Showing papers in "Journal of Catalysis in 2021"

TL;DR: In this article, a methanol-mediated steam delaminating strategy is demonstrated to fabricate distorted polymeric carbon nitride nanosheets (d-PCN-NSs) with activated n-π* electron transition and favorite textural properties.

TL;DR: In this paper, a small amount of Pt Methanol selectivity can be increased from 722% (In2O3) to 911% (058 ¼wt% Pt/In 2O3), at 220°C.

TL;DR: The surface area normalized activity of platinum-ruthenium (PtxRuy/C) catalysts of different compositions for electrocatalytic nitrate reduction, chosen based on screening using a computational activity volcano plot was reported in this article.

TL;DR: In this paper, a small amount of Cu (molar fraction) was added to the catalysts in order to improve the methanol selectivity and long-term stability.

TL;DR: A survey of surface reactive oxygen species on oxide materials, which moving on from the Che's pioneering works includes noteworthy results obtained during the years by other researchers, is provided in this article, where the relationship between the thermodynamic and kinetic Bronsted basicity of low coordinated O2−Lc anions is discussed, on the basis of Che's fundamental studies and on recent developments.

TL;DR: In this paper, several Pd catalysts supported on CeO2 with different morphologies were tested for the CO2 hydrogenation into formate, and the best performance was obtained over the Pd/p-CeO2 catalyst, giving a turnover frequency of 746h−1 at 40

TL;DR: In this paper, a reduced TiO2 with rich oxygen vacancies on which to load Pd for catalytic oxidation of formaldehyde (HCHO) at room temperature was developed, which remarkably induced an electronic metal-support interaction by transferring electrons from the support to Pd to form negatively charged Pd nanoparticles, facilitating the oxygen association.

TL;DR: In this article, the authors report a strategy for controllable fabrication of hierarchical Co3O4 materials with various morphologies (ellipsoidal, flowerlike, book-shaped, spindlelike) and study their catalytic properties in propane oxidation.

TL;DR: In this article, a series of cobalt-doped MnFeOx ternary mixed oxides catalysts with a hierarchically ordered structure (Hierc-MnFe1-δCoδOx, δ ǫ = 0.2, 0.4 and 0.6) were developed and applied for NH3-SCR of NOx at low temperature.

TL;DR: In this paper, the MOF of Co(BDC) is employed to bridge the heterogeneous CdS photosensitizer and molecular co-catalyst [Co(bpy)3]2+ for promoting photocatalytic CO2 reduction reactions (CO2RR), resulting in a remarkable CO yield rate of 22μmolh−1 and selectivity of 925% with an apparent quantum yield about 07% at λ = 420nm.

TL;DR: In this article, three types of model Ce2(SO4)3-CeO2 catalysts with distinct interfaces are constructed to reveal the effect of acid-redox interaction on NH3-SCR performance.

TL;DR: In this article, a Na- and Zn-promoted iron catalyst composed of Na+, ZnO and χ-Fe5C2 was proposed for the hydrogenation of CO2 and CO into C2+ olefins.

TL;DR: In this article, the structural complexity at the scale of overall microstructure of high temperature treated transition aluminas is examined, and the challenges and recent progress in quantification of the structure at ensemble level are discussed.

TL;DR: In this article, a hierarchical porous bowl-like nitrogen-doped carbon supported AuPd bimetallic (AuPd/pBNxC) nanoreactors were synthesized by the following steps: precipitation polymerization, carbonization, SiO2 sphere removal, and sol curing.

TL;DR: In this article, the shape selectivity of cavity-type zeolites and molecular sieve catalysts for the methanol-to-olefins (MTO) reaction are elaborated.

TL;DR: In this paper, the synthesis and electrocatalytic activity of FexNi100−x electrochemically deposited films were investigated for the hydrogen evolution reaction (HER) in alkaline media.

TL;DR: In this paper, a series of uniform K-containing spinel-type ZnCoxFe2-xO4 nanoparticles were successfully synthesized via a single source layered double hydroxide precursor route.

TL;DR: In this paper, the authors investigated the potential of zero charge and potential-dependent kinetics of O-O bond cleavage in dual-metal-nitrogen-carbon (DM-N-C) catalysts.

TL;DR: Li et al. as discussed by the authors demonstrate that the immobilization of ultrafine nickel disulfide (NiS2) nanoparticles on CdS nanosheets is a simple yet efficient approach to kinetic improve the surface redox reactions for H2 production and dehydrogenative coupling of amines to imines.

TL;DR: In this article, a review of recent strategies to enhance the catalytic properties of cobalt-based compounds for electrochemical water splitting are discussed comprehensively and the associated hydrogen evolution reaction (HER) and OER mechanisms are described.

TL;DR: In this paper, the authors examined the sulfur and coking tolerance of Ni-based dry reforming catalysts and found that Ni is able to tolerate up to 20ppm of sulfur in the feed.

TL;DR: In this article, a single atom formed a Ni-N4 site in a double vacancy of curved N-doped graphene, and the mechanism of the reaction involved the formation of formate through participation of the Ni and N atoms.

TL;DR: In this paper, the authors synthesized lead-free all-inorganic Cs2AgBiBr6 double perovskite nanocrystals adopting a facile hot injection approach.

TL;DR: In this paper, a facile mechanochemical ball milling can in-situ incorporate Ni to MgO surface generating a stable Mg-Ni-O structure, which can promote the activation of H2 and CO2 molecules.

TL;DR: In this article, it was shown that the Sn-Beta zeolite with Lewis acid sites can activate the C-H bond, and exhibits high catalytic performance in the propane dehydrogenation (PDH) process.

TL;DR: In this paper, heterogenous non-noble metal molybdenum(III) phosphide (MoP) catalysts were anchored onto MoO 3−x nanowires via a facile phosphorization method using various amounts of phosphorus precursor.

TL;DR: In this article, a facile synthesis method that stabilizes atomic Pd species on the reduced graphene oxide/N-doped carbon hollow carbon nanospheres (Pd1/n-C) was reported.

TL;DR: In this paper, Ba0.5Fe1−xSbxO3−δ (BSFSb, x = 0, 0.05, and 0.1) cathodes were designed from both theoretical and experimental aspects to study a good relationship between a material property and enhanced ORR activity.

TL;DR: In this paper, the authors demonstrate the synthesis of ammonia via atmospheric dielectric barrier discharge (DBD) plasma over nickel nanoparticles supported on silica and demonstrate that the smallest nanoparticle size sample resulted in an ammonia synthesis rate at least 2 times higher than that of the larger nanoparticle sample and nickel bulk at equimolar composition.