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Dissertations / Theses on the topic 'Au@AuPd core−shell'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

Yan, Yueran. "CdTe, CdTe/CdS Core/Shell, and CdTe/CdS/ZnS Core/Shell/Shell Quantum Dots Study." Ohio University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1327614907.

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2

Santos, Marcus Carrião dos. "Magnetohipertermia em nanopartículas core-shell." Universidade Federal de Goiás, 2016. http://repositorio.bc.ufg.br/tede/handle/tede/6272.

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Submitted by Cássia Santos (cassia.bcufg@gmail.com) on 2016-09-26T11:37:12Z No. of bitstreams: 2 Tese - Marcus Carrião dos Santos - 2016.pdf: 18819776 bytes, checksum: c30d69dcb666acd99ab25efc73f7a96e (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2016-09-26T12:06:45Z (GMT) No. of bitstreams: 2 Tese - Marcus Carrião dos Santos - 2016.pdf: 18819776 bytes, checksum: c30d69dcb666acd99ab25efc73f7a96e (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Made availa

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3

Garlyyev, Batyr. "Synthesis and catalytic study of shell-shell, core-shell hollow gold nanocatalysts." Diss., Georgia Institute of Technology, 2016. http://hdl.handle.net/1853/54996.

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Metal nanoparticles have a large surface area to volume ratio compared to their bulk counterparts, which makes them attractive to use as catalysts. Atoms on the surface of metal nanoparticles are very active due to their high surface energy resulting from their unsatisfied valency. First synthesis of gold nanoparticles with different shapes and bimetallic structure are explored in detail. Then an experimental method which could distinguish between the two mechanisms (homogeneous or heterogeneous) by using hollow plasmonic gold nanocatalyst is developed. Furthermore the catalytic activity of go

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4

Raimondo, Giovanni. "Micelle polimeriche «Core-Shell» rivestite di polidopamina." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/16715/.

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L’obiettivo della presente tesi di laurea sperimentale è di sintetizzare copolimeri a blocchi con proprietà anfifiliche tramite polimerizzazione radicalica controllata e successiva funzionalizzazione per consentire la formazione di micelle polimeriche per un loro utilizzo nel campo del drug delivery. Utilizzando la tecnica RAFT sono stati sintetizzati il copolimero a blocchi PGMA-b-PBMA e PGMA-b-PMMA. Le caratteristiche anfifiliche sono state conferite mediante successiva funzionalizzazione degli anelli epossidici del PGMA con morfolina. In questo modo si ottengono copolimeri formati da un blo

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5

Vogt, Carmen Mihaela. "Engineered core-shell nanoparticles for biomedical applications." Licentiate thesis, KTH, Functional Materials, FNM, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-12708.

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<p>The necessity for synthesis of nanoparticles with well controlled size and morphology emerged with the development in recent years of novel advanced applications especially in biomedical related fields. These applications require nanoparticles with more complex architecture such as multifunctional nanoparticles (i.e. core–shell structures) that can carry several components with different embedded functionalities. In this thesis, we developed core–shell nanoparticles (CSNPs) with finely tuned silica shell on iron oxide core as model system for advanced applications in nanomedicine such as MR

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6

Etmimi, Hussein Mohamed. "Hydrophobic core/shell particles via miniemulsion polymerization." Thesis, Stellenbosch : University of Stellenbosch, 2006. http://hdl.handle.net/10019/539.

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7

D'Souza-Mathew, Mark. "Responsive core-shell particles : synthesis & behaviour." Thesis, University of Leeds, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614644.

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Responsive core-shell particles have attracted considerable attention over the last decade due to requirements imposed on materials to be more suited for their environment, with the provision to react accordingly when it changes. The responsive component in these cases is a polymer shell, with the core mostly introducing a static dimension, functioning as a structural support, and in some cases providing an indicator of stability. Generally, medium solvency is the key driving force for the behaviour of environmentally responsive polymer shells. To date, numerous novel techniques for the constr

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8

Sun, Qian. "Aqueous core colloidosomes with a metal shell." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/284921.

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Colloidosomes are microcapsules whose shells consist of colloid particles, which are coagulated by a stabiliser or fused by sintering. In recent years, they have attracted considerable attention because of their potential applications in a range of industries, such as food, bioreactors and medicine. However, traditional particulate polymer shell colloidosomes leak low molecular weight encapsulated materials due to their intrinsic shell permeability, and this problem will limit their applications in pharmaceutical industries. In this thesis, we report aqueous core colloidosomes coated with a si

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9

Zhao, Shujing. "Core-Shell Nanofiber Assemblies Containing Ionic Salts." University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1366808400.

