Articles with "crystal phase" as a keyword



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Crystal Phase Effects on the Gas‐Phase Ketonization of Small Carboxylic Acids over TiO2 Catalysts

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Published in 2021 at "Chemsuschem"

DOI: 10.1002/cssc.202100721

Abstract: Abstract The choice of TiO2 crystal phase (i. e., anatase, rutile, or brookite) greatly influences catalyst performance in the gas‐phase ketonization of small volatile fatty acids, such as acetic acid and propionic acid. Rutile TiO2 was… read more here.

Keywords: ketonization; phase; phase ketonization; ketonization small ... See more keywords
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Binary and Ternary Colloidal Cu-Sn-Te Nanocrystals for Thermoelectric Thin Films.

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Published in 2021 at "Small"

DOI: 10.1002/smll.202006729

Abstract: Recent advances in copper chalcogenide-based nanocrystals (NCs), copper sulfide, and copper selenide derived nanostructures, have drawn considerable attention. However, reports of crystal phase and shape engineering of binary or ternary copper telluride NCs remain rare.… read more here.

Keywords: thin films; binary ternary; copper; cu1 ... See more keywords
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Crystal phase-controlled growth of PtCu and PtCo alloys on 4H Au nanoribbons for electrocatalytic ethanol oxidation reaction

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Published in 2020 at "Nano Research"

DOI: 10.1007/s12274-020-2849-y

Abstract: Crystal phase can greatly affect the physicochemical properties and applications of nanomaterials. However, it still remains a great challenge to synthesize nanostructures with the same composition and morphology but different phases in order to explore… read more here.

Keywords: phase; ptco alloys; ptcu; controlled growth ... See more keywords
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Tuning of crystal phase of nickel telluride nanosheets to construct superior electrocatalyst for hydrogen evolution

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Published in 2022 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2021.161955

Abstract: Abstract It is of great significance to develop low cost, high-efficiency and environment-friendly electrocatalysts for hydrogen evolution reaction (HER) from water splitting. Herein, nickel telluride nanosheets grown on Ni Foam (NF) with three different crystal… read more here.

Keywords: telluride nanosheets; hydrogen evolution; nickel telluride; ni2 86te2 ... See more keywords
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Crystal phase effect of iron oxides on the aerobic oxidative coupling of alcohols and amines under mild conditions: A combined experimental and theoretical study

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Published in 2019 at "Journal of Catalysis"

DOI: 10.1016/j.jcat.2019.06.018

Abstract: Abstract Selective catalytic oxidation using air as the terminal oxidant is an ecofriendly route for the synthesis of fine and commodity chemicals. However, the catalyst generally faces the challenges of the inertness of molecular oxygen,… read more here.

Keywords: iron oxides; experimental theoretical; crystal phase; phase effect ... See more keywords
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Continuum-DFT multiscale model to investigate linear/nonlinear anisotropic mechanical characterization of crystal phase of nylon-6, 6

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Published in 2018 at "Mechanics of Materials"

DOI: 10.1016/j.mechmat.2017.11.010

Abstract: Abstract In this paper, dispersion corrected density functional theory (DFT-D) is performed on the α-crystal phase of nylon-6, 6 as a reference case for comparison in order to develop a continuum-DFT model. The DFT-D model… read more here.

Keywords: anisotropic mechanical; model; nonlinear anisotropic; crystal phase ... See more keywords
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Tm3+-Dy3+-Eu3+ tri-doped transparent glass-ceramics containing NaY(MoO4)2 crystal phase: Preparation, energy transfer, warm white light emitting

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Published in 2020 at "Optical Materials"

DOI: 10.1016/j.optmat.2020.109851

Abstract: Abstract Tm3+-Dy3+ co-doped and Tm3+-Dy3+-Eu3+ tri-doped glass-ceramics (dGCs) containing NaY(MoO4)2 crystal phase were prepared. The crystal phase of the GCs was determined to be NaY(MoO4)2 by XRD, and the optimal heat treatment condition of GCs… read more here.

Keywords: dy3; eu3; crystal phase; nay moo4 ... See more keywords
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Crystal Phase and Morphology-Controlled Synthesis of Tungsten Oxide Nanostructures for Remarkably Ultrafast Adsorption and Separation of Organic Dyes.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c02715

Abstract: Simple inorganic routes for the synthesis of WO3 nanostructures with variable crystal phases, WO3·(H2O)0.5 and (NH4)0.33WO3, and their self-assembled structures as nanoplates and nanospheres, respectively, were reported. The morphologies and formation of nanoplates and nanospheres… read more here.

Keywords: adsorption; crystal phase; phase morphology; ultrafast adsorption ... See more keywords
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Reduction of Thermal Conductivity in Nanowires by Combined Engineering of Crystal Phase and Isotope Disorder.

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Published in 2018 at "Nano letters"

DOI: 10.1021/acs.nanolett.8b00612

Abstract: Nanowires are a versatile platform to investigate and harness phonon and thermal transport phenomena in nanoscale systems. With this perspective, we demonstrate herein the use of crystal phase and mass disorder as effective degrees of… read more here.

Keywords: phase; disorder; conductivity nanowires; thermal conductivity ... See more keywords
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Two-Dimensional Energy Band Engineering in GaAs/AlGaAs Core–Shell Nanowires by Crystal-Phase Switching for Charge Manipulation

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Published in 2019 at "ACS Applied Nano Materials"

DOI: 10.1021/acsanm.9b00692

Abstract: Two-dimensional (2D) band engineering within nanowires is realized by axial switching of crystal-phase from wurtzite to zinc blende and a lateral GaAs/AlGaAs core–shell structure. Band alignment between different phases/materials is investigated through off-axis electron holography… read more here.

Keywords: band engineering; crystal phase; band; gaas algaas ... See more keywords
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Synergistic Effects of Crystal Phase and Strain for N2 Dissociation on Ru(0001) Surfaces with Multilayered Hexagonal Close-Packed Structures

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.1c06400

Abstract: The synergistic effects of strain and crystal phase on the reaction activity of nitrogen molecule dissociation have been studied using density functional theory calculations on Ru(0001) surfaces with multilayered hexagonal close-packed structures. The phase transformation… read more here.

Keywords: 0001 surfaces; close packed; dissociation; crystal phase ... See more keywords