Surface and Interface Control in Nanoparticle Catalysis

Xie, Chenlu; Niu, Zhiqiang; Kim, Dohyung; Li, Mufan; Yang, Peidong

doi:10.1021/acs.chemrev.9b00220

Cited by 616 publications

(432 citation statements)

References 610 publications

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“…Either way proceeds to further protonation of the *C 2 O 2 − intermediate, until the relatively stable intermediates *CO‐COH (Figure 2d) or *COCHO are formed. [ 29 ] On the other hand, Goodpaster et al considered the effect of the applied potential and electrolyte condition, and suggested that CC bond formation pathways can be different depending on the applied potential. [ 30 ] They proposed that at low overpotential, CC bond formation occurs via a reaction of two surface‐bound *CO, while at higher overpotential, the reaction of *CO and *CHO (Figure 2e,f) is preferable because of a large activation barrier to the formation of a CO dimer.…”

Section: Mechanism On Co2rr On Cu Catalystsmentioning

confidence: 99%

“…Brief pathways to ethylene and ethanol formation. The brown and blue arrows indicate ethylene pathways [ 29 ] and ethanol pathways, [ 31 ] respectively. The green arrows indicate intermediates of the reaction.…”

Section: Mechanism On Co2rr On Cu Catalystsmentioning

confidence: 99%

Section: Mechanism On Co2rr On Cu Catalystsmentioning

confidence: 99%

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Potential Link between Cu Surface and Selective CO₂ Electroreduction: Perspective on Future Electrocatalyst Designs

et al. 2020

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Electrochemical reduction of carbon dioxide (CO2RR) product distribution has been identified to be dependent on various surface factors, including the Cu facet, morphology, chemical states, doping, etc., which can alter the binding strength of key intermediates such as *CO and *OCCO during reduction. Therefore, in‐depth knowledge of the Cu catalyst surface and identification of the active species under reaction conditions aid in designing efficient Cu‐based electrocatalysts. This progress report categorizes various Cu‐based electrocatalysts into four main groups, namely metallic Cu, Cu alloys, Cu compounds (Cu + non‐metal), and supported Cu‐based catalysts (Cu supported by carbon, metal oxides, or polymers). The detailed mechanisms for the selective CO2RR are presented, followed by recent relevant developments on the synthetic procedures for preparing Cu and Cu‐based nanoparticles. Herein, the potential link between the Cu surface and CO2RR performance is highlighted, especially in terms of the chemical states, but other significant factors such as defective sites and roughened morphology of catalysts are equally considered during the discussion of current studies of CO2RR with Cu‐based electrocatalysts to fully understand the origin of the significant enhancement toward C2 formation. This report concludes by providing suggestions for future designs of highly selective and stable Cu‐based electrocatalysts for CO2RR.

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Section: Mechanism On Co2rr On Cu Catalystsmentioning

confidence: 99%

Section: Mechanism On Co2rr On Cu Catalystsmentioning

confidence: 99%

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Potential Link between Cu Surface and Selective CO₂ Electroreduction: Perspective on Future Electrocatalyst Designs

et al. 2020

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“…Electrochemical converting greenhouse gas CO 2 into useful renewable fuels is an emerging research area, in which achieving high reaction activity and product selectivity at low overpotential is of vital importance. [ 1 ] Compared with the noble metals [ 2 ] (Pd, Au, Ag, etc.) and toxic metals [ 3 ] (Pb, In, etc.…”

Section: Figurementioning

confidence: 99%

Novel Bi‐Doped Amorphous SnO_x Nanoshells for Efficient Electrochemical CO₂ Reduction into Formate at Low Overpotentials

et al. 2020

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Engineering novel Sn‐based bimetallic materials could provide intriguing catalytic properties to boost the electrochemical CO2 reduction. Herein, the first synthesis of homogeneous Sn1−xBix alloy nanoparticles (x up to 0.20) with native Bi‐doped amorphous SnOx shells for efficient CO2 reduction is reported. The Bi‐SnOx nanoshells boost the production of formate with high Faradaic efficiencies (>90%) over a wide potential window (−0.67 to −0.92 V vs RHE) with low overpotentials, outperforming current tin oxide catalysts. The state‐of‐the‐art Bi‐SnOx nanoshells derived from Sn0.80Bi0.20 alloy nanoparticles exhibit a great partial current density of 74.6 mA cm−2 and high Faradaic efficiency of 95.8%. The detailed electrocatalytic analyses and corresponding density functional theory calculations simultaneously reveal that the incorporation of Bi atoms into Sn species facilitates formate production by suppressing the formation of H2 and CO.

