Catalysts, Volume 7, Issue 1

The development of new solid supports for palladium has received a lot of interest lately. These catalysts have been tested in a range of cross-coupling reactions, such as Suzuki–Miyaura, Mizoroki-Heck, and Sonogashira cross-coupling reactions, with...

Currently, and looking forward, there is an ever increasing demand to perform chemical transformations with optimized atom and energy efficiency [...]

Herein, MoS₂/TiO₂ nanobelts heterojunction have been successfully synthesized by in situ growth method for photocatalytic reduction of Cr(VI). TiO₂ nanobelts (NBs) with rough surface were prepared firstly by acidic treatment process, which is benefic...

The future of analytical devices, namely (bio)sensors, which are currently impacting our everyday life, relies on several metrics such as low cost, high sensitivity, good selectivity, rapid response, real-time monitoring, high-throughput, easy-to-mak...

Nickel-containing hydrotalcite-derived materials have been recently proposed as promising materials for methane dry reforming (DRM). Based on a literature review and on the experience of the authors, this review focuses on presenting past and recent...

A new and highly efficient method mediated by tetrakis(acetonitrile)copper(I) triflate for activating both simple and highly hindered anhydrides in the acylation of alcohols and polyols is described. This new acylation method is mild and mostly proce...

In situ knowledge of the gas phase around a catalyst is essential to make an accurate correlation between the catalytic activity and surface structure in operando studies. Although ambient pressure X-ray photoelectron spectroscopy (AP-XPS) can provid...

This study investigates the activity of transition and alkaline-earth metal-doped catalysts supported on ceria or zirconia for the NO_x-assisted oxidation of diesel particulate. A series of Cu- and Fe-impregnated catalysts over CeO₂ and ZrO₂ supports...

The steam reforming of ethanol (SRE) on a bimetallic RhPt/CeO₂ catalyst was evaluated by the integration of Response Surface Methodology (RSM) and Aspen Plus (version 9.0, Aspen Tech, Burlington, MA, USA, 2016). First, the effect of the Rh–Pt weight...

This article presents a novel route for crosslinking a polysaccharide and polysaccharide/protein shell coated on magnetic nanoparticles (MNPs) surface via condensation reaction with squaric acid (SqA). The syntheses of four new types of collagen-, ch...

The synthesis of new vicinal diamines based on aziridine and azetidine cores as well as the comparison of their catalytic activities as ligand in the Suzuki-Miyaura coupling reaction are described in this communication. The synthesis of three- and fo...

Two original series of carbon gels doped with different cobalt loadings and well-developed mesoporosity, aerogels and xerogels, have been prepared, exhaustively characterized, and tested as cathodes for the electro-catalytic reduction of CO₂ to hydro...

Highly-dispersed Ru nanoparticles were grown on graphene nanosheets by simultaneously reducing graphene oxide and Ru ions using ethylene glycol (EG), and the resultant Ru/graphene nanocomposites were applied as a catalyst to ammonia decomposition for...

The editors of Catalysts would like to express their sincere gratitude to the following reviewers for assessing manuscripts in 2016.[...]

Four pyridinyl alcohols and the corresponding hemilabile pyridinyl alcoholato ruthenium carbene complexes of the Grubbs second generation-type RuCl(H₂IMes)(O^N)(=CHPh), where O^N = 1-(2′-pyridinyl)-1,1-diphenyl methanolato, 1-(2′-pyridinyl)-1-(2′-chl...

Ammonium hexachlororuthenate ((NH₄)₂RuCl₆) complex was used as a catalyst precursor and coconut activated carbon (AC) was used as the support in the preparation process of the Ru-based catalyst. (NH₄)₂RuCl₆/AC catalyst was prepared via an incipient w...

In this study, we prepared core-shell structured Ni@SiO₂ catalysts using chemical precipitation and modified Stöber methods. The obtained Ni@SiO₂ samples exhibited excellent catalysis performances, including high CO conversion of 99.0% and CH₄ yield...

Suzuki-Miyaura coupling reaction catalyzed by the palladium (Pd)-based nanomaterials is one of the most versatile methods for the preparation of biaryls. However, use of organic solvents as reaction medium causes a big threat to environment due to th...

