Articles with "ostwald ripening" as a keyword



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Simultaneous Optimization of Phase and Morphology of CsPbBr3 Films via Controllable Ostwald Ripening by Ethylene Glycol Monomethylether/Isopropanol Bi‐Solvent Engineering

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Published in 2020 at "Advanced Engineering Materials"

DOI: 10.1002/adem.202000162

Abstract: Both phase and morphology of perovskite films are very important for high‐performance optoelectronic devices. Although a two‐step method based on CsBr ethylene glycol monomethylether (EGME) solution can prepare pure‐phase CsPbBr3 films, they have a poor… read more here.

Keywords: cspbbr3 films; ostwald ripening; phase; phase morphology ... See more keywords
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Suppressing Vacancy Defects and Grain Boundaries via Ostwald Ripening for High-Performance and Stable Perovskite Solar Cells.

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Published in 2019 at "Advanced materials"

DOI: 10.1002/adma.201904347

Abstract: As one kind of promising next-generation photovoltaic devices, perovskite solar cells (PVSCs) have experienced unprecedented rapid growth in device performance over the past few years. However, the practical applications of PVSCs require much improved device… read more here.

Keywords: ostwald ripening; perovskite solar; suppressing vacancy; performance ... See more keywords
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Intralayered Ostwald Ripening-Induced Self-Catalyzed Growth of CNTs on MXene for Robust Lithium-Sulfur Batteries.

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Published in 2021 at "Small"

DOI: 10.1002/smll.202007446

Abstract: The distinguishable physicochemical properties of MXenes render them attractive in electrochemical energy storage. However, the strong tendency to self-restack owing to the van der Waals interactions between the MXene layers incurs a massive decrease in… read more here.

Keywords: ostwald ripening; lithium sulfur; ripening induced; growth cnts ... See more keywords
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Ostwald-ripening sintering kinetics of Pd-based three-way catalyst: Importance of initial particle size of Pd

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Published in 2017 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2017.01.136

Abstract: Abstract The sintering rates of commercial and lab-prepared Pd three-way catalysts (TWCs) as a function of the catalyst mileage were examined by CO chemisorption, XRD and TEM. Interestingly, the sintering rates of the Pd catalysts… read more here.

Keywords: particle size; ostwald ripening; three way; initial particle ... See more keywords
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Inhibition of Ostwald ripening through surface switching species during potentiodynamic dissolution of platinum nanoparticles as an efficient strategy for platinum group metal (PGM) recovery

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Published in 2019 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2019.134662

Abstract: Abstract Efficient recovery of platinum group metals (PGMs) from industrial spent catalysts through electrochemical means using mild conditions is of significant importance from both the industrial and the environmental points of view. Owing to their… read more here.

Keywords: surface; dissolution; recovery; platinum group ... See more keywords
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Influence of emulsion interfacial membrane characteristics on Ostwald ripening in a model emulsion.

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Published in 2018 at "Food chemistry"

DOI: 10.1016/j.foodchem.2017.09.018

Abstract: Ostwald ripening is a major destabilization mechanism for emulsions containing flavor oils with relatively high water solubilities. Emulsions with different oil phase compositions were prepared that were stabilized by polyoxyethylene alkyl ether-type emulsifiers with differently… read more here.

Keywords: ostwald ripening; emulsion interfacial; influence emulsion; emulsions containing ... See more keywords
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Shell-strengthened hollow architecture of NiCo2S4 carved through an in-situ reaction Ostwald Ripening mechanism with significantly enhanced electrochemical performance

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Published in 2022 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2021.161632

Abstract: Abstract For Faraday supercapacitors, some battery-type electrode materials such as nickel-based materials attract intensive attention by virtue of their high theoretical capacity. However, it is quite difficult for these materials to achieve the satisfied high-rate… read more here.

Keywords: performance; situ reaction; hollow architecture; architecture nico2s4 ... See more keywords
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Ostwald ripening in nano/miniemulsions in the presence of two costabilizers as revealed by molecular dynamics simulations

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Published in 2021 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2021.116152

Abstract: Abstract The stability of mini and nanoemulsions is affected by Ostwald ripening, i. e. the growth of large droplets at expense of the disappearance of the small ones because of chemical potential gradient. A way… read more here.

Keywords: nano miniemulsions; dynamics simulations; molecular dynamics; miniemulsions presence ... See more keywords
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Pore-scale modelling of Ostwald ripening – CORRIGENDUM

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Published in 2019 at "Journal of Fluid Mechanics"

DOI: 10.1017/jfm.2019.180

Abstract: In de Chalendar, Garing & Benson (2018), an incorrect value (expressed in kPa rather than Pa) was used for Henry’s constant when generating the simulations for figures 7 and 8. Using an appropriate value for… read more here.

Keywords: ostwald ripening; scale modelling; ripening corrigendum; modelling ostwald ... See more keywords
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Quantification of Ostwald Ripening in Emulsions via Coarse-Grained Simulations.

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Published in 2019 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.9b00296

Abstract: Ostwald ripening is a diffusional mass transfer process that occurs in polydisperse emulsions, often with the result of threatening the emulsion stability. In this work, we design a simulation protocol that is capable of quantifying… read more here.

Keywords: ostwald ripening; agreement; water; benzene ... See more keywords
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Tuning the potential energy landscape to suppress Ostwald Ripening in surface-supported catalyst systems.

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Published in 2019 at "Nano letters"

DOI: 10.1021/acs.nanolett.9b02237

Abstract: Rational control of nanoparticle (NP) size distribution during operation is crucial to improve catalytic performance and noble metal sustainability. Herein, we explore the Ostwald ripening (OR) of metal atoms on zeolite surfaces by a coupled… read more here.

Keywords: ostwald ripening; potential energy; energy landscape; surface ... See more keywords