Showing papers in "Catalysis Science & Technology in 2016"

TL;DR: In this article, the use of formic acid as a reversible source for hydrogen storage is discussed, where the authors focus on recent developments in this direction, which will likely give access to a variety of low-cost and highly efficient rechargeable hydrogen fuel cells within the next few years by using suitable homogeneous metal complex/heterogeneous metal nanoparticle-based catalysts under ambient reaction conditions.

TL;DR: In this paper, the authors report the preparation and characterization of three crystalline nickel sulfides (NiS, NiS2, and Ni3S2), with comparable crystal sizes and specific surface areas.

TL;DR: In this paper, a comprehensive survey on the metal-based photocatalysts, including metal-free graphitic carbon nitride (g-C3N4), a novel visible-light photocatalyst is presented.

TL;DR: In this paper, the authors characterize the methanation processes into two categories: (1) associative scheme, in which hydrogen atoms are involved in the C-O bond breaking process, and (2) dissociative schemes, where C−O bond-breaking takes place before hydrogenation.

TL;DR: In this article, the authors summarized the recent advances in the application of ceria-based catalysts for low-temperature selective catalytic reduction of NO with NH3 (NH3-SCR) operated at low temperatures.

TL;DR: In this paper, three kinds of Co3O4 catalysts with different concentrations of surface oxygen vacancies were successfully synthesized through a solvothermal and subsequent thermolysis method, and they exhibited the best performance for formaldehyde oxidation due to their larger specific surface area, higher low-temperature reducibility and abundant active surface oxygen species.

TL;DR: In this paper, the role of solvents in catalysis is considered from a mechanistic approach and they focus mainly on hydrogenation reactions and cross-coupling reactions.

TL;DR: In this article, the fabrication methods for nitrogen-doped porous carbon (NPC) materials used in heterogeneous hydrogenation and oxidations and highlight the intrinsic catalytic mechanisms along with the catalyst design strategies.

TL;DR: In this paper, the authors reviewed the progress in the direct synthesis of H2O2 from H2 and O2 by noble-metal catalyst, fuel cell and plasma methods.

TL;DR: In this paper, the state-of-the-art progresses in the application of heterogeneous visible-light photocatalysis in organic synthesis through four sections: oxidation of alcohols, oxidation of amines, carbon-carbon bond formation reactions, and carbon-hetero bond formation reaction.

TL;DR: In this article, the reported catalytic materials for room-temperature catalytic oxidative decomposition of HCHO are discussed and the mechanism of this catalytic process, the surface chemistry and structure factors influencing catalytic performances, existing challenges in the development of catalysts with low cost and high activity and perspectives for important topics of future research in this area were reviewed.

TL;DR: In this article, a review of the use of mixed metal or mixed linker strategies to increase the activity of metal organic frameworks (MOFs) in some selected reactions is presented.

TL;DR: In this paper, a series of Fe3O4-based nanocatalysts with different residual sodium contents were prepared by a simple one-pot synthesis method, and the effects of residual sodium on the physico-chemical properties and catalytic performance for CO2 hydrogenation of the catalysts were investigated.

TL;DR: In this article, the effect of morphology of α-MnO2 nanostructures on its catalytic activity for ozone decomposition was investigated, and it was found that the catalytic performance of the α-mnO2 is dependent on the amount of oxygen vacancies.

TL;DR: The recent progress in the regioselectivity control now allows the synthesis of a wide variety of complex molecules using only a few steps, and will certainly provide simpler access to new heteroaryl derivatives in the next years.

TL;DR: In this article, the authors present an overview of results from catalytic testing of various 2D zeolites especially in comparison to their conventional 3D counterparts. But the results are limited to catalytic applications.

TL;DR: In this article, the authors provide an overview of the methods developed in recent years to synthesize furfuran and HMF from carbohydrates by using the "one-pot" strategy and discuss major challenges involved in the large scale production of furfural and 5-hydroxymethylfurfural.

TL;DR: This minireview summarizes the recent developments in this field using chiral bifunctional amine-thiourea and isine-squaramide organocatalysts.

TL;DR: In this paper, the authors reported the enhancement of visible-light photocatalytic H2 production activity by introducing various earth-abundant cobalt species onto CdS nanorods to facilitate charge transport and separation.

TL;DR: A SiO2-supported Fe and Ni bimetallic catalyst has been synthesized, characterized and, for the first time, tested as a heterogeneous photo-Fenton catalyst for the degradation and mineralization of methylene blue (MB) dye as discussed by the authors.

TL;DR: In this article, the performance of Ni/CeO2 in methane dry reforming was investigated and it was shown that Ni species can be incorporated into the lattices and induce the increase of oxygen vacancies by occupying the vacant sites in the CeO2 nanomaterials.

TL;DR: In this article, a novel ternary metal sulfide photocatalyst Zn0.1Sn0.8S with outstanding nitrogen photofixation ability under visible light was reported.

TL;DR: In this paper, the authors summarize relevant applications and limitations of metal-supported carbons and nanocarbons in the synthesis of valuable products and the recent advances in this field.

TL;DR: In this article, a new solar-light-active noble-metal-free catalyst featuring dandelion-flower-like cobalt-phosphide embedded with CdS nanostructures grown on reduced graphene oxide (RGO)-MoS2 nanosheets was designed, and its photocatalytic hydrogen production activity was evaluated in water under simulated sunlight irradiation using lactic acid as a sacrificial reagent.

TL;DR: In this article, a La-promoted Ni/SBA-15 catalyst has been used in the CO2 reforming of methane (DRM) reaction, and the reaction mechanism was then proposed and kinetic modeling was performed to find the rate-determining step (RDS) in the DRM reaction for this 1% La-Promoted Ni-SBA15 catalyst, with an apparent activation energy of around 40.8 kJ mol−1.

TL;DR: In this article, the authors present a review of various reliable heterogeneous methods, alternative to the commonly used Meldal-Sharpless method for click chemistry, including those involving flow chemistry, and that they could be applied to a variety of compounds, solving some problems faced by more conventional methods.

TL;DR: In this article, a series of MnOx/CeO2 (MnO2), MnO2/ZrO2(MnZr0.75Zr 0.25O2) and MnO 2/CZ catalysts were tested for their ability to catalyse the oxidation of Hg0 at relatively low temperature (423 K).

TL;DR: In this article, Ni-containing hydrotalcite-derived catalysts were prepared using different Ni loadings (from ca. 4 to 60 wt%) at the same MII/MIII ratio equal to 3.

TL;DR: In this paper, a review of basic heterogeneous catalysts for biodiesel production is presented, focusing on the main systems being employed, their advantages and disadvantages, and the present drawbacks and future challenges.

TL;DR: In this paper, four ceria supports with different morphologies (rod, cube, plate and polyhedra) were used for CO selective oxidation in hydrogen-rich gas and characterized by various techniques.