Articles with "high index" as a keyword



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Synthesis of palladium concave Nanocubes with high-index facets and their catalytic properties

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Published in 2017 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.3887

Abstract: Palladium nanocrystals with a variety of shapes have received particular interest in recent years due to their unique properties in catalysis. Herein, Pd concave nanocubes with high-index facets (Pd-CNs) was synthesized by a simple water-based… read more here.

Keywords: index facets; nanocubes high; palladium; concave nanocubes ... See more keywords
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Self-Terminating Surface Reconstruction Induced by High-Index Facets of Delafossite for Accelerating Ammonia Oxidation Reaction Involving Lattice Oxygen.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202207727

Abstract: Ammonia (NH3 ) is a promising hydrogen (H2 ) carrier for future carbon-free energy systems, due to its high hydrogen content and easiness to be liquefied. Inexpensive and efficient catalysts for ammonia electro-oxidation reaction (AOR)… read more here.

Keywords: index; oxidation reaction; high index; lattice oxygen ... See more keywords
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High-Index Faceted PdPtCu Ultrathin Nanorings Enable Highly Active and Stable Oxygen Reduction Electrocatalysis.

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Published in 2021 at "Small methods"

DOI: 10.1002/smtd.202100154

Abstract: Ultrathin nanosheet catalysts deliver great potential in catalyzing the oxygen reduction reaction (ORR), but encounter the ceiling of the surface atomic utilizations, thus presenting a challenge associated with further boosting catalytic activity. Herein, a kind… read more here.

Keywords: oxygen reduction; pdptcu ultrathin; activity; ultrathin nanorings ... See more keywords
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A novel synthetic route for high-index faceted iron oxide concave nanocubes with high T2 relaxivity for in vivo MRI applications

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Published in 2018 at "Journal of Materials Science: Materials in Medicine"

DOI: 10.1007/s10856-018-6052-6

Abstract: AbstractIron oxide nanoparticles (IONPs) with high-index facets have shown great potential as high performance T2 contrast agents for MRI. Previous synthetic approaches focused mainly on ion-directed or oxidative etching methods. Herein, we report a new… read more here.

Keywords: synthetic route; oxide; faceted iron; index faceted ... See more keywords
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Constrained High-Index Saddle Dynamics for the Solution Landscape with Equality Constraints

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Published in 2022 at "Journal of Scientific Computing"

DOI: 10.1007/s10915-022-01838-3

Abstract: We propose a constrained high-index saddle dynamics (CHiSD) method to search for index- k saddle points of an energy functional subject to equality constraints. With Riemannian manifold tools, the CHiSD is derived in a minimax… read more here.

Keywords: constrained high; equality constraints; index saddle; high index ... See more keywords
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Defect-density control of platinum-based nanoframes with high-index facets for enhanced electrochemical properties

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Published in 2019 at "Nano Research"

DOI: 10.1007/s12274-019-2530-5

Abstract: Structure-engineered platinum-based nanoframes (NFs) at the atomic level can effectively improve the catalytic performance for fuel cells and other heterogeneous catalytic fields. We report herein, a microwave-assisted wet-chemical method for the preparation of platinum-copper-cobalt NFs… read more here.

Keywords: platinum based; index facets; high index; density ... See more keywords
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Strain in epitaxial high-index Bi2Se3(221) films grown by molecular-beam epitaxy

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Published in 2017 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2016.11.189

Abstract: Abstract High-index Bi 2 Se 3 (221) film has been grown on In 2 Se 3 -buffered GaAs(001), in which a much retarded strain relaxation dynamics is recorded. The slow strain-relaxation process of in epitaxial… read more here.

Keywords: index; index bi2se3; strain epitaxial; bi2se3 221 ... See more keywords
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Electrochemically fabricated gold dendrites with high-index facets for use as surface-enhanced Raman-scattering-active substrates

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Published in 2017 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2017.01.055

Abstract: Abstract In this study, cysteine-directed crystalline gold dendrites (Au-Ds) were fabricated on glassy carbon electrodes, which exhibit preferential crystal growth along the 〈111〉 direction; Au-Ds exhibited a hierarchical architecture comprising trunks, branches, and nanorod-like leaves… read more here.

Keywords: surface enhanced; index facets; gold dendrites; high index ... See more keywords
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Equivariant compactifications of vector groups with high index

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Published in 2019 at "Comptes Rendus Mathematique"

DOI: 10.1016/j.crma.2019.05.002

Abstract: In this note, we classify smooth equivariant compactifications of $\mathbb{G}_a^n$ which are Fano manifolds with index $\geq n-2$. read more here.

Keywords: vector groups; compactifications vector; groups high; high index ... See more keywords
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Pt3Mn alloy nanostructure with high-index facets by Sn doping modified for highly catalytic active electro-oxidation reactions

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Published in 2021 at "Journal of Catalysis"

DOI: 10.1016/j.jcat.2020.12.034

Abstract: Abstract Modulating the surface structure of Pt-based alloy by oxyphilic component has been proven significantly enhancement of activity and stability for electro-oxidation of small organic molecules. Inspired by these advances, the oxyphilic metal Sn is… read more here.

Keywords: surface; index facets; activity; high index ... See more keywords
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Hyperbranched concave octahedron of PtIrCu nanocrystals with high-index facets for efficiently electrochemical ammonia oxidation reaction.

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Published in 2021 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2021.04.068

Abstract: Ammonia oxidation reaction (AOR) via electrocatalysis is one of the most efficient ways of utilizing ammonia (a zero-carbon fuel with high hydrogen content) for renewable energy systems. However, AOR seriously suffers from the slow kinetics,… read more here.

Keywords: ptircu; reaction; ammonia oxidation; high index ... See more keywords