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10

Jean, Deok-im. "CORE-SHELL NANOPARTICLES: SYNTHESIS, ASSEMBLY, AND APPLICATIONS." Miami University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=miami1374848575.

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11

Carroll, Kyler. "Core-Shell Nanoparticles: Synthesis, Design, and Characterization." VCU Scholars Compass, 2010. http://scholarscompass.vcu.edu/etd/2204.

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The design of core/shell nanoparticles is of great interest for a wide range of applications. The primary focus of this dissertation is on the design and optimization of two synthetic routes. The first one is an aqueous reduction method using sodium borohydride and sodium citrate. This method was extended to design two types of core/shell nanoparticles, both of which have many applications in bio-sensing, magnetic resonance imaging, and magnetically guided SERS for the identification of environmental threats. The first, Fe/Ag core/shell nanoparticles were designed using a novel one-pot method

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12

Mihajlović, Ana. "Syntéza core/shell kvantových teček pro diagnostiku." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-220857.

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This thesis deals with biosensors based on modified semiconductor core/shell quantum dots (QDs) for diagnosis. The work is divided into four main parts. The first one discusses the theory required for the use of QDs in bioaplications, there are described methods of synthesis, modification, application and bioconjugation of QDs. In the experimental part, CdTe/ZnS QDs with core/shell structure were prepared, in which the core was modified by MPA, GSH and TGA. In the next step, these QDs were further modified using CDI, EDC and NHS as mediators in order to increase affinity to BSA (bovine serum a

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13

Le, Thi Hoai [Verfasser]. "Jacobi No-Core Shell Model for P-shell Hypernuclei / Hoai Le Thi." Bonn : Universitäts- und Landesbibliothek Bonn, 2020. http://d-nb.info/121830135X/34.

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14

Stefani, Stefano [Verfasser]. "Core-shell and core-amphiphilic branched shell nanocarriers based on biodegradable hyperbranched polymers, as potential drug delivery systems / Stefano Stefani." Berlin : Freie Universität Berlin, 2016. http://d-nb.info/1104733854/34.

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15

Monte, de Oca Y. Maria G. "Electrocatalytic properties of Au-Pd core-shell nanostructures." Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.544332.

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16

Girgel, Ionut. "Development of InGaN/GaN core-shell light emitters." Thesis, University of Bath, 2017. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.720648.

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Gallium nitride (GaN) and its related semiconductor alloys are attracting tremendous interest for their wide range of applications in blue and green LEDs, diode lasers, high-temperature and high-power electronics. Nanomaterials such as InGaN/GaN core-shell three-dimensional nanostructures are seen as a breakthrough technology for future solid-state lighting and nano-electronics devices. In a core-shell LED, the active semiconductor layers grown around a GaN core enable control over a wide range of wavelengths and applications. In this thesis the capability for the heteroepitaxial growth of a p

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17

Hewlett, Sheldon A. "Incorporation of silica into baroplastic core-shell nanoparticles." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/35067.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2006.<br>Includes bibliographical references (p. 31-33).<br>Core-shell baroplastics are nanophase materials that exhibit pressure-induced flow at low temperatures and high pressures. Core-shell baroplastics used in this work are comprised of a low Tg poly(butyl acrylate) (PBA) core and a high Tg polystyrene (PS) shell. These novel polymer systems can be molded into fully formed, 3-D shapes with the application of high pressure at room temperature. While the mechanical properties are equivalent to

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18

Tang, Ming Y. 1979. "Modeling analysis of core-shell Si/SiGe nanowires." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/28734.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2004.<br>Includes bibliographical references (p. 111-113).<br>(cont.) a composition that results in a high mobility has a very promising thermoelectric performance. Lastly, the thermoelectric-related transport properties for a Si/SiGe core-shell nanowire are compared with the related properties for a Si nanowire and a SiGe nanowire. The Si/SiGe core-shell nanowire shows a better thermoelectric performance than its Si nanowire counterpart. On the other hand, by relaxing the harsh conditio

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19

Kriel, Haydn. "Polylactic acid core-shell fibres by coaxial electrospinning." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4289.

