Articles with "vacancy" as a keyword



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Vacancy‐Modulated of CuS for Highly Antibacterial Efficiency via Photothermal/Photodynamic Synergetic Therapy

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Published in 2022 at "Advanced Healthcare Materials"

DOI: 10.1002/adhm.202201746

Abstract: Cu‐based nanomaterials have been developed to alleviate the problem of antibiotic resistance due to their superior properties and good biocompatibility. Defects in nanomaterials have a major role in improving photocatalytic performance. Herein, two CuS nanospheres… read more here.

Keywords: antibacterial efficiency; vacancy modulated; therapy; vacancy ... See more keywords
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Vacancy Defects in 2D Transition Metal Dichalcogenide Electrocatalysts: From Aggregated to Atomic Configuration.

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Published in 2022 at "Advanced materials"

DOI: 10.1002/adma.202206576

Abstract: Vacancy defect engineering has been well leveraged to flexibly shape comprehensive physicochemical properties of diverse catalysts. In particular, growing research effort has been devoted to engineering chalcogen anionic vacancies (S/Se/Te) of two-dimensional transition metal dichalcogenides… read more here.

Keywords: vacancy; aggregated atomic; transition metal; engineering ... See more keywords
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Synthesis of Nitrogen‐Doped KMn8O16 with Oxygen Vacancy for Stable Zinc‐Ion Batteries

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202106067

Abstract: The development of MnO2 as a cathode for aqueous zinc‐ion batteries (AZIBs) is severely limited by the low intrinsic electrical conductivity and unstable crystal structure. Herein, a multifunctional modification strategy is proposed to construct N‐doped… read more here.

Keywords: vacancy; oxygen vacancy; ion batteries; zinc ion ... See more keywords
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Charge‐Polarized Selenium Vacancy in Nickel Diselenide Enabling Efficient and Stable Electrocatalytic Conversion of Oxygen to Hydrogen Peroxide

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202205347

Abstract: Vacancy engineering is deemed as one of the powerful protocols to tune the catalytic activity of electrocatalysts. Herein, Se‐vacancy with charge polarization is created in the NiSe2 structure (NiSe2‐VSe) via a sequential phase conversion strategy.… read more here.

Keywords: charge polarized; charge; polarized selenium; conversion ... See more keywords
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Heterogeneity and Memory Effect in the Sluggish Dynamics of Vacancy Defects in Colloidal Disordered Crystals and Their Implications to High‐Entropy Alloys

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202205522

Abstract: Vacancy dynamics of high‐density 2D colloidal crystals with a polydispersity in particle size are studied experimentally. Heterogeneity in vacancy dynamics is observed. Inert vacancies that hardly hop to other lattice sites and active vacancies that… read more here.

Keywords: vacancy; entropy alloys; memory effect; disordered crystals ... See more keywords
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An Efficient Approach Based on Tuned Nanoionics to Maximize Memory Characteristics in Ag‐Based Devices

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Published in 2021 at "Advanced Electronic Materials"

DOI: 10.1002/aelm.202100022

Abstract: This study demonstrates a systematic approach to modulate the oxygen vacancy concentration within a Ag/HfO2/Pt based resistive switching device and control the volatile and nonvolatile switching through tuned nanoionics. A synergistic effect of oxygen vacancy… read more here.

Keywords: oxygen vacancy; tuned nanoionics; memory; approach ... See more keywords
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Influence of N‐vacancy on the electronic and optical properties of bulk GaN from first‐principles investigations

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Published in 2021 at "International Journal of Energy Research"

DOI: 10.1002/er.6744

Abstract: Gallium nitride (GaN) is a promising semiconductor material for the application of the high power electronic, optoelectronic, laser diodes, etc. The previous works have been focused on the electronic and optical properties of the monolayer… read more here.

Keywords: electronic optical; bulk gan; vacancy electronic; properties bulk ... See more keywords
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Electronic Structure Modulation of Ag2 S by Vacancy Engineering for Efficient Bacterial Infection.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202107807

Abstract: Vacancy engineering can modulate the electronic structure of the material and thus contribute to the formation of coordination unsaturated sites, which makes it easier to act on the substrate. Herein, Ag2 S and Ag2 S-100,… read more here.

Keywords: vacancy engineering; vacancy; electronic structure; infection ... See more keywords
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2D Piezoelectric BiVO4 Artificial Nanozyme with Adjustable Vanadium Vacancy for Ultrasound Enhanced Piezoelectric/Sonodynamic Therapy.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202301349

Abstract: Increasing the yield of reactive oxygen species (ROS) to enhance oxidative stress in cells is an eternal goal in cancer therapy. In this study, BiVO4 artificial nanozyme is developed with adjustable vanadium vacancy for ultrasound… read more here.

Keywords: vacancy; bivo4 artificial; vanadium vacancy; therapy ... See more keywords
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Vacancy and phonon dispersion properties of Be, Co, Hf, Mg, and Re by modified embedded atom method potentials

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Published in 2021 at "Journal of Molecular Modeling"

DOI: 10.1007/s00894-021-04759-4

Abstract: The modified embedded atom method (MEAM) potentials improved by Jin et al. (Appl. Phys. A120 (2015), p. 189) were applied to calculate the mono- and bi-vacancy properties as well as the phonon dispersions for hexagonal… read more here.

Keywords: modified embedded; embedded atom; phonon dispersion; vacancy ... See more keywords
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Formation of defects during fullerene bombardment and repair of vacancy defects in graphene

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Published in 2019 at "Journal of Materials Science"

DOI: 10.1007/s10853-019-03938-2

Abstract: The use of high-energy ions or clusters to bombard graphene is emerging as a new method for the theoretical study of graphene properties. In this study, using molecular dynamics simulations and empirical potentials, the behaviors… read more here.

Keywords: vacancy; repair vacancy; defects graphene; vacancy defects ... See more keywords