Showing papers in "ACS Catalysis in 2020"
TL;DR: There is a considerable interest in the development of photocatalytic CO2 conversion by sunlight, since this process has similarities with natural photosynthesis on which life on Earth is based as discussed by the authors.
Abstract: There is a considerable interest in the development of photocatalytic CO2 conversion by sunlight, since this process has similarities with natural photosynthesis on which life on Earth is based. At...
370 citations
TL;DR: In this paper, the development of such a process has been retarded by the lack of efficient electrocata-based electrocatalytic nitrate reduction into recyclable ammonium under benign conditions.
Abstract: Electrocatalytic nitrate reduction into recyclable ammonium under benign conditions is significant. However, the development of such a process has been retarded by the lack of efficient electrocata...
368 citations
TL;DR: Carbon-based materials are widely employed as metal-free catalysts or supports in catalysis, energy, and ecological applications because of their interesting properties as mentioned in this paper, and their high surfa...
Abstract: Carbon-based materials are widely employed as metal-free catalysts or supports in catalysis, energy, and ecological applications because of their interesting properties. Generally, their high surfa...
335 citations
TL;DR: The rational design of OER catalysts from the perspective of electronic structure is highly desirable to optimize electrocatalytic activity as mentioned in this paper, and it is desirable to design a rational OER catalyst from the point of view of the electronic structure.
Abstract: The rational design of oxygen evolution reaction (OER) catalysts from the perspective of electronic structure is highly desirable to optimize electrocatalytic activity. Monometallic phosphides such...
320 citations
TL;DR: Transition-metal phosphides have been shown to be promising electrocatalysts in water for both hydrogen evolution reaction (HER) and oxygen evolution reaction as mentioned in this paper, and transition metal phosphides were shown to have promising performance for both HER and OER.
Abstract: Transition-metal phosphides have been shown to be promising electrocatalysts in water for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). To maximize reactivity toward b...
316 citations
TL;DR: The electrocatalytic oxygen evolution reaction (OER) is a core reaction responsible for converting renewable electricity into storable fuels; yet, it is kinetically challenging, because of the complex complex OER as discussed by the authors.
Abstract: Electrocatalytic oxygen evolution reaction (OER) is a core reaction responsible for converting renewable electricity into storable fuels; yet, it is kinetically challenging, because of the complex ...
315 citations
TL;DR: The use of solar energy to catalyze the photo-driven processes has attracted tremendous attention from the scientific community because of its great potential to address energy and environmental is....
Abstract: The use of solar energy to catalyze the photo-driven processes has attracted tremendous attention from the scientific community because of its great potential to address energy and environmental is...
312 citations
TL;DR: The discovery and development of catalysts and catalytic processes are essential components to maintaining an ecological balance in the future as mentioned in this paper, and recent revolutions made in data science could have a...
Abstract: The discovery and development of catalysts and catalytic processes are essential components to maintaining an ecological balance in the future. Recent revolutions made in data science could have a ...
272 citations
TL;DR: It is demonstrated that the catalytic properties of tailored Cu nanocatalysts under commercially relevant current densities in a gas-fed flow cell with the advantage of further suppressing hydrogen production and increasing the faradaic efficiencies toward the CO2 reduction products compared to a conventional H-cell.
Abstract: Despite substantial progress in the electrochemical conversion of CO2 into value-added chemicals, the translation of fundamental studies into commercially relevant conditions requires additional efforts. Here, we study the catalytic properties of tailored Cu nanocatalysts under commercially relevant current densities in a gas-fed flow cell. We demonstrate that their facet-dependent selectivity is retained in this device configuration with the advantage of further suppressing hydrogen production and increasing the faradaic efficiencies toward the CO2 reduction products compared to a conventional H-cell. The combined catalyst and system effects result in state-of-the art product selectivity at high current densities (in the range 100-300 mA/cm2) and at relatively low applied potential (as low as -0.65 V vs RHE). Cu cubes reach an ethylene selectivity of up to 57% with a corresponding mass activity of 700 mA/mg, and Cu octahedra reach a methane selectivity of up to 51% with a corresponding mass activity of 1.45 A/mg in 1 M KOH.
