Showing papers in "Catalysis Science & Technology in 2015"

TL;DR: In this paper, the authors describe the barrier, progress and future direction of research on the correlation of the chemical constituent, size, dimensionality, architecture, crystal structure, microstructure and electronic band structure of photocatalysts (or photoelectrodes) with five vital processes including light absorption, charge separation, migration and recombination as well as surface redox reactions.

TL;DR: In this article, a review of the development of supported noble metal and metal oxide catalysts for catalytic oxidation of VOCs is presented, and the specific mechanism that leads to superior catalytic activity towards low temperature VOC oxidation was discussed too.

TL;DR: In this article, the catalytic performance of MnO2 catalysts with different crystal structures was investigated and it was shown that the tunnel structure and active lattice oxygen species are the main factors that contribute to the excellent performance of δ-MnO2.

TL;DR: In this article, a stable and selective electrochemical reduction of carbon dioxide to ethylene was achieved using copper mesocrystal catalysts in 0.1 M KHCO3 using high resolution transmission electron microscopy.

TL;DR: In this article, a review revealed the strong potential of nanosilver catalysis in the total synthesis of natural products and pharmaceutical molecules, and the application of heterogeneous silver-based nanoparticles to general organic reactions has been proven to be an effective strategy in the development of highly efficient organic transformations in terms of efficiency and selectivity.

TL;DR: In this paper, the authors reviewed the mechanism focusing on how Schottky barrier and SPR phenomena help to improve a photoreaction, as well as the paradox between the SBS and SPR in the matter of the direction of electron flow in the metal/semiconductor system.

TL;DR: In this article, the authors studied catalytic CO2 hydrogenation on Ni/SiO2 catalysts with particular focus on the production of CO and CH4, and proposed the sites corresponding to kink, corner or step positions on the Ni surface.

TL;DR: The Guerbet condensation reaction is an alcohol coupling reaction that has been known for more than a century as mentioned in this paper, and because of the increasing availability of bio-based alcohol feedstock, this reaction is of growing importance and interest in terms of value chains of renewable chemical and biofuel production.

TL;DR: In this paper, the authors provide a comprehensive and contemporary overview of the development of new generation TiO2-based photocatalysts via structural design for improved solar energy conversion technologies.

TL;DR: In this article, the authors introduce the preparation and special properties of newly developed enzyme-inorganic crystal composites and summarized the preparation methods as physical adsorption, covalent conjugation and self-assembly.

TL;DR: In this paper, a review summarizes recent examples of hydrogen transfer-type reactions using supported transition metal catalysts with special emphasis on the direct synthesis of chemicals by borrowing hydrogen methodology, and the highlighted reactions are: (1) transfer hydrogenation of carbonyl compounds, (2) transfer dehydrogenation of alcohols, (3) N-alkylation of amines or NH3 with alcohols.

TL;DR: A review of the progress in the past decade in the development of synthetic methodologies in which carbonylation reactions are carried out without the use of gaseous carbon monoxide or using CO surrogates can be found in this article.

TL;DR: In this paper, the authors summarized the latest research works on g-C3N4 based photocatalytic systems during the last three years with emphasis on the progress achieved in enhancing the hydrogen evolution activity by loading noble metal free co-catalysts.

TL;DR: In this paper, the backbones of open framework materials without losing their properties were incorporated with metal ions, and the body-centered cubic crystal lattice of the parent ZIF-8 framework was continuously maintained, regardless of the doping percentage.

TL;DR: In this paper, a review of low-temperature selective catalytic reduction of NOx with NH3 (NH3-SCR) catalysts for both stationary sources and diesel engines is presented.

TL;DR: In this article, non-noble bimetallic CuCo alloy nanoparticles (NPs) were successfully encapsulated in the pores of MIL-101 by using the double-solvent method combined with the overwhelming reduction approach.

TL;DR: In this paper, the role of the metal dopant in modifying the strength of sulfur binding on the edge was determined, which determined hydrogen binding onto sulfur atoms on the edges through a negative linear scaling.

TL;DR: In this article, the authors summarize the progress in the study of CO oxidation over Pd-based catalysts and discuss the influencing factors and future challenges and opportunities in the field of heterogeneous catalysis.

TL;DR: In this article, the main source of error is associated with the CO bonds and not the typically energy corrected OCO backbone, which has broad applications for error correction in DFT calculations in general.

TL;DR: In this paper, the performance of catalysts with different mean copper particle sizes was studied in methanol synthesis reaction from CO2 and H2 at temperatures between 160 and 225 °C and a pressure of 7 bar.

TL;DR: In this paper, some of the recent advancements completed in the development of (chiral) metal-free and late-transition metal catalysts for the inter-and intramolecular hydroamination of unactivated alkenes, including allenes, 1,3-dienes, and strained alkens, are discussed.

TL;DR: In this paper, the Ni3Se2/CF was used as a bifunctional catalyst for both hydrogen evolution reaction (HER) and oxygen evolution reaction with good durability at alkaline media.

TL;DR: In this paper, an earth abundant Fe-containing MOF material, NH2-MIL-101(Fe), can catalyze efficiently the one-pot reaction between aromatic alcohols and active methylene compounds via a tandem photo-oxidation/Knoevenagel condensation under visible light and at room temperature.

TL;DR: In this paper, the physicochemical properties were characterized by TG-DSC, XRD, TEM, N2 adsorption, Raman, XPS, H2-TPR, CO-TPD, and DRIFTS.

TL;DR: This paper has reviewed the recent progress on BiPO4, specifically on the efforts from the author's group, including the preparation as well as the modification methods involved in activity enhancement, and described the physical properties and typical degradation pathways of the photocatalyst.

TL;DR: In this paper, a review of monoclinic zirconia, its surface sites and their probing with carbon monoxide is presented, and the modifications of the surface sites using thermal treatments with vacuum or reactive gases are also included.

TL;DR: In this article, the photocatalytic and antibacterial activities of α-Ag2WO4 crystals were explained using first-principles quantum mechanical calculations based on the density functional theory.

TL;DR: In this article, the relationship between catalytic performance and catalyst properties was elucidated by characterization based on the composition and the structural and surface properties, and catalytic tests were performed.

TL;DR: Graphene, a two dimensional (2D) material bearing a single layer of an sp2 carbon atom network densely packed in a honeycomb structure, has attracted worldwide attention since its first experimental isolation in 2004 as mentioned in this paper.

TL;DR: In this article, five SiO2-MgO catalysts, prepared by wet-kneading and co-precipitation methods, were thoroughly characterized and the amount and strength of the acidic (pyridine-IR) and basic (CDCl3-IR and CO2-TPD) sites as well as the overall acid/base properties in the liquid phase (Hammett indicators) were determined.