Introduction to Catalyst Nanoparticles
Sentence Examples
Discover more insights into Catalyst Nanoparticles
Keywords frequently search together with Catalyst Nanoparticles
Narrow sentence examples with built-in keyword filters
Catalyst Nanoparticles sentence examples within Fe Catalyst Nanoparticles
The tip growth mechanism for CNT nucleation has been established using HR-TEM, in which the Fe catalyst nanoparticles are detected within the top shell of the growing CNTs.
Full Text
Fe catalyst nanoparticles were uniformly formed on the substrate by flowing ferrocene/ethanol mist generated by an ultrasonic nebulizer.
Full Text
Catalyst Nanoparticles sentence examples within Metal Catalyst Nanoparticles
In this work, surface properties and chemistry such as exsolution of B-site metal catalyst nanoparticles, particle size and distribution, as well as catalyst-support interactions were tailored through the use of alkaline dopants to enhance catalytic behaviour in valorisation of glycerol.
Full Text
However, metal catalyst nanoparticles and their dispersed carriers are prone to aggregation, producing catalytic electrodes with inferior qualities.
Full Text
Catalyst Nanoparticles sentence examples within Co Catalyst Nanoparticles
Furthermore, the initial steps of C2H2 dissociation
on MgO-supported Cu and Co catalyst nanoparticles are investigated.
Full Text
Herein, by treating ZIF-67 particulate films in CH4/H2 plasma, edge-oriented graphene (EOG) formed around the carbonized ZIF-67 particulate skeleton, and this EOG was coupled with carbon nanotubes (CNTs) that were grown with the aid of Co catalyst nanoparticles, which were generated by reducing the Co2+ ions associated with ZIF in the plasma.
Full Text
Learn more from Catalyst Nanoparticles
Catalyst Nanoparticles sentence examples within Ni Catalyst Nanoparticles
Here, we report a mechanism to explain BNNT nucleation on Ni catalyst nanoparticles during BOCVD with an ammonia precursor using nonequilibrium molecular dynamics simulations.
Full Text
Here, we present nonequilibrium quantum chemical molecular dynamics simulations showing how these factors control the SWCNT nucleation mechanism in different ways on Fe and Ni catalyst nanoparticles.
Full Text
Catalyst Nanoparticles sentence examples within Individual Catalyst Nanoparticles
Catalyst Nanoparticles sentence examples within Heterogeneou Catalyst Nanoparticles
The morphology of heterogeneous catalyst nanoparticles as a function of the gas chemical potential is determined using ab initio thermodynamics and Wulff-Kaishew construction methods.
Full Text
Heterogeneous catalyst nanoparticles have proven remarkably successful in catalysing a wide range of important processes, in fuel-cells, exhaust emission control and water electrolysers.
Full Text
Catalyst Nanoparticles sentence examples within Alloy Catalyst Nanoparticles
Carbonized silk fabric (CSF) loaded with transition metal salts in ethanol solution was used as the substrate, which was treated with a pulse voltage of 40 V for only 50 ms and then covered with uniform CNTs grown with bimetallic alloy catalyst nanoparticles (diameter: ∼ 9 nm).
Full Text
To improve the electrocatalytic activity of alcohol oxidation, functionalized carbon nanotubes (CNTs) decorated with various compositions of metal alloy catalyst nanoparticles (PtxMy, where M = Au and Pd; x and y = 1–3) have been prepared via reduction.
Full Text
Catalyst Nanoparticles sentence examples within Immobilize Catalyst Nanoparticles
Nanosized clay minerals have been widely used as efficient supports to immobilize catalyst nanoparticles.
Full Text
The concept behind this work is to investigate the use of polymer fractal structures manufactured by 3D-printing technology, as a highly ordered substrate with an important surface area to immobilize catalyst nanoparticles, by means of plasma grafting technology.
Full Text
Catalyst Nanoparticles sentence examples within Pt Catalyst Nanoparticles
Anomalous X-ray scattering revealed that the Pt catalyst nanoparticles on the carbon surfaces were aggregated in the CLs.
Full Text
Here, we employ a nanoreactor in combination with single-particle plasmonic nanospectroscopy to investigate individual Pt catalyst nanoparticles localized inside a nanofluidic model pore during carbon monoxide oxidation at 2 bar in the 450–550 K temperature range.
Full Text
Catalyst Nanoparticles sentence examples within catalyst nanoparticles within
The aim of this chapter is to present recent developments for the immobilization of photocatalyst nanoparticles within nanoporous polymer monolithic aerogels.
Full Text
However, MPC utilization was limited by difficulties in loading catalyst nanoparticles within the MPC pores while simultaneously controlling critical particle parameters such as size and distribution.
Full Text
In this work, surface properties and chemistry such as exsolution of B-site metal catalyst nanoparticles, particle size and distribution, as well as catalyst-support interactions were tailored through the use of alkaline dopants to enhance catalytic behaviour in valorisation of glycerol.