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Thesis (MSc (Chemistry and Polymer Science))--University of Stellenbosch, 2010.<br>ENGLISH ABSTRACT: The work presented in this dissertation describes the use of coaxial electrospinning of two miscible polymer solutions in the preparation of core-shell fibres with a semicrystalline core of poly(L-lactic acid) and an amorphous shell of poly(D,L-lactic acid). Additionally it describes using these fibres in the production of single polymer composite yarns and films. These materials can potentially be used in applications that require biodegradable and fibre-reinforced composite materials e.

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20

Wise, Anna MacDonald. "Characterisation of bimetallic alloy and core-shell electrocatalysts." Thesis, University of Southampton, 2012. https://eprints.soton.ac.uk/341819/.

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Core-shell electrocatalysts are of interest for the oxygen reduction reaction in proton exchange membrane fuel cells as enhancements in activity have been reported compared to the traditionally-used Pt/C electrocatalysts. To fully understand the origin of the activity of these samples, and how the structure changes in the electrochemical environment, full in situ structural characterisation is required. The aim of this work was to develop and apply in situ synchrotron based X-ray characterisation techniques (EXAFS, WAXS, SAXS and ASAXS) to study a set of well-defined Pd-core, Pt-shell electroc

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21

Knittel, Andreas. "Micromagnetic simulations of three dimensional core-shell nanostructures." Thesis, University of Southampton, 2011. https://eprints.soton.ac.uk/333186/.

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In the last 20 years, computer simulations, based on the micromagnetic model, have become an important tool for the characterisation of ferromagnetic structures. This work mainly uses the finite-element (FE) based micromagnetic solver Nmag to analyse the magnetic properties of ferromagnetic shell structures of different shapes and with dimensions below one micrometre. As the magnetic properties of structures in this size regime depend crucially on their shape, they have a potential towards engineering by shape manipulation. The finite-element method (FEM) discretises the micromagnetic equation

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22

Steger, Courtney Long. "Determinants of Core Shell Dependent Rotavirus Polymerase Activity." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/87755.

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Rotaviruses (RVs) are medically significant gastrointestinal pathogens and are a leading cause of childhood mortality in many countries. The RV RNA-dependent RNA polymerase, VP1, synthesizes RNA during viral replication only in the presence of another RV protein, VP2, which comprises the innermost core shell layer of the virion. Though these VP1-VP2 interactions are essential for RV replication, the mechanism by which the core shell regulates polymerase activity remains incompletely understood. Here, we sought to identify and characterize specific regions of both VP1 and VP2 that are requir

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23

Kapoor, Akanksha. "Core-shell InGaN/GaN wires for flexible LEDs." Thesis, Université Grenoble Alpes, 2020. http://www.theses.fr/2020GRALY013.

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Les hétérostructures planaires à base de puits quantiques InGaN/GaN sont désormais largement utilisées dans les diodes électroluminescentes (LED). Les LED bleues et les LED blanches à phosphores sont largement commercialisées avec des rendements d’émission de lumière très élevés. Néanmoins, il reste encore des problèmes à résoudre avec ce type de dispositifs : l’émission à plus grande longueur d'onde (rouge) avec de bonnes efficacités, le problème du la chute du rendement à forte puissance (« droop efficiency ») et l’amélioration de l’extraction de la lumière. Ce travail de thèse présente l'ut

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24

Smith, Marcus J. "ALUMINUM CORE-SHELL NANOPARTICLES: SYNTHESIS, PROPERTIES, AND APPLICATIONS." University of Dayton / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1281363438.

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25

Schwarb, Ryan Evan. "Synthesis and Characterization of Reactive Core-Shell Nanoparticles." University of Dayton / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1332256634.

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26

Khan, Simeen. "Colloidal PbS and PbS/CdS Core/Shell Nanosheets." Bowling Green State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1447955111.

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27

Brynolf, Max, and Rohini Sengupta. "Magneto-Plasmonic Gold & Nickel Core-Shell Structures." Thesis, Uppsala universitet, Materialfysik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-387353.

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The presented project explores the optical properties of magnetoplasmonic Au/Ni core-shell structures. The work aims at controlling dimensions and parameters in order to influence and analyze the optical properties of the nanostructures. The softwares utilized for the simulations were COMSOL Multiphysics 5.1 and MATLAB. Experimental results were acquired from labs done at Ångströms laboratory. From the research based study where the gold to nickel ratio was influenced, it was observed that the transmissions for the nanostructures at the differing wavelengths produced transmissions of similar b

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28

Dzhagan, V., A. G. Milekhin, M. Ya Valakh, et al. "Morphology-induced phonon spectra of CdSe/CdS nanoplatelets: core/shell vs. core–crown." Universitätsbibliothek Chemnitz, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-219936.

