Articles with "hollow nanoparticles" as a keyword



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Construction of FeP Hollow Nanoparticles Densely Encapsulated in Carbon Nanosheet Frameworks for Efficient and Durable Electrocatalytic Hydrogen Production

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Published in 2019 at "Advanced Science"

DOI: 10.1002/advs.201801490

Abstract: Abstract Developing noble‐metal‐free based electrocatalysts with high activity, good stability, and low cost is critical for large‐scale hydrogen production via water splitting. In this work, hollow FeP nanoparticles densely encapsulated in carbon nanosheet frameworks (donated… read more here.

Keywords: nanosheet frameworks; hydrogen; fep; hollow nanoparticles ... See more keywords

Upconversion luminescence of ytterbium and erbium co-doped gadolinium oxysulfate hollow nanoparticles

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Published in 2018 at "Applied Materials Today"

DOI: 10.1016/j.apmt.2018.11.006

Abstract: Abstract Here we report the successful preparation of upconversion (UC) gadolinium oxysulfate (Gd2O2SO4) hollow nanoparticles with sensitizer Yb3+ and activator Er3+ co-doped through a biomolecule-assisted hydrothermal route and followed by calcination. By changing the experimnetal… read more here.

Keywords: gadolinium oxysulfate; luminescence; hollow; hollow nanoparticles ... See more keywords
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Lignin-based fluorescence hollow nanoparticles: Their preparation, characterization, and encapsulation properties for doxorubicin.

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Published in 2020 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2020.10.092

Abstract: Lignin shows strong adsorption, biodegradability and non-toxicity, and has opened a research hotspot in the design and manufacture of controllable nanomaterials for drug delivery. However, lignin-based materials, with both diagnostic and therapeutic functions, have yet… read more here.

Keywords: lignin based; lignin; based fluorescence; hollow nanoparticles ... See more keywords
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Template-free formation of carbon nanotube-supported cobalt sulfide@carbon hollow nanoparticles for stable and fast sodium ion storage

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Published in 2017 at "Journal of Power Sources"

DOI: 10.1016/j.jpowsour.2016.11.052

Abstract: Carbon-coated cobalt sulfide (CoS) hollow nanoparticles on carbon nanotube (CNT) networks are synthesized by combining three simple approaches: direct growth of Co3O4 nanocrystals on the CNT backbones, chemical conversion of the Co3O4 nanocrystals to CoS… read more here.

Keywords: carbon; carbon nanotube; hollow nanoparticles; ion ... See more keywords
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Palladium and platinum based solid and hollow nanoparticles: An ab-initio study of structural and electronic properties

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Published in 2018 at "Journal of Solid State Chemistry"

DOI: 10.1016/j.jssc.2018.01.020

Abstract: Abstract Nanoparticles composed of palladium and platinum are particularly interesting for catalytic purposes, for instance, selective hydrogenation and alcohol oxidation. The reactivity and selectivity of nanostructures are mostly based on the size and shape of… read more here.

Keywords: platinum; platinum based; palladium platinum; hollow nanoparticles ... See more keywords
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Mechanical properties of Ropaque hollow nanoparticles

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Published in 2017 at "Polymer"

DOI: 10.1016/j.polymer.2017.10.030

Abstract: Abstract The elastic properties and strength upon compression of commercial Ropaque polystyrene hollow particles were investigated by atomic force microscopy (AFM). These particles are commonly used in paints as opacifying agents, as their internal air… read more here.

Keywords: ropaque hollow; microscopy; hollow nanoparticles; properties ropaque ... See more keywords
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Pores shrinkage and growth in polycrystalline hollow nanoparticles and nanotubes

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Published in 2020 at "Scripta Materialia"

DOI: 10.1016/j.scriptamat.2020.01.029

Abstract: Abstract We propose a model of internal pore shrinkage in hollow polycrystalline nanoparticles controlled by surface and grain boundary diffusion. The latter significantly accelerates the pore shrinkage as compared to single crystalline nanoparticles. Moreover, further… read more here.

Keywords: polycrystalline hollow; hollow nanoparticles; shrinkage growth; pores shrinkage ... See more keywords

Size-controlled synthesis of polymer hollow nanoparticles using emulsion templates prepared by tandem acoustic emulsification.

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Published in 2019 at "Ultrasonics sonochemistry"

DOI: 10.1016/j.ultsonch.2019.01.032

Abstract: We have developed a new emulsion template method for the synthesis of poly(methylmethacrylate) (PMMA) hollow nanoparticles with different sizes. This synthetic method involves sequential ultrasonic irradiation (20 kHz → 500 kHz → 1.6 MHz → 2.4 MHz → 5.0 MHz) for acoustic emulsification of a water-insoluble fluorous solvent… read more here.

Keywords: tandem acoustic; acoustic emulsification; hollow nanoparticles; size ... See more keywords
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Lignin-Based Hollow Nanoparticles for Controlled Drug Delivery: Grafting Preparation Using β-Cyclodextrin/Enzymatic-Hydrolysis Lignin

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Published in 2019 at "Nanomaterials"

DOI: 10.3390/nano9070997

Abstract: Due to its abundance, degradability, and low toxicity, lignin is a promising raw material for the preparation of nanomaterials. However, efficient encapsulation using lignin-nanomaterial for sustained-release medications remains a challenge. This study involves grafting β-cyclodextrin… read more here.

Keywords: lignin based; enzymatic hydrolysis; lignin; hollow nanoparticles ... See more keywords