Heterogeneous catalysis
View article: Metal Catalysts for Heterogeneous Catalysis: From Single Atoms to Nanoclusters and Nanoparticles
Metal Catalysts for Heterogeneous Catalysis: From Single Atoms to Nanoclusters and Nanoparticles Open
Metal species with different size (single atoms, nanoclusters, and nanoparticles) show different catalytic behavior for various heterogeneous catalytic reactions. It has been shown in the literature that many factors including the particle…
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Single Atomic Iron Catalysts for Oxygen Reduction in Acidic Media: Particle Size Control and Thermal Activation Open
It remains a grand challenge to replace platinum group metal (PGM) catalysts with earth-abundant materials for the oxygen reduction reaction (ORR) in acidic media, which is crucial for large-scale deployment of proton exchange membrane fue…
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How Catalysts and Experimental Conditions Determine the Selective Hydroconversion of Furfural and 5-Hydroxymethylfurfural Open
Furfural and 5-hydroxymethylfurfural stand out as bridges connecting biomass raw materials to the biorefinery industry. Their reductive transformations by hydroconversion are key routes toward a wide variety of chemicals and biofuels, and …
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Ceria Catalysts at Nanoscale: How Do Crystal Shapes Shape Catalysis? Open
Engineering the shape and size of catalyst particles and the interface between different components of heterogeneous catalysts at the nanometer level can radically alter their performances. This is particularly true with CeO2-based catalys…
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A Theory/Experience Description of Support Effects in Carbon-Supported Catalysts Open
The support plays an important role for supported metal catalysts by positioning itself as a macromolecular ligand, which conditions the nature of the active site and contributes indirectly but also sometimes directly to the reactivity. Me…
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Oxygen Reduction by Homogeneous Molecular Catalysts and Electrocatalysts Open
The oxygen reduction reaction (ORR) is a key component of biological processes and energy technologies. This Review provides a comprehensive report of soluble molecular catalysts and electrocatalysts for the ORR. The precise synthetic cont…
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O<sub>2</sub>Activation by Metal Surfaces: Implications for Bonding and Reactivity on Heterogeneous Catalysts Open
The activation of O2 on metal surfaces is a critical process for heterogeneous catalysis and materials oxidation. Fundamental studies of well-defined metal surfaces using a variety of techniques have given crucial insight into the mechanis…
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Catalysis in biodiesel production—a review Open
Catalysts play a significant role in transesterification of vegetable oils. Currently, chemical and biological catalysts are being investigated, and both have their inherent merits and demerits. In large-scale applications, these catalysts…
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Bimetallic Sites for Catalysis: From Binuclear Metal Sites to Bimetallic Nanoclusters and Nanoparticles Open
Heterogeneous bimetallic catalysts have broad applications in industrial processes, but achieving a fundamental understanding on the nature of the active sites in bimetallic catalysts at the atomic and molecular level is very challenging d…
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Heterogeneous Catalysis on Metal Oxides Open
This review article contains a reminder of the fundamentals of heterogeneous catalysis and a description of the main domains of heterogeneous catalysis and main families of metal oxide catalysts, which cover acid-base reactions, selective …
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Covalent Organic Frameworks for Heterogeneous Catalysis: Principle, Current Status, and Challenges Open
Heterogeneous catalysts offer a cyclable platform for exploring efficient transformation systems, and their promising applications underpin a broad research interest. Covalent organic frameworks (COFs) are a class of crystalline porous net…
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Role of the Support in Gold-Containing Nanoparticles as Heterogeneous Catalysts Open
In this review, we discuss selected examples from recent literature on the role of the support on directing the nanostructures of Au-based monometallic and bimetallic nanoparticles. The role of support is then discussed in relation to the …
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In Situ/Operando Techniques for Characterization of Single-Atom Catalysts Open
In situ/operando characterization techniques are powerful to provide fundamental information about molecular structure-activity/selectivity relationships for various catalytic systems under controlled condition. However, the lack of model …
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The physical chemistry and materials science behind sinter-resistant catalysts Open
This tutorial review highlights recent progress in understanding the physical chemistry and materials science for developing sinter-resistant catalytic systems.
