Catalytically Active Co−Nx Species Stabilized on Nitrogen‐doped Porous Carbon for Efficient Hydrogenation and Dehydrogenation of N‐heteroarenes
Sign Up to like & getrecommendations! Published in 2020 at "ChemCatChem"
DOI: 10.1002/cctc.202000826
Abstract: The development of bifunctional, highly active and stable non‐noble‐metal catalysts is important for synthetic chemistry. In this study, a highly dispersed Co catalyst stabilized on the mesoporous N‐doped carbon layers was prepared by adsorption and… read more here.
Keywords: catalytically active; dehydrogenation; carbon; hydrogenation ... See more keywords
Insights into the Suzuki‐Miyaura Reaction Catalyzed by Novel Pd−Carbene Complexes. Are Palladium−Tetra‐ carbene Entities the Key Active Species?
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DOI: 10.1002/cctc.202001253
Abstract: The assumption that the real active species involved in the Suzuki‐Miyaura reaction are homogeneous, heterogeneous or both is often proposed. However a lack in the characterization of true catalytic entities and their monitoring makes assumptions… read more here.
Keywords: miyaura reaction; insights suzuki; carbene; reaction ... See more keywords
Densities of Active Species in R/x%(N2–5%H2) (R = Ar or He) Microwave Flowing Afterglows
Sign Up to like & getrecommendations! Published in 2019 at "Plasma Chemistry and Plasma Processing"
DOI: 10.1007/s11090-019-09992-7
Abstract: Afterglows of R/x(N2–5%H2) (R = Ar or He) flowing microwave discharges are characterized by optical emission spectroscopy. Absolute densities of N atoms and N2(A) and N2(X,v > 13) molecules and estimated densities of NH and H atoms are determined… read more here.
Keywords: densities active; microwave flowing; flowing afterglows; spectroscopy ... See more keywords
Precursor and dispersion effects of active species on the activity of Mn-Ce-Ti catalysts for NO abatement
Sign Up to like & getrecommendations! Published in 2019 at "Korean Journal of Chemical Engineering"
DOI: 10.1007/s11814-019-0410-z
Abstract: Mn-Ce-Ti catalysts were prepared by different precursors (including manganese nitrate, manganese acetate, and manganese chloride) and used for selective catalytic reduction (SCR) of NO with ammonia. The relationships among the structure, physicochemical properties, and catalytic… read more here.
Keywords: surface; precursor; spectroscopy; catalytic activity ... See more keywords
A new strategy for calibrating indicator displacement assay (IDA)-based sensor systems.
Sign Up to like & getrecommendations! Published in 2020 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2020.06.042
Abstract: A novel strategy for calibrating Indicator Displacement Assay (IDA)-based sensors is presented herein. The main idea is to replace the instrumental measurement responses by the equilibrium concentration of spectroscopically active species which can be obtained… read more here.
Keywords: calibrating indicator; indicator; strategy calibrating; ida based ... See more keywords
Tracking the chemical active species to unravel the photocatalytic activity evolution of structure modified polymeric carbon nitride
Sign Up to like & getrecommendations! Published in 2021 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2021.149099
Abstract: Abstract Herein, a series of structure modified polymeric carbon nitride (PCN) started from the same precursor were prepared by a step-by-step method. The photocatalysts show different catalytic performance in degradation of Rhodamine (RhB) and methyl… read more here.
Keywords: polymeric carbon; active species; structure modified; modified polymeric ... See more keywords
Stepwise methane to methanol conversion: Effect of copper loading on the formation of active species in copper-exchanged mordenite
Sign Up to like & getrecommendations! Published in 2021 at "Catalysis Today"
DOI: 10.1016/j.cattod.2020.11.027
Abstract: Abstract This work investigates the influences of Cu content, Si/Al ratio, and sample preparation method on the active Cu species in mordenite (MOR). The Cu/MOR prepared by multiple Cu-exchange procedures showed an optimum Cu/Al ratio… read more here.
Keywords: active species; stepwise methane; copper; formation ... See more keywords
A new active species of Pd-Nx synthesized by hard-template method for efficiently catalytic hydrogenation of nitroarenes
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2021.05.016
Abstract: Abstract A new active species of Pd-Nx has been synthesized by hard-template method using metal oxide and dicyandiamide as precursor for the hydrogenation of nitroarenes to anilines. The hydrogenation of 4-nitrophenol (4-NP) was employed as… read more here.
Keywords: synthesized hard; active species; hydrogenation nitroarenes; new active ... See more keywords
The role of surface active species in the fabrication and functionality of edible solid lipid particles.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of colloid and interface science"
DOI: 10.1016/j.jcis.2017.03.085
Abstract: Lipid particles are very promising candidates for utilisation as Pickering stabilisers, and fabrication of these species has been attracting considerable academic and industrial research. Nonetheless, current understanding of these systems is hindered by the fact… read more here.
Keywords: functionality; role surface; active species; lipid particles ... See more keywords
ZnCl2 salt facilitated preparation of FeNC: Enhancing the content of active species and their exposure for highly-efficient oxygen reduction reaction
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Catalysis"
DOI: 10.1016/s1872-2067(19)63405-4
Abstract: Introducing catalytically-active Fe and N into carbon materials results in promising FeNC catalysts for oxygen reduction reaction. However, the doped Fe and N species are frequently subject to heavy loss in a traditional carbonization process… read more here.
Keywords: zncl2; active species; reduction reaction; oxygen reduction ... See more keywords
Sunlight-Induced Interfacial Electron Transfer of Ferrihydrite under Oxic Conditions: Mineral Transformation and Redox Active Species Production.
Sign Up to like & getrecommendations! Published in 2022 at "Environmental science & technology"
DOI: 10.1021/acs.est.2c04594
Abstract: Fe(II)-catalyzed ferrihydrite transformation under anoxic conditions has been intensively studied, while such mechanisms are insufficient to be applied in oxic environments with depleted Fe(II). Here, we investigated expanded pathways of sunlight-driven ferrihydrite transformation in the… read more here.
Keywords: electron transfer; active species; redox active; transformation ... See more keywords