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“…In particular, the high Gibbs free energy of the formation of OOH intermediates with proton-coupled electron transfer process or that of the double bond formation for oxygen molecules should be overcome [25]. Thus, a catalytic reaction requires appropriate selection and modification of catalysts to control the complex physical and chemical reactions in the photocatalysts [26][27][28][29].…”

Section: Catalytic Chemical Reaction: Water Reduction/oxidation Reactionmentioning

confidence: 99%

Understanding Surface Modulation to Improve the Photo/Electrocatalysts for Water Oxidation/Reduction

Cho

Lee

2020

Molecules

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Water oxidation and reduction reactions play vital roles in highly efficient hydrogen production conducted by an electrolyzer, in which the enhanced efficiency of the system is apparently accompanied by the development of active electrocatalysts. Solar energy, a sustainable and clean energy source, can supply the kinetic energy to increase the rates of catalytic reactions. In this regard, understanding of the underlying fundamental mechanisms of the photo/electrochemical process is critical for future development. Combining light-absorbing materials with catalysts has become essential to maximizing the efficiency of hydrogen production. To fabricate an efficient absorber-catalysts system, it is imperative to fully understand the vital role of surface/interface modulation for enhanced charge transfer/separation and catalytic activity for a specific reaction. The electronic and chemical structures at the interface are directly correlated to charge carrier movements and subsequent chemical adsorption and reaction of the reactants. Therefore, rational surface modulation can indeed enhance the catalytic efficiency by preventing charge recombination and prompting transfer, increasing the reactant concentration, and ultimately boosting the catalytic reaction. Herein, the authors review recent progress on the surface modification of nanomaterials as photo/electrochemical catalysts for water reduction and oxidation, considering two successive photogenerated charge transfer/separation and catalytic chemical reactions. It is expected that this review paper will be helpful for the future development of photo/electrocatalysts.

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Surface and Interface Control in Nanoparticle Catalysis

Cited by 616 publications

References 610 publications

Potential Link between Cu Surface and Selective CO₂ Electroreduction: Perspective on Future Electrocatalyst Designs

Potential Link between Cu Surface and Selective CO₂ Electroreduction: Perspective on Future Electrocatalyst Designs

Novel Bi‐Doped Amorphous SnO_x Nanoshells for Efficient Electrochemical CO₂ Reduction into Formate at Low Overpotentials

Understanding Surface Modulation to Improve the Photo/Electrocatalysts for Water Oxidation/Reduction

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Surface and Interface Control in Nanoparticle Catalysis

Cited by 616 publications

References 610 publications

Potential Link between Cu Surface and Selective CO2 Electroreduction: Perspective on Future Electrocatalyst Designs

Potential Link between Cu Surface and Selective CO2 Electroreduction: Perspective on Future Electrocatalyst Designs

Novel Bi‐Doped Amorphous SnOx Nanoshells for Efficient Electrochemical CO2 Reduction into Formate at Low Overpotentials

Understanding Surface Modulation to Improve the Photo/Electrocatalysts for Water Oxidation/Reduction

Contact Info

Product

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About

Potential Link between Cu Surface and Selective CO₂ Electroreduction: Perspective on Future Electrocatalyst Designs

Potential Link between Cu Surface and Selective CO₂ Electroreduction: Perspective on Future Electrocatalyst Designs

Novel Bi‐Doped Amorphous SnO_x Nanoshells for Efficient Electrochemical CO₂ Reduction into Formate at Low Overpotentials