Academic literature on the topic 'Coreshell structures'

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Journal articles on the topic "Coreshell structures"

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Tsai, Yu Sheng, Xin Dai Lin, Wei Lun Chan, et al. "Morphological, Material, and Optical Properties of ZnO/ZnS/CNTs Nanocomposites on SiO2 Substrate." Nanomaterials 10, no. 8 (2020): 1521. http://dx.doi.org/10.3390/nano10081521.

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Ultraviolet A light (UV-A, 320–400 nm), which is unblockable by sunscreen, requires careful detection for disease avoidance. In this study, we propose a novel photosensing device capable of detecting UV-A. Cancer-causing UV light can be simultaneously monitored with tiny rapid response sensors for a high carrier transition speed. In our research, a multifunctional ZnO/ZnS nanomaterial hybrid-sprinkled carbon nanotube (CNT) was created for the purpose of fabricating a multipurpose, semiconductorbased application. For our research, ZnO nanorods (NRs) were grown by using a facile hydrothermal met
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Mahmed, Norsuria, Oleg Heczko, and Simo Pekka Hannula. "Influence of Hydrochloric Acid Concentrations on the Formation of AgCl-Doped Iron Oxide-Silica Coreshell Structures." Advances in Science and Technology 77 (September 2012): 184–89. http://dx.doi.org/10.4028/www.scientific.net/ast.77.184.

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Silver chloride (AgCl) nanoparticles with the average size of about 45 nm have successfully been doped onto the iron oxide-silica coreshell surfaces by a simple room temperature wet chemistry method under ambient atmosphere. The Stöber process has been used to make the coreshell structure, followed by adsorption of Ag+ species on silica surface prior to the addition of hydrochloric acid (HCl) and polyvinylpyrrolidone (PVP). The concentration of HCl acid that was used to induce the growth of AgCl particles was varied from 0.12 mM to 12x103 mM of concentrations. Results showed that at a very hig
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Husni, Hazreen Nadihah, Norsuria Mahmed, Yanling Ge, et al. "Magnetic-Based Coreshell Nanoparticles as Potential Adsorbents for the Removal of Cu2+ Under Ultraviolet (UV) Light." Journal of Physics: Conference Series 2080, no. 1 (2021): 012032. http://dx.doi.org/10.1088/1742-6596/2080/1/012032.

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Abstract The magnetite (Fe3O4) and maghemite (γFe2O3) nanopartides, magnetite-silica-silver chloride (Fe3O4-SiO2-AgCl) and maghemite-silica-silver chloride (γFe2O3-SiO2-AgCl) coreshell structures have successfully been synthesized by using a simple wet chemistry method. The efficiency of these particles as the adsorbents for the removal of copper ion, Cu2+ in aqueous solution under UV light was investigated. Two different parameters were studied, namely the adsorbents contact time (60, 120, 180, 240 and 300s) and the solution-stirring rate (100, 200 and 300 rpm). From the results, the removal
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Hu, Shukai. "Mxenes applications in different metal ion batteries." Applied and Computational Engineering 3, no. 1 (2023): 336–40. http://dx.doi.org/10.54254/2755-2721/3/20230537.

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Mxenes, with unique two-dimensional structures, possess excellent electrical conductivity and low diffusion barriers, which are potential materials used in different metal ion batteries. Herein this paper focuses on synthesising MXenes applications through a literature review method. In relevant analysis, Mxenes can be Constructed in Ultrathin Layered with TiN in Heterostructure to Facilitate the Favorable Catalytic Capability of LithiumSulfur Batteries. For Potassium-Ion Batteries, MXene coated in Carbon to form a Three-Dimensional MXene/Iron Selenide Ball with CoreShell Structure shows a hig
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Wu, Zhao Yang, Guang Qiang Li, Xi'an Fan, Yu Meng Xu, Zhan Zhang, and Xiang Liang Wan. "Microstructure and Properties of Fe-6.5wt%Si Alloys Cores with Core-Shell Structures Prepared by Mechanical Alloying and Spark Plasma Sintering Methods." Advanced Materials Research 881-883 (January 2014): 980–85. http://dx.doi.org/10.4028/www.scientific.net/amr.881-883.980.