Full Text
Electric current is now shown to induce movement of the atoms in electrocatalyst nanoparticles, leading to morphological changes and performance degradation.
Full Text
However, metal catalyst nanoparticles and their dispersed carriers are prone to aggregation, producing catalytic electrodes with inferior qualities.
Full Text
Pulse irradiation (not only by laser but also white light camera flashes, as well as thermal processes such as Joule heating) lead to (1) the sweating-out of catalyst nanoparticles resulting in molten catalyst beads of up to several hundreds of nanometres in diameter on the textile surface and (2) a significant improvement in CNT bundle alignment.
Full Text
Methodology: Advantageous effects of (reline) (derived from two moles of choline chloride and one mole of urea) as a deep eutectic solvent (DES) or the gold (Au) catalyst nanoparticles (NPs) supported on titanium oxide (Au–TiO2) on the chalcone derivatives of peroxidation was studied under several procedure conditions using hydrogen peroxide/sodium bicarbonate to produce novel oxiranes (I-VI).
Full Text
, polystyrene, silica gel, and glass) have been explored as self-floating substrates; however, these materials have certain limitations such as a low light transmittance, mechanical instability during floating, and insufficient adhesion with the active photocatalyst nanoparticles (NPs).
Full Text
Analogous to conventional gas-phase growth, which utilizes the furnace heating to induce dissociation of the reactant species, formation of the catalyst nanoparticles, and nucleation of the CNTs, our process replaces the furnace with the microplasma as the sole reaction source.
Full Text
Optical emission spectroscopy of the microplasma revealed that without hydrogen, the high-energy electrons induced the immediate decomposition of carbon feedstock simultaneously with the catalyst feedstock, thus suppressing the formation of catalyst nanoparticles and inducing catalyst deactivation.
Full Text
However, cocatalyst nanoparticles form aggregates and exhibit weak interaction with photocatalysts, which prevents eliciting their intrinsic photocatalytic performance.
Full Text
An analysis of the size distributions of catalyst nanoparticles is carried out and compared with the distribution of particles from which the growth of carbon nanotubes is observed.
Full Text
Anomalous X-ray scattering revealed that the Pt catalyst nanoparticles on the carbon surfaces were aggregated in the CLs.
Full Text
Furthermore, we study how the addition of metal catalyst nanoparticles, Ru, or Cu, to the support material impacts the light scattering behavior of the powder.
Full Text
Photocatalytic membranes (PMs), in which photocatalyst nanoparticles are deposited or immobilized to enhance their performance, can provide a complete treatment of wastewater due to the dual action over pollutants: retention/rejection/repulsion and photodegradation.
Full Text
Combining the information from two independent single-entity electrochemistry measurements provides the basis for elucidating structure-activity relations of single electrocatalyst nanoparticles with well-define surface structure.
Full Text
Here, we employ a nanoreactor in combination with single-particle plasmonic nanospectroscopy to investigate individual Pt catalyst nanoparticles localized inside a nanofluidic model pore during carbon monoxide oxidation at 2 bar in the 450–550 K temperature range.
Full Text
BN-rGO possesses B–N, B–C, and N–C functional groups to support and stabilize the IrO2 catalyst nanoparticles.
Full Text
However, disastrous migration and aggregation of catalyst nanoparticles on substrate has greatly limited the area of as-grown SWNT arrays.
Full Text
We use electrospun polymeric fibers doped with catalyst nanoparticles as the template and employ a vapor-liquid-solid (VLS) method to growth of the ZnO nanostructures.
Full Text
This is especially feasible if the catalyst nanoparticles are large enough that they can be found and counted in post-SECCM scanning electron microscopy images.
Full Text
This study sheds new light on the replacement of catalyst nanoparticles to activate ozone at acidic pHs and is believed to extend the scope of ozonation for complete oxidation of organic acid with surfactants.
Full Text
In this study, a thin shell of amorphous tin dioxide (SnOx) was grown on the surface of ZnO to form ZnO–SnOx core–shell nanoparticles that improved the chemical stability of the photocatalyst nanoparticles, as examined at pH 3 and 6.
Full Text
Anchoring electrocatalyst nanoparticles on carbon materials is a promising strategy to establish a hybrid electrocatalyst with unique structure and properties.
Full Text
In the MOFs-based composites, the co-catalyst nanoparticles loads tend to agglomerate.
Full Text
In addition, the bandgap of TiO2, ZnO, or other photocatalyst nanoparticles with symmetric crystal structure can be modified through doping or embedding.
Full Text
Ru catalyst nanoparticles were encapsulated into the pores of a Cr-based metal-organic framework (MOF)—MIL-101.
Full Text
The tip growth mechanism for CNT nucleation has been established using HR-TEM, in which the Fe catalyst nanoparticles are detected within the top shell of the growing CNTs.