High temperature polymer electrolyte membrane fuel cells (HT-PEMFCs) are being studied due to a number of benefits offered versus their low temperature counterparts, including co-generation of heat and power, high tolerance to fuel impurities, and si...

Two-dimensional transition metal dichalcogenides, such as tungsten disulfide (WS₂), have been actively studied as suitable candidates for photocatalysts due to their unique structural and electronic properties. The presence of active sites at the edg...

This work presented a novel core-shell MnO₂@m-SiO₂ for catalyzing the removal of dyes from wastewater. MnO₂ nanorods were sequentially coated with polydopamine (PDA) and polyethyleneimine (PEI) forming MnO₂@PDA-PEI. By taking advantage of the positiv...

The establishment of a bioeconomy era requires not only a change of production pattern, but also a deep modernization of the production processes through the implementation of novel methodologies in current industrial units, where waste materials and...

A series of Mg- and/or Ce-doped Co₃O₄ (Mg_xCo_1−xCo₂O₄ Ce_xCo_1−xCo₂O₄, Mg_xCe_yCo_1−x−yCo₂O₄) composite spinel metal-oxide catalyst was prepared by a coprecipitation method and evaluated for N₂O direct decomposition. The activity measurement results sugges...

One of the fundamental issues in catalysis is to identify the catalytic active site. Due to its prominent pore topology and acidity, ferrierite (FER) zeolite has attracted extensive interest in various catalytic reactions such as isomerization of but...

A survey of the electrochemical properties of homoscorpionate tris(pyrazol-1-yl)methane complexes is presented. The relationship between structural features and catalytic efficiency toward the oxidative functionalization of inexpensive and abundant r...

Photoelectrochemical (PEC) water splitting, which is a type of artificial photosynthesis, is a sustainable way of converting solar energy into chemical energy. The water oxidation half-reaction has always represented the bottleneck of this process be...

A study was conducted of the possible use of a silica-lignin hybrid as a novel support for the immobilization of lipase B from Candida antarctica. Results obtained by elemental analysis, Fourier transform infrared spectroscopy (FTIR), X-ray photoelec...

The CO-tolerance mechanism of a carbon-supported Pt-Fe alloy catalyst with two atomic layers of stabilized Pt-skin (Pt_2AL–PtFe/C) was investigated, in comparison with commercial Pt₂Ru₃/C (c-Pt₂Ru₃/C), by in situ attenuated total reflection Fourier tr...

Ruthenium incorporated titanium oxides (Ru_xTiO₂) were prepared by a one-step hydrothermal method using Ti(SO₄)₂ and RuCl₃ as the precursor of Ti and Ru, respectively. X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), transmission elect...

The reaction mechanisms for the reduction of carbon dioxide to formaldehyde catalyzed by bis(tricyclopentylphosphine) metal complexes, [RuH₂(H₂)(PCyp₃)₂] (1_Ru), [FeH₂(H₂)(PCyp₃)₂] (1_Fe) and [OsH₄(PCyp₃)₂] (1_Os), were studied computationally by using...

In this work, structural and morphological properties of SiO₂–C composite material to be used as support for catalysts in the conversion of biomass-derived oxygenated hydrocarbons, such as glycerol, were investigated in liquid water under various tem...

Magnetic core/shell nanospheres (MCS) were synthesized by a novel and facile one-step hydrothermal method. Supported manganese oxide nanoparticles (Fe₃O₄/C/Mn) were obtained from various methods (including redox, hydrothermal and impregnation) using...

Protein digestion by trypsin has been widely used in many industrial and research applications. However, extensive use of trypsin is limited because of the rapid decrease in enzymatic activity caused by autolysis at optimal pH and temperature. To imp...

The importance of epoxides as synthetic intermediates in a number of highly added-value chemicals, as well as the search for novel and more sustainable chemical processes have brought considerable attention to the catalytic activity of manganese and...

Graphene family materials, including graphene quantum dots (GQDs), graphene nanoribbons (GNRs) and 3D graphene (3D-G), have attracted much research interest for the oxygen reduction reaction (ORR) in fuel cells and metal-air batteries, due to their u...