261 citations
TL;DR: In this paper, four different types of CeO2 compounds were evaluated for CO2 hydrogenation and three of them were shown to have tunable properties including metal-support interaction and abundant oxygen vacancy.
Abstract: CeO2 is an excellent potential material for CO2 hydrogenation attributed to the highly tunable properties including metal–support interaction and abundant oxygen vacancy. In this work, four CeO2 su...
261 citations
TL;DR: The mechanistic interplay between the oxygen evolution reaction (OER) and material degradation during water electrolysis is not yet well understood even for the most studied OER electrocatalysts as mentioned in this paper.
Abstract: The mechanistic interplay between the oxygen evolution reaction (OER) and material degradation during water electrolysis is not yet well understood even for the most studied OER electrocatalysts su...
TL;DR: In this Perspective, the progress that has been made toward Ni-catalyzed enantioselective reductive cross-coupling reactions is summarized.
Abstract: Nickel-catalyzed reductive cross-coupling reactions have emerged as powerful methods to join two electrophiles These reactions have proven particularly useful for the coupling of sec-alkyl electrophiles to form stereogenic centers; however, the development of enantioselective variants remains challenging In this Perspective, we summarize the progress that has been made toward Ni-catalyzed enantioselective reductive cross-coupling reactions
TL;DR: In this paper, the authors proposed a method to find catalysts with high efficiency, low-cost and high stability for the research of heterogeneous catalysis, which plays an important role in modern industries.
Abstract: Heterogeneous catalysis plays an important role in modern industries. Exploring catalysts with high efficiency, low-cost and high stability is an important issue for the research of heterogeneous c...
TL;DR: The paradigm for “photocatalysis” has been subject to continuous evolution, particularly over most recent years, due to the increasing attention to sustainable schemes for energy and chemicals prod...
Abstract: The paradigm for “photocatalysis” has been subject to continuous evolution, particularly over most recent years, due to the increasing attention to sustainable schemes for energy and chemicals prod...
TL;DR: In this paper, single metal atoms embedded within select supporting matrices have shown great potential in the development of high efficiency, low-cost electrocatalysts because of maximal atom utilization and mas...
Abstract: Single metal atoms embedded within select supporting matrices have shown great potential in the development of high-efficiency, low-cost electrocatalysts because of maximal atom utilization and mas...
TL;DR: In the recent years, significant progress has been made toward designing active and selective catalysts for electrochemical CO2 reduction, with particular interest focused on the two major C2 produ... as mentioned in this paper.
Abstract: In the recent years, significant progress has been made toward designing active and selective catalysts for electrochemical CO2 reduction, with particular interest focused on the two major C2 produ...
TL;DR: In this paper, a one-step controllable synthesis of triacetone triphosphoric acid (TTP) was reported. But the synthesis was performed in a single generator.
Abstract: Selective conversion of renewable sources is necessary for developing energy generation technology and protecting the environment. Herein, this work reports a one-step controllable synthesis of tri...
TL;DR: High-entropy alloys (HEAs) as mentioned in this paper are defined as near-equimolar alloys of five or more elements and have attracted ever increasing attention because of the unique properties in a variety of applicatio...
Abstract: High-entropy alloys (HEAs), which are defined as near-equimolar alloys of five or more elements, are attracting ever increasing attention because of the unique properties in a variety of applicatio...
TL;DR: In this article, RuO2 is a benchmark acidic oxygen evolution reaction (OER) catalyst, but its wide applications are always restricted by slow dynamics and limited durability, and it is not suitable for many applications.
Abstract: Currently, RuO2 is a benchmark acidic oxygen evolution reaction (OER) catalyst. Nevertheless, its wide applications are always restricted by slow dynamics and limited durability. This paper reports...
TL;DR: Ammonia (NH3), one of the basic chemicals in most fertilizers and a promising carbon-free energy storage carrier, is typically synthesized via the Haber-Bosch process with high energy consumption as discussed by the authors.
Abstract: Ammonia (NH3), one of the basic chemicals in most fertilizers and a promising carbon-free energy storage carrier, is typically synthesized via the Haber–Bosch process with high energy consumption a...