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Recently developed two-dimensional colloidal semiconductor nanocrystals, or nanoplatelets (NPLs), extend the palette of solution-processable free-standing 2D nanomaterials of high performance. Growing CdSe and CdS parts subsequently in either side-by-side or stacked manner results in core–crown or core/shell structures, respectively. Both kinds of heterogeneous NPLs find efficient applications and represent interesting materials to study the electronic and lattice excitations and interaction between them under strong one-directional confinement. Here, we investigated by Raman and infrared spec

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29

Cho, Sung-Jin. "Synthesis and characterization of core/shell structured magnetic nanomaterials /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2005. http://uclibs.org/PID/11984.

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30

Leonarduzzi, Daniele. "Synthetic core-shell nanoparticles and their application in catalysis." Thesis, University of Oxford, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.547607.

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31

Fischer, Wiebke [Verfasser]. "siRNA transfection with dendritic core-shell nanocarriers / Wiebke Fischer." Berlin : Freie Universität Berlin, 2012. http://d-nb.info/1026695244/34.

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32

Lawrence, Katherine. "Core-shell functionalised carbon nanoparticles : synthesis, electrochemistry, and fluorescence." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.577746.

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Carbon nanoparticles constitute a class of important materials that have uses in many different fields. This thesis focuses on the synthesis and surface modification of different carbon nanoparticles and each novel nanomaterial is demonstrated to have a specific sensing application. Carbon blacks play a significant role in the research that is presented herein. Emperor 2000, a commercial bulk-produced carbon black available from Cabot Corporation, is the starting material for many of the investigations. The surface of Emperor 2000 is shown to be susceptible to physisorption, through π-π stacki

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33

Hu, Yuhua Ph D. Massachusetts Institute of Technology. "pH-sensitive core-shell nanoparticles for intracellular drug delivery." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/42942.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 2008.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Vita.<br>Includes bibliographical references (p. 193-208).<br>Therapeutics such as proteins, DNA, or siRNA, can only exert their function in the cell cytosol or nucleus. However, most of them are cell membrane impermeable molecules that can only be taken up by cells via endocytosis or phagocytosis. Such drug molecules are thus confined in endolysosomes

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34

Yow, Huai Nyin. "Formation and characterisation of liquid core/polymer shell microcapsules." Thesis, University of Cambridge, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.612337.

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35

Wu, Feng-Ling, and 吳鳳玲. "AuPt Core-Shell Nanoparticles on Polyaniline Nanofibers as Cathode for Direct Methanol Fuel Cells." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/27881064511414701761.

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碩士<br>雲林科技大學<br>化學工程與材料工程研究所<br>99<br>A pure Pt cathode catalyst in direct methanol fuel cell is not only favored for oxygen reduction reaction (ORR) but also for the unwanted oxidation of methanol (MOR) that permeates from the anode. However, once methanol reaches the cathode, the Pt sites that should be performing the reduction of O2 begin to oxidize methanol instead (or parallel), generating the so called mixed potentials. Besides, it is well known that Pt is considered as the best single metal catalyst for methanol oxidation, but the poisoning of Pt catalyst by intermediate such as COads i

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36

Tso, Shuen, and 左璿. "CdS-ZnO Core-Shell Nanowires and CdS-Cu2S Core-Shell Nanowires for Hydrogen Generation." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/68610241052663527116.

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碩士<br>國立清華大學<br>材料科學工程學系<br>104<br>With the increasing awareness of environmental issues, the renewable energy production has become urgent. Hydrogen is considered to be the promising fuel for the next generation. In this work, we construct novel nano-structures for hydrogen generation. CdS-ZnO core-shell nanowires and CdS-Cu2S core-shell nanowires were synthesized. First, crystalline CdS nanowires were synthesized in a three heating zone diffusion furnace through a VLS growth method. The ZnO shell was deposited with RF sputtering, and the Cu2S shell was achieved with cation exchange method. T

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37

Zhang, Li. "Thermally-responsive core-shell particles." 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3270676.

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38

Zhi-KaiChen and 陳智凱. "Core size effect of plasmonic property in shell thickness-controlled Au-Pd core-shell nanocubes." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/gubsp2.

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Dibbern, Elizabeth Marie. "Core-shell microspheres for biomedical applications /." 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3269879.

