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Sadasivan and Sukhorukov fab-ricated hollow multifunctional spheres containing MCM-41 and magnetite nanoparticles with layer-by-layer method [16]. It is well known that the cost of the template ...
Hollow multishelled structure (HoMS) has drawn tremendous attention due to its abundant attractive properties and promising applications. However, for a long time, the limited synthesis method hindered the development of HoMS. The sequential templating approach developed by our group, has greatly enriched its composition and structure …
The shuttle effect and sluggish redox kinetics of the polysulfides seriously hinder the potential application of lithium-sulfur (Li-S) batteries. Herein, distinctive hollow structures of NiS2 (NiS2/C HSs) are developed to establish a double barrier of physical and chemical adsorption to prevent the migration of polysulfides and effectively accelerate …
Multifunctional nanocomposite coatings were synthesized by reinforcing a polymeric matrix with halloysite nanotubes (HNTs) loaded with corrosion inhibitor (NaNO3) and urea formaldehyde microcapsules (UFMCs) encapsulated with a self-healing agent (linseed oil (LO)). The developed polymeric nanocomposite coatings were applied on the …
For solving the problems of the poor electronic conductivity and volume change of sulfur particles, the shuttle effect of the soluble polysulfides, we design multifunctional host materials for the element sulfur by using hollow graphene and SnO 2 composite spheres (HGSn). In this multifunctional host materials, graphene can …
About this book. Multifunctional Metallic Hollow Sphere Structures are an emerging new material category, belonging like metal foams to the class cellular metals. Thanks to their …
Nanoparticles are often used as seeds to grow one-dimensional nanomaterials or as core materials to prepare core−shell nanostructures. On the other hand, the presynthesized inorganic nanoparticles can also be used as starting building blocks to prepare inorganic−polymer nanocomposites. In this work, we explore the roles of metal …
An advanced multifunctional, hollow metal-organic framework (MOF) drug delivery system with a high drug loading level and targeted delivery was designed and fabricated for the first time and ...
Multifunctional Metallic Hollow Sphere Structures Manufacturing, Properties and Application. Multifunctional Metallic Hollow Sphere Structures are an emerging new material category, belonging like metal foams to the class cellular metals. Thanks to their advantageous mechanical and sound absorbing properties, Multifunctional Metallic …
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Multifunctional Metallic Hollow Sphere Structures are an emerging new material category, belonging like metal foams to the class cellular metals. Thanks to their advantageous mechanical and sound absorbing properties, Multifunctional Metallic Hollow Sphere Structures are very promising for various applications and our …
The hollow zeolite with a shell thickness of about 10 μm is measured at 20–90 μm in outer diameter. Qiu et al. [147] successfully synthesized hollow zeolite spheres silicalite-1 by constructing an oil/water/surfactant system using toluene as the templating agent. It was found that toluene contributes to the zeolite shell's integrity ...
X-ray photoelectron spectroscopy (XPS) was performed to analyze the surface composition and chemical valence states of the samples. Fig. 2 a compares the Co 2p XPS spectrum of Co-Mn-S hollow spheres with that of Co-S spheres. The 2p 3/2 peak at 778.4 eV and 2p 1/2 peak at 798.7 eV as well as the satellite peaks at 780.5 and …
Europe PMC is an archive of life sciences journal literature. We demonstrate a facile and ultrafast approach for the synthesis of multifunctional submicrometer hollow silica spheres (smHSSs) using microfluidic spiral channels with enhanced mixing performance, introduced by the transverse Dean flows cross the channel as a result of …
Advanced. Read Now. Multifunctional Metallic Hollow Sphere Structures Manufacturing, Properties and Application. Multifunctional Metallic Hollow Sphere Structures are an …
The synthesis strategy of N-doped hollow porous carbon nanocapsules with different morphologies was depicted in Fig. 1a.Silica (SiO 2) spheres with a uniform diameter of ~180 nm were wrapped with ...
Multifunctionalized nanoparticles have a great attention owing to their unique advantages as ideal tools for gene/drug delivery, bioimaging, labeling, or intracellular tracking in biomedical applications. In the present work, azole functional Poly(glycidyl methacrylate) (PGMA) grafted hollow silica sphere (HSS) nanoparticles synthesized …
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A novel class of hollow yolk-shell carbon spheres has been proposed, which consists of mesoporous carbon shells, hollow cavities, and microporous cores locally immobilized on their shells. ... These multifunctional composites generally own superior electroconductivity or catalytic activity and stability, including common carbon materials …
Obtaining multifunctionality from microstructures instead of constituents provides a new direction for developing multifunctional materials. Periodic hollow sphere foams (HSFs) offer one lightweight structural motif with open and closed cells, high energy absorption, low thermal conductivity, snap-through instability, and triple-negative material …
1. Introduction Hollow polymer particles (HPPs) are polymeric spheres with size in the range from nanometer to micron (1–1000 nm) and a single pore inside the particle; on the other hand, polymers with many pores are called porous polymers. 1,2 Interest in HPPs has increased steadily over the past few decades because HPPs can readily be used to …
This work is expected to advance the rational synthesis and research of hierarchically hollow, core–shell, multifunctional catalyst materials.
cation of multifunctional core– shell nanomaterials for separ-ation and pre-concentration tech-niques, wastewater treatment as well as carbon based materials for hydrogen storage applications. Fig. 1 Multifunctional nanomaterials including (a) core–shell, (b) hollow core–shell, and (c) rattle core–shell nanostructures. Nanoscale Review
In this work, ZnCo 2 S 4 nanospheres in a hollow core-shell structure are synthesized by a facile self-template route. The synthesis route involves a solvothermal method synthesis of Zn-Co precursor solid spheres in glycerol and isopropanol and then sulfidation to obtain hollow ZnCo 2 S 4 core-shell nanospheres. The synthesized obtain …
The thermal conductivity of sintered hollow sphere structures (HSS) is investigated within the scope of this paper. For this purpose, finite element analyses based on micro-computed tomography images are performed on HSS structures. The complex geometry of the real sintered HSS sample is accurately captured with this new hybrid …
the hollow structures with the broken parts and voids. ˜e TEM images further con˝rm the hollow silica spheres with mesoporous morphology. ˜e thickness of the shell layer is estimated to b~ nm.
The resultant hollow spheres are stable in aqueous solutions, and their shell thickness could be adjusted by changing the core/shell ratio of the micelle precursors. SEM observations proved that the mechanical stability of the hollow spheres depended on both the cross-linking degree and the thickness of the shell.
Abstract. An advanced multifunctional, hollow metal-organic framework (MOF) drug delivery system with a high drug loading level and targeted delivery was …
Hollow carbon spheres (HCSs) attract broad interest in the area of electrocatalysis, especially in the oxygen reduction reaction (ORR) owing to their high surface area, abundant accessible active sites, discrete voids, and uniform channel/pore structures. Recently, advances have been made in surface and inte Journal of Materials …
Carbon nanomaterials with high electrical conductivity, good chemical, and mechanical stability have attracted increasing attentions and shown wide applications in recent years. In particularly, hollow carbon …
December 04, 2023
December 09, 2023