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Microkinetic Modeling: A Tool for Rational Catalyst Design Open
The design of heterogeneous catalysts relies on understanding the fundamental surface kinetics that controls catalyst performance, and microkinetic modeling is a tool that can help the researcher in streamlining the process of catalyst des…
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Catalysis by Design: Well-Defined Single-Site Heterogeneous Catalysts Open
Heterogeneous catalysis, a field important industrially and scientifically, is increasingly seeking and refining strategies to render itself more predictable. The main issue is due to the nature and the population of catalytically active s…
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Theoretical Heterogeneous Catalysis: Scaling Relationships and Computational Catalyst Design Open
Scaling relationships are theoretical constructs that relate the binding energies of a wide variety of catalytic intermediates across a range of catalyst surfaces. Such relationships are ultimately derived from bond order conservation prin…
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Computational Methods in Heterogeneous Catalysis Open
The unprecedented ability of computations to probe atomic-level details of catalytic systems holds immense promise for the fundamentals-based bottom-up design of novel heterogeneous catalysts, which are at the heart of the chemical and ene…
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Synergy of Single-Atom Ni<sub>1</sub> and Ru<sub>1</sub> Sites on CeO<sub>2</sub> for Dry Reforming of CH<sub>4</sub> Open
Heterogeneous catalysis performs on specific sites of a catalyst surface even if specific sites of many catalysts during catalysis could not be identified readily. Design of a catalyst by managing catalytic sites on an atomic scale is sign…
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State of the Art of Catalysts for Biodiesel Production Open
Biodiesel is one of the potential alternative energy sources that can be derived from renewable and low-grade origin through different processes. One of the processes is alcoholysis or transesterification in the presence of a suitable cata…
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Single-atom catalyst: a rising star for green synthesis of fine chemicals Open
The green synthesis of fine chemicals calls for a new generation of efficient and robust catalysts. Single-atom catalysts (SACs), in which all metal species are atomically dispersed on a solid support, and which often consist of well-defin…
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Recent Progress in Metal‐Free Covalent Organic Frameworks as Heterogeneous Catalysts Open
Covalent organic frameworks (COFs), connecting different organic units into one system through covalent bonds, are crystalline organic porous materials with 2D or 3D networks. Compared with conventional porous materials such as inorganic z…
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Designing Sites in Heterogeneous Catalysis: Are We Reaching Selectivities Competitive With Those of Homogeneous Catalysts? Open
A critical review of different prominent nanotechnologies adapted to catalysis is provided, with focus on how they contribute to the improvement of selectivity in heterogeneous catalysis. Ways to modify catalytic sites range from the use o…
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Machine Learning for Computational Heterogeneous Catalysis Open
Big data and artificial intelligence has revolutionized science in almost every field – from economics to physics. In the area of materials science and computational heterogeneous catalysis, this revolution has led to the development of sc…
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Sintering-Resistant Single-Site Nickel Catalyst Supported by Metal–Organic Framework Open
Developing supported single-site catalysts is an important goal in heterogeneous catalysis since the well-defined active sites afford opportunities for detailed mechanistic studies, thereby facilitating the design of improved catalysts. We…
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A Fully Noble Metal-Free Photosystem Based on Cobalt-Polyoxometalates Immobilized in a Porphyrinic Metal–Organic Framework for Water Oxidation Open
The sandwich-type polyoxometalate (POM) [(PW9O34)2Co4(H2O)2]10- was immobilized in the hexagonal channels of the Zr(IV) porphyrinic MOF-545 hybrid framework. The resulting composite was fully characterized by a panel of physicochemical tec…
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Catalysis Enabled by Plasma Activation of Strong Chemical Bonds: A Review Open
Nonthermal plasma-driven catalysis is an emerging subfield of heterogeneous catalysis that is particularly promising for the chemical transformation of hard-to-activate molecules (e.g., N2, CO2, CH4). In this Review, we illustrate this pro…
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Size Dependence of Pt Catalysts for Propane Dehydrogenation: from Atomically Dispersed to Nanoparticles Open
The structure–performance relationship is a critical fundamental issue in heterogeneous catalysis, and the size-dependent structure sensitivity of catalytic reactions has long been researched in catalysis. Yet it remains elusive for most o…
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Homogeneous and heterogeneous catalysts for hydrogenation of CO<sub>2</sub> to methanol under mild conditions Open
This review summarizes the concepts, mechanisms, drawbacks and challenges of the state-of-the-art catalysis for CO2 to MeOH under mild conditions. Thoughtful guidelines and principles for future research are presented and discussed.
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Recovery/Reuse of Heterogeneous Supported Spent Catalysts Open
The rapid separation and efficient recycling of catalysts after a catalytic reaction are considered important requirements along with the high catalytic performances. In this view, although heterogeneous catalysis is generally less efficie…