TL;DR: In this paper, the synthesis of hydrogen peroxide (H2O2) from H2O and O2 by metal-free photocatalysts (e.g., graphitic carbon nitride, C3N4) is a potentially promising approach to generate H 2O2.
Abstract: The synthesis of hydrogen peroxide (H2O2) from H2O and O2 by metal-free photocatalysts (e.g., graphitic carbon nitride, C3N4) is a potentially promising approach to generate H2O2. However, the phot...
TL;DR: In this article, the authors present an approach for a probabilistic and unbiased discovery of selective and active catalysts for the carbon dioxide (CO2) and carbon monoxide (CO) reduction reactions on high-entropy alloys.
Abstract: We present an approach for a probabilistic and unbiased discovery of selective and active catalysts for the carbon dioxide (CO2) and carbon monoxide (CO) reduction reactions on high-entropy alloys ...
TL;DR: Enzyme engineering plays a central role in developing efficient biocatalysts for biotechnology, biomedicine, and life sciences and directed evolution approache...
Abstract: Enzyme engineering plays a central role in developing efficient biocatalysts for biotechnology, biomedicine, and life sciences. Apart from classical rational design and directed evolution approache...
TL;DR: The electrochemical stability of metal-organic frameworks (MOFs) and the role of in situ-formed species during electrochemistry are discussed in this paper, where the authors show that MOFs can be used as electrocatalysts.
Abstract: Despite recent attempts using metal–organic frameworks (MOFs) directly as electrocatalysts, the electrochemical stability of MOFs and the role of in situ-formed species during electrochemistry are ...
TL;DR: In this paper, the authors describe the synthesis of hydrogen peroxide as a valuable chemical oxidant with a wide range of applications in a variety of industrial processes, especially in water sanitization.
Abstract: Hydrogen peroxide is a valuable chemical oxidant with a wide range of applications in a variety of industrial processes, especially in water sanitization. Electrochemical synthesis of hydrogen pero...
TL;DR: In this paper, the authors considered the photocatalytic production of H2O2 from the reduction of O2 by semiconductor photocatalysts (e.g., graphitic carbon nitride, C3N4).
Abstract: Photocatalytic production of H2O2 from the reduction of O2 by semiconductor photocatalysts (e.g., graphitic carbon nitride, C3N4) has been regarded as an alternative for small-scale decentralized H...
TL;DR: The conversion of carbon dioxide (CO2) into high-value chemical products has become a dramatic research area because of the efficient exploitation of carbon resources and simultaneous r....
Abstract: Electrochemical conversion of carbon dioxide (CO2) into high-value chemical products has become a dramatic research area because of the efficient exploitation of carbon resources and simultaneous r...
TL;DR: In this article, the authors describe the high overpotential, stability, and selectivity in the use of a stable catalyst for the conversion of carbon dioxide into selective hydrocarbons.
Abstract: Conversion of carbon dioxide into selective hydrocarbon using a stable catalyst remains a holy grail in the catalysis community. The high overpotential, stability, and selectivity in the use of a s...
TL;DR: Great opportunities exist for the development of three-component difunctionalization reactions with broad substrate scopes and tunable chemo-, regio-, and stereoselectivities.
Abstract: 1,2-Dicarbofunctionalization of alkenes has emerged as an efficient synthetic strategy for preparing substituted molecules by coupling readily available alkenes with electrophiles and/or nucleophiles Nickel complexes serve as effective catalysts owing to their tendency to undergo facile oxidative addition and slow β-hydride elimination, and their capability to access both two-electron and radical pathways Two-component alkene functionalization reactions have achieved high chemo-, regio-, and stereoselectivities by tethering one of the coupling partners to the alkene substrate Three-component reactions, however, often incorporate directing groups to control the selectivity Only a few examples of directing-group-free difunctionalizations of unactivated alkenes have been reported Therefore, great opportunities exist for the development of three-component difunctionalization reactions with broad substrate scopes and tunable chemo-, regio-, and stereoselectivities
Abstract: Single-atom catalysts have drawn considerable attention because of their maximum atom utilization and unique electronic properties. In recent years, Metal-organic frameworks (MOFs) have demonstrate...