Showing papers in "Molecular Catalysis in 2021"

TL;DR: In this paper, a series of Pd supported on UiO-66 catalysts were prepared by ethylene glycol reduction and the supported 0.5 wt% Pd was used to investigate the influence of pretreatment conditions.

TL;DR: In this article, the authors showed that the preparation method had a great influence on the physicochemical properties of the supported Ag catalysts and attributed the better catalytic performance to the better reducibility, more active oxygen species and oxygen vacancies, higher molar ratio of Oads/Olat, Ce3+/Ce4+ and Ag0/Agδ+.

TL;DR: In this paper, the effects of various upgrading reaction conditions (temperature, H2 pressure, solvents, residence time, and catalyst) of real bio-oil and its mode compounds are thoroughly reviewed.

TL;DR: In this paper, a modified sol-gel method was used to synthesize perovskite titanate-based nanostructures using different amounts of reduced graphene oxide (rGO) to yield PbTiO3@rGO nanocomposite.

TL;DR: A facile iron-catalyzed selenocyclization of N-methoxy-2-alkynylbenzamides enabled by visible-light irradiation is described in this article.

TL;DR: The performance of the nickel catalyst depends on different factors including the type of catalyst support and promoter, reaction temperature, reaction pressure, and reaction time, and recent progress and future trends in green diesel production are discussed in this article.

TL;DR: In this article, a review of the most versatile Cu(I) catalyzed catalyzed azide-alkyne cycloaddition (CuAAC) complexes has been presented, focusing on those versatile Cu (I) complexes having tailoring capability similar to those available commercially.

TL;DR: A comprehensive overview of the broad catalytic activities of PBA-based materials in diverse applications is presented in this article, where the fundamental catalytic properties of PB-based catalysts are comprehensively reviewed and systematically discussed.

TL;DR: Li et al. as mentioned in this paper used a simple physical stirring method to fix Ni2P in the 3D layered double hydroxide NiAl-LDH layer to obtain a new type of NNP S-scheme heterojunction catalyst, which can directionally change the transfer path of electric charges and improve the effective utilization of electrons.

TL;DR: In this paper, the authors provide up-to-date information about the preparation of levulinic esters using HPA-based catalysts, critically analyze the literature cited, draw conclusions, and propose future prospects.

TL;DR: In this paper, the synthesis strategies of metal organic framework materials and their derivatives for methanol oxidation reaction are discussed and the electrocatalytic reactivity in correlation with the structure and surface properties of the framework materials are addressed in detail.

TL;DR: In this article, a 0D/0D CdxZn1-xS/Co9S8 binary composite was designed with an S-scheme heterojunction via a simple hydrothermal method.

TL;DR: In this paper, a core/shell nanosphere catalyst (Fe3O4@C-NHCS-Au0) was successfully synthesized with a movable magnetite core encapsulated in a carbon shell.

TL;DR: In this paper, the structural and physicochemical properties of the catalysts were investigated using BET, XRD, H2-TPR, FT-IR, and NH3-TPD.

TL;DR: In this paper, the photo-catalytic fixation of CO2 over epoxides for the formation of corresponding cyclic carbonates using a mesoporous Covalent Organic Framework (COF) which acts as a potential photocatalyst with TBAB (Tetrabutyl ammonium bromide), 5 mol% as the co-catalyst under atmospheric pressure in visible light.

TL;DR: Based on the furfural production process, this article reviewed the conversion mechanism of hemicellulose, xylan and xylose and the role of Bronsted acid and Lewis acid in the reaction system.

TL;DR: In this article, the fabrication methods and preparation of tetrazole-based compounds and their utilizations in environmental, catalytic, and energetic applications are discussed with an emphasis on its performance, reusability and stability and environmental concerns such as treatment of wastewater and water.

TL;DR: A series of layer double metal oxides (LDO) from CuMgAl hydrotalcite precursors were prepared by urea decomposition under different calcination temperatures in this paper.

TL;DR: In this article, the preparation of Ni/CeO2 catalysts derived from Ce-MOF precursor by impregnation or one-pot method and their application in carbon dioxide methanation was described.

TL;DR: In this article, a comprehensive report has been presented on the recent developments of CdS and its hybrid with focus on photo and electrocatalytic applications, including low cost and green water splitting for H2 generation, wastewater treatment by degradation of organics toxins e.g., Cr (VI), Rhodamine B, Methylene blue (MB), Methyl orange etc.

TL;DR: In this paper, an efficient strategy for CO2 fixation into cyclic carbonates catalyzed by hydroxyl-functionalized protic ionic liquids (PILs) without any solvent and additive is reported.

TL;DR: In this paper, a bimetallic metal organic framework (MOF)-templated strategy (termed Cu-ZnOMOF⊂Al2O3) was proposed for CO2 hydrogenation to methanol.

TL;DR: In this article, a vaterite with spherical morphology and a porous surface texture was used as the inert solid support for silver nanoparticles to form a composite material that was eventually utilized as a catalyst for the reduction of 4-Nitrophenol.

TL;DR: UiO-66(Ce) metal-organic framework was synthesized by solvothermal method and thoroughly characterized by powder X-ray diffraction (XRD), Fourier transform infrared (FT-IR), Raman, UV-vis diffuse reflectance spectra (UV-DRS) and scanning electron microscope (SEM) techniques to confirm its formation as discussed by the authors.

TL;DR: In this article, a range of SAPO-34 supported zirconium phosphate (ZPS-X) catalysts were prepared for a facile one-pot conversion of furfural (FF) to GVL through a series of cascaded reactions involving transfer hydrogenation, etherification, alcoholysis and esterification.

TL;DR: In this paper, a nano MgO/CP nanocomposite was applied in the transesterification of used corn oil and palm oil and achieved promising activity and achieved biodiesel yield of 94 % from corn oil after 120'min using 4'wt., % of it as catalyst load and 15:1 as methanol-to-oil ratio at 60'°C and stirring speed of 1250'rpm.

TL;DR: A series of CoxCe1-xO2-δ (x = 0.05−0.6) oxides were synthesized through non-ionic surfactant hydrothermal method and applied for catalytic toluene oxidation as discussed by the authors.

TL;DR: In this article, a TpBpy-supported Cu(I) catalyst was developed for the conversion of CO2 and terminal alkynes to propiolic acids under relatively mild conditions (1 atm CO2, 60 ℃).

TL;DR: In this article, a new copper supported activated red mud as a heterogeneous catalyst for oxidative conversion of benzene to phenol is reported, which is simple and efficient for one-pot hydroxylation reaction using H2O2 as an oxidant.

TL;DR: In this paper, a highly active site of C60-SWCNT is identified (named as site-2), where the oxygen reduction and oxygen evolution can be completed through the four-electron reaction pathway and corresponding overpotentials are 0.58 V and 0.62 V, respectively.