Full Text
The morphology of heterogeneous catalyst nanoparticles as a function of the gas chemical potential is determined using ab initio thermodynamics and Wulff-Kaishew construction methods.
Full Text
Among the unconventional approaches of supporting catalyst nanoparticles, the layer-by-layer assembly of polyelectrolyte multilayers for nanoparticle adsorption represents an easy and convenient method.
Full Text
Catalyst nanoparticles on a support of activated carbon have been used to significantly enhance the catalytic stability and activity.
Full Text
Nanosized clay minerals have been widely used as efficient supports to immobilize catalyst nanoparticles.
Full Text
Further, metal-rich shells show compressive strain in core–shell catalyst nanoparticles, yielding shifts in metal electronic band structure features, weakened chemisorption of oxygenated species, and changes in the mechanisms governing catalyst activity.
Full Text
Combined experimental and theoretical studies indicate that confinement of catalyst nanoparticles on discrete a-plane strips plays a key role in stabilizing the small nanoparticles.
Full Text
Many semiconductor photocatalysts are loaded with metal co-catalyst nanoparticles to enhance the transfer of photo-generated charge carriers and to improve the catalytic reaction kinetics.
Full Text
Nanofibrous membranes display high density of active sites for pollutant interactions and allow formaldehyde removal without leaching out of catalyst nanoparticles or adsorbents.
Full Text
The influence of morphological characteristics of catalyst nanoparticles on the feed conversion, the yield of gaseous and liquid products, and the quality of distillate fractions, as well as the yield of polycondensation products, have been studied.
Full Text
The proposed model takes into account the pyrolysis of hydrocarbons on the surface of catalyst nanoparticles; the formation of a surface barrier layer, which slows down and stops nanotube array growth; and interaction of the buffer layer with carbon in the catalyst nanoparticles.
Full Text
The yield and morphology (length, width, thickness) of stoichiometric Bi2Se3 nanoribbons grown by physical vapor deposition is studied as a function of the diameters and areal number density of the Au catalyst nanoparticles of mean diameters 8–150 nm formed by dewetting Au layers of thicknesses 1.
Full Text
Several catalyst nanoparticles were infiltrated to tailor C2H4 adsorption and electrochemical oxidation properties while diminishing adsorption and conversion of other gas components such as CO.
Full Text
The growth depends on the size of catalyst nanoparticles sintered at different temperatures.
Full Text
Carbonized silk fabric (CSF) loaded with transition metal salts in ethanol solution was used as the substrate, which was treated with a pulse voltage of 40 V for only 50 ms and then covered with uniform CNTs grown with bimetallic alloy catalyst nanoparticles (diameter: ∼ 9 nm).
Full Text
These porous systems could emerge as promising gas-phase catalysts since the mass transport is facilitated by porosity and the release of catalyst nanoparticles is avoided by the active support, providing a safe and viable model for bioaerosols inactivation to improve indoor air quality with the use of interior lighting.
Full Text
Photoassisted synthesis is as a highly appealing green procedure for controlled decoration of semiconductor catalysts with co-catalyst nanoparticles, which can be carried out without the concourse of elevated temperatures, external chemical reducing agents or applied bias potential and in a simple slurry reactor.
Full Text
A hydrothermally synthesized monoclinic phase of BiEuWO6
photocatalyst nanoparticles was irradiated with variable doses of high-energy electron beam irradiation (EBI).
Full Text
By placing the catalyst nanoparticles on the crucible lid and being subjected to the argon gas flow, new morphologies of boron carbide are appeared (flower-shaped and needle-shaped are synthesized by using carbon black and activated carbon, respectively).
Full Text
05 wt% of Rh cocatalyst nanoparticles, which was well dispersed oxide species on the surface.
Full Text
FTIR, XRD, SEM, EDX and UV–Vis spectroscopies supported the idea that Fe ions integrated into TiO2 crystal structure and Pani composites were successfully synthesized in the presence of the photocatalyst nanoparticles.
Full Text
The graphene aerogel acting as a carbon matrix provided abundant channels and avoided the aggregation of catalyst nanoparticles.
Full Text
We present a novel nitrogen-sulphur co-doped carbon nanotubes-few layer graphene1D-2D hybrid support formed by partially exfoliating multiwall carbon nanotubes (PECNT), to improve interface bonding to catalyst nanoparticles.
Full Text
For high performance, the catalyst nanoparticles must form charge-carrier-selective contacts with the underlying light-absorbing semiconductor, facilitating either hole or electron transfer while inhibiting collection of the opposite carrier.
Full Text
The interest in doped lanthanum ferrite perovskite as a catalyst is the concept of regeneration of catalyst nanoparticles, which makes it be used efficiently in automobile exhaust for longer duration in comparison to the conventional TWCs.
Full Text