy between Fe–N4 and Fe4N

Fe4N can play a decisive role in boosting the catalytic performance of Fe–N4 coordination sites.

Graphical abstract: Unraveling the high-activity nature of Fe–N–C electrocatalysts for the oxygen reduction reaction: the extraordinary synergy between Fe–N4 and Fe4N
Paper

Achieving highly efficient CO2 to CO electroreduction exceeding 300 mA cm−2 with single-atom nickel electrocatalysts

A high CO2 to CO electroreduction rate exceeding 300 mA cm−2 was achieved with single atom nickel and nitrogen doped three-dimensional porous carbon electrocatalysts.

Graphical abstract: Achieving highly efficient CO2 to CO electroreduction exceeding 300 mA cm−2 with single-atom nickel electrocatalysts
Paper

In situ incorporation of cobalt nanoclusters and nitrogen into the carbon matrix: a bifunctional catalyst for the oxygen depolarized cathode and chlorine evolution in HCl electrolysis

The co-insertion of both cobalt and nitrogen into the carbon matrix was achieved from single precursor without any templates. The obtained Co-NSC catalyst was explored bifunctionally towards both oxygen depolarized cathode and chlorine evolution under HCl electrolysis conditions.

Graphical abstract: In situ incorporation of cobalt nanoclusters and nitrogen into the carbon matrix: a bifunctional catalyst for the oxygen depolarized cathode and chlorine evolution in HCl electrolysis
Paper

Synergetic effects of strain engineering and substrate defects on generating highly efficient single-atom catalysts for CO oxidation

Developing highly efficient single-atom catalysts (SACs) containing isolated metal atom monomers dispersed on appropriate substrates has surged to the forefront of heterogeneous catalysis in recent years.

Graphical abstract: Synergetic effects of strain engineering and substrate defects on generating highly efficient single-atom catalysts for CO oxidation
Paper

Atmosphere-dependent stability and mobility of catalytic Pt single atoms and clusters on γ-Al2O3

Pt single atoms, stable on alumina under O2, form mobile clusters under H2, due to adsorbate- and nuclearity-dependent metal-support interaction.

Graphical abstract: Atmosphere-dependent stability and mobility of catalytic Pt single atoms and clusters on γ-Al2O3
Paper

A heterogeneous single Cu catalyst of Cu atoms confined in the spinel lattice of MgAl2O4 with good catalytic activity and stability for NO reduction by CO

A heterogeneous single Cu catalyst exhibits good catalytic activity and durability at high temperature for NO reduction by CO due to the confinement effect of spinel lattice.

Graphical abstract: A heterogeneous single Cu catalyst of Cu atoms confined in the spinel lattice of MgAl2O4 with good catalytic activity and stability for NO reduction by CO
Paper

g-C3N4 promoted MOF derived hollow carbon nanopolyhedra doped with high density/fraction of single Fe atoms as an ultra-high performance non-precious catalyst towards acidic ORR and PEM fuel cells

Atomic Fe-doped hollow carbon nanopolyhedra as efficient ORR catalysts.

Graphical abstract: g-C3N4 promoted MOF derived hollow carbon nanopolyhedra doped with high density/fraction of single Fe atoms as an ultra-high performance non-precious catalyst towards acidic ORR and PEM fuel cells
Paper

Conversion of dinitrogen to ammonia on Ru atoms supported on boron sheets: a DFT study

By first-principles computations, nitrogen becomes activated via distal pathway on the single Ru-atom-embedded two boron monolayers, exhibiting relatively low reaction energy barriers of 0.42 and 0.44 eV, respectively.

Graphical abstract: Conversion of dinitrogen to ammonia on Ru atoms supported on boron sheets: a DFT study
Paper

Electrochemical reduction of CO2 by single atom catalyst TM–TCNQ monolayers

Eight novel two-dimensional TM–TCNQ (TM = V–Zn) monolayers as highly efficient and selective electrocatalysts for CO2 reduction have been systematically studied and the underlying detailed reaction mechanisms have been revealed.

Graphical abstract: Electrochemical reduction of CO2 by single atom catalyst TM–TCNQ monolayers
Paper

Cobalt single-atoms anchored on porphyrinic triazine-based frameworks as bifunctional electrocatalysts for oxygen reduction and hydrogen evolution reactions

Cobalt single atoms anchored on porphyrinic triazine frameworks exhibit high activity in ORR and HER.