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In this work, the Fe-6.5wt%Si alloy cores with core-shell structures were prepared by Mechanical Alloying and Spark Plasma Sintering methods. The microstructure and magnetic properties of the samples were investigated with differential scanning calorimetry, X-ray diffraction, scanning electron microscopy and vibrating sample magnetometer. The results show that the synthesis of the Fe-6.5wt%Si powder with core-shell structures can be completion during mechanical alloying process. And the coreshell structure, Fe-6.5wt%Si as core and SiO2as shell, apparently exists in the sinter cores. The relati
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Saleh, Hoda H., Rehab Sokary, and Zakaria I. Ali. "Radiation – induced preparation of polyaniline/poly vinyl alcohol nanocomposites and their properties." Radiochimica Acta 107, no. 8 (2019): 725–35. http://dx.doi.org/10.1515/ract-2018-3003.

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Abstract Polyaniline (PANI) nanoparticles and PANI/poly vinyl alcohol (PVA) nanocomposite films were synthesized by the oxidative polymerization of aniline and ammonium peroxodisulfate (APS), as an oxidizing agent in aqueous medium. The PANI/PVA nanocomposite films were exposed to γ-irradiation after oxidative polymerization. Synthesized polyaniline (PANI) nanoparticles and PANI/PVA nanocomposite films were characterized by attenuated total reflectance infrared spectroscopy (FTIR-ATR), X-ray diffraction, high resolution scanning electron microscopy, (HRSEM) high resolution transmission electro
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Jiang, Hai Hui, Yan Zhou, Xiao Yun Han, Xin Cheng Chen, Yun Hua Hou, and Li Gang Gai. "Core-Shell Structured Fe3O4/PPy Microspheres with High Magnetization for Purification of Plasmid DNA." Advanced Materials Research 716 (July 2013): 314–19. http://dx.doi.org/10.4028/www.scientific.net/amr.716.314.

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Amino group-functionalized magnetic particles have wide applications in enzyme immobilization, DNA extraction, drug delivery, water purification, catalysis, and sensor. In this paper, Fe3O4/PPy microspheres with a well-defined coreshell structure have been prepared through an interfacial polymerization approach without surfactant. The magnetic composite spheres were characterized with XRD, FTIR, SEM, TEM, and magnetometry techniques, and further tested as the adsorbent to isolate plasmid DNA from Escherichia coli (E. coli) DH5α cells. The magnetic separation yields high-quality plasmid DNA in
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Vichitchote, Koravee, Poonsub Threepopnatkul, Supakij Suttiruengwong, and Chanin Kulsetthanchalee. "In Vitro Drug Release Activity from Core/Shell Electrospun MATS of sPLA-cPEG/GS and sPLA/CA-cPEG/GS." Materials Science Forum 714 (March 2012): 263–70. http://dx.doi.org/10.4028/www.scientific.net/msf.714.263.

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In this research, the core-shell structured fiber was fabricated by coaxial electrospinning technique. A set of biodegradable polymers namely polylactic acid (PLA) and cellulose acetate (CA) were used as the shell material. Gentamicin sulfate (GS) as antimicrobial drug with polyethylene glycol (PEG) was used as the core structure. PEG formed the core section of the coreshell fibers for GS encapsulation.In-vitrodrug release activity of the core-shell fibers was determined by total immersion method in pH 7.4 phosphate buffer solutions (PBS). It was found that core-shell fibers sPLA-cPEG/GS exhib
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Haurat, Margaux, and Michel Dumon. "Amorphous Polymers’ Foaming and Blends with Organic Foaming-Aid Structured Additives in Supercritical CO2, a Way to Fabricate Porous Polymers from Macro to Nano Porosities in Batch or Continuous Processes." Molecules 25, no. 22 (2020): 5320. http://dx.doi.org/10.3390/molecules25225320.

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Organic polymers can be made porous via continuous or discontinuous expansion processes in scCO2. The resulting foams properties are controlled by the interplay of three groups of parameters: (i) Chemical, (ii) physico-chemical, and (iii) technological/process that are explained in this paper. The advantages and drawbacks of continuous (extrusion, injection foaming) or discontinuous (batch foaming) foaming processes in scCO2, will be discussed in this article; especially for micro or nano cellular polymers. Indeed, a challenge is to reduce both specific mass (e.g., ρ < 100 kg·m−3) and cell
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Bao, Yuping, Hector Calderon, and Kannan M. Krishnan. "Controlled Synthesis and Characterization of Co-Au Core-shell Nanoparticles." MRS Proceedings 877 (2005). http://dx.doi.org/10.1557/proc-877-s3.4.

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AbstractCo-Au Core-shell nanoparticles are synthesized by slowly reducing an organo-gold compound on pre-made cobalt seeds with a weak reducer at mild condition. For the first time, these coreshell nanoparticles are generated in non-polar solvent in a controlled manner. The formation theory of core-shell structure, especially the seed size effect, is addressed as well. These coreshell structures are confirmed with a wide range of transmission electron microscopy (TEM) methods, which includes routine TEM images, high resolution TEM, and z-contrast imaging.
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Dissertations / Theses on the topic "Coreshell structures"

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Pishchagin, Anton. "Diameter engineering in III-V nanowire heterostructures - Experiments and modelling." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS516.

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Les nanofils (NWs) semi-conducteurs III-V présentent des propriétés physiques intéressantes pour diverses applications. Le potentiel de tels dispositifs ne se concrétisera pleinement que si on parvient à contrôler précisément ces propriétés. Cette étude porte sur les NWs auto-catalysés de GaAs et GaP fabriqués par épitaxie par jet moléculaire sur un substrat de Si, en mode vapeur-liquide-solide. Nous étudions expérimentalement et théoriquement des questions relatives au contrôle précis du diamètre d'un NW, notamment sa modification déterministe durant la croissance. Nous étudions la dynamique
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Conference papers on the topic "Coreshell structures"

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Pu, Ye, Rachel Grange, Chia-Lung Hsieh, and Demetri Psaltis. "Ultrasensitive second harmonic generation nanoprobes via plasmonic coreshell structures." In 11th European Quantum Electronics Conference (CLEO/EQEC). IEEE, 2009. http://dx.doi.org/10.1109/cleoe-eqec.2009.5191508.

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Park, Y. H., and I. Hijazi. "Properties of Bimetallic Core-Shell Nanoclusters." In ASME 2012 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/pvp2012-78242.

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Gold (Au) and copper (Cu) materials and their combination exhibit the most of the main wanted properties in nanostructures. Nobel metals such as Au and Cu have important magnetic, electronic, optical, catalytic and thermal properties. Compared to monometallic clusters, bimetallic nanoclusters have more degrees of freedom and distinct properties due to the presence of two different metals. It is also well known that the shape, surface topography, segregation, mixing, ordering, energetic stability, and electronic structures of bimetallic nanoclusters may depend significantly on their composition
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Psuja, P., L. Marciniak, D. Hreniak, and W. Strek. "Fabrication and optical properties of selected coreshell structures with nanocrystalline rare-earth doped phosphors coated with SiO2 submicron particles." In 2007 International Students and Young Scientists Workshop on "Photonics and Microsystems". IEEE, 2007. http://dx.doi.org/10.1109/stysw.2007.4559122.

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Petrov, Alexander Yu, Guoliang Shang, Lukas Maiwald, and Manfred Eich. "High-contrast structural color based on photonic glass from coreshell particles." In CLEO: Applications and Technology. OSA, 2020. http://dx.doi.org/10.1364/cleo_at.2020.jw2d.27.

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