Graphical abstract: Cobalt single-atoms anchored on porphyrinic triazine-based frameworks as bifunctional electrocatalysts for oxygen reduction and hydrogen evolution reactions
Paper

Two-dimensional π-conjugated metal–organic nanosheets as single-atom catalysts for the hydrogen evolution reaction

Two-dimensional planar metal–organic nanosheets exhibit a superior performance to Pt-based catalysts for hydrogen evolution reaction.

Graphical abstract: Two-dimensional π-conjugated metal–organic nanosheets as single-atom catalysts for the hydrogen evolution reaction
Paper

Single atom alloy catalyst for SO3 decomposition: enhancement of platinum catalyst's performance by Ag atom embedding

Single Ag atom embedded Pt particle as novel catalyst for SO3 decomposition. They show lower activation barrier and have potential towards better thermal resistance and better recyclability.

Graphical abstract: Single atom alloy catalyst for SO3 decomposition: enhancement of platinum catalyst's performance by Ag atom embedding
Paper

Unravelling the electrochemical mechanisms for nitrogen fixation on single transition metal atoms embedded in defective graphitic carbon nitride

Single transition metal atoms supported by defective g-C3N4 are examined by DFT for electrochemical N2 fixation. The single Ti atom is the most promising candidate for its high activity and stability owing to the coordination number of the Image ID:c8ta06497k-u1.gif active center.

Graphical abstract: Unravelling the electrochemical mechanisms for nitrogen fixation on single transition metal atoms embedded in defective graphitic carbon nitride
Paper

A Co–N4 moiety embedded into graphene as an efficient single-atom-catalyst for NO electrochemical reduction: a computational study

Co–N4-embedded graphene exhibits superior catalytic performance for NO electrochemical reduction with a lower onset potential than that of Pt-based catalyst.

Graphical abstract: A Co–N4 moiety embedded into graphene as an efficient single-atom-catalyst for NO electrochemical reduction: a computational study
Paper

Synergistic effect of an atomically dual-metal doped catalyst for highly efficient oxygen evolution

Isolated dual transition metal atoms (Ni and Fe) were uniformly embedded into graphitic carbon nitride via a metal–Nx bond, resulting in highly efficient catalytic activity due to the electronic structure reconfiguration.

Graphical abstract: Synergistic effect of an atomically dual-metal doped catalyst for highly efficient oxygen evolution
Paper

A stable rhodium single-site catalyst encapsulated within dendritic mesoporous nanochannels

A stable single-site Rh catalyst was formed inside individual channels of three-dimensional dendritic mesoporous silica nanospheres through aminosilane binding. The catalyst demonstrated an excellent activity, stability and recyclability in the reduction of 4-nitrophenol, high regioselectivity in the hydrosilylation of terminal alkyne.

Graphical abstract: A stable rhodium single-site catalyst encapsulated within dendritic mesoporous nanochannels
Paper

Tailoring the framework composition of carbon nitride to improve the catalytic efficiency of the stabilised palladium atoms

The C/N ratio of the carbon nitride lattice is tailored by doping with carbon to assess the impact on the stabilisation of palladium atoms and their catalytic efficiency in the selective hydrogenation of 2-methyl-3-butyn-2-ol.

Graphical abstract: Tailoring the framework composition of carbon nitride to improve the catalytic efficiency of the stabilised palladium atoms
41 items

About this collection

Guest Edited by;

Zhiqun Lin, Georgia Institute of Technology USA, Journal of Materials Chemistry A Associate Editor.

Federico Rosei, Institut National de la Recherche Scientifique Canada, Journal of Materials Chemistry C Associate Editor.

Shouheng Sun, Brown University USA, Nanoscale/Nanoscale Advances Associate Editor.

Xiao Cheng Zeng, University of Nebraska-Lincoln USA, Nanoscale/Nanoscale Advances Associate Editor.

This themed collection is the sixth in a series celebrating the International Year of the Periodic Table. ‘Single Atoms as Active Catalysts’ features papers from across the Materials and Nano journal portfolio; Materials Horizons, Nanoscale Horizons, Nanoscale, and Journal of Materials Chemistry A. The papers selected for this themed issue focus on the current hot trends in the single atom and nanocluster catalyst field, including synthetic strategies for high metal loadings, large-scale production, MOF-based single-atom catalysts, and more

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