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Thesis (Ph. D.)--University of Illinois at Urbana-Champaign, 2007.<br>Source: Dissertation Abstracts International, Volume: 68-07, Section: B, page: 4466. Adviser: Kenneth S. Suslick. Includes bibliographical references. Available on microfilm from Pro Quest Information and Learning.

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Chen, Wan-tze, and 陳菀澤. "Synthesis of core-shell Raman markers." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/27758461621270957254.

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碩士<br>國立中正大學<br>化學所<br>94<br>The common method for DNA detecting is using matrix surface to bind single-stranded DNA and to capture single-stranded complementary DNA. The combinatorial DNA microarray is one of this type of detection, but it costs a lot and is very time-consuming in manufacturing. Comparing colloid nanoparticle with the combinatorial DNA microarrays, we can see the colloid nanoparticle is cheaper in producing. Consequently, we adopt the method of the colloid nanoparticle instead of the method of the combinatorial DNA microarrays. Fluorescence dyes are commonly used as optical b

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Jen, Hsueh Wen, and 薛文仁. "Core Shell Rubber Modified Epoxy (II)." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/34299265555872096697.

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碩士<br>國立中央大學<br>化學工程研究所<br>83<br>The purpose of this paper was to investigate about the influnce of core shell rubber modified epoxy resins. The various core shell rubbers whose shell contain different functional groups, which cause different dispersious, bimodal particle size distribution, and different partical diameter in core shell rubber modified exoxies was discussed.

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42

"(Plasmonic metal core)/(semiconductor shell) nanostructures." 2014. http://library.cuhk.edu.hk/record=b6115287.

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通過與具有表面等離子體激元特性的金屬納米晶複合，半導體納米材料的捕光能力可以得到很大地提高。銀、金納米晶因其獨特的表面等離子體特性，已被廣泛應用于半導體複合物的製備。其中通過沉積或者粘合方式得到的複合物存在一定弊端，比如：金屬納米晶暴露在實驗環境中，導致其團聚、變形、脫落、或者長大，使原有的獨特表面等離子特性改變或消失。核/殼結構納米材料可以有效地避免以上問題，因而表現出優越的光活性。爲了進一步拓寬金屬/半導體核/殼結構在光能捕獲方面的應用，我们需要深入理解製備過程中表面等離子體激元特性及材料結構的變化、設計合成新的納米材料。在這篇畢業論文中，我研究了在製備Ag/Ag2S核/殼結構過程中的表面等離子體特性及材料結構的變化，制備了Au/TiO₂核/殼結構，并對他們的應用及表面等離子體共振激元特性進行了研究。<br>理解硫化過程有助於更好的控制其表面等離子體特性和結構組成。因此，我分別從實驗和數值模擬兩方面研究了銀納米立方塊在硫化過程中表面等離子體特性及其相應Ag/Ag₂S 核/殼的組成及結構的變化。硫化反應分別在溶液及單顆粒環境下進行。同時，我們應用數值模擬計算揭示硫化過程中表面等離子體特性及模式變化。實驗和數值計算均表明硫化反應首先發生在銀納米立方塊的棱角和頂點。隨著反應的進行，銀立方塊被逐步鈍化為球狀銀納米顆粒。與此同時，納米立方結構的尺寸也隨之小幅增加。<br>二氧化鈦是一種重

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Ya, Wang Tzu, and 王姿雅. "Nanometer Scale Core/Shell Rubber Particle." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/17388297409145883865.

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碩士<br>輔仁大學<br>化學系<br>89<br>Epoxy resin is the widely used engineering polymer. However their toughening properties are very poor. Using core-shell particle techniques can solve the problem. In our study, the nanometer core-shell latex particles are prepared using emulsion polymerization. About the silicon rubber core, owing to it superior flexibility and thermal stability, are prepared by emulsion polymerization of polydimethylsiloxane (PDMS), tetraethylorthosilicate (TEOS), and γ-methacryloxy propytrimthoxysiloxane (γ-mps) in the presence of tin catalyst and emulsifier. The shell c

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Hsun, Lai Yi, and 賴怡旬. "Core-Shell Particles Toughened Epoxy Resins : Polysiloxane as Core Material." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/42829367344496470407.

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碩士<br>輔仁大學<br>化學系<br>87<br>Epoxy resins are widely used engineering polymers. However, their toughening properties are very poor. It is very difficult to control the rubber domain size, morphology, and composition which are factors might influence the toughening mechanism. The problem can be solved by using core-shell particles techniques. In our study, core-shell latex particles are prepared using a two-stage emulsion polymerization. Silicon rubber core, owing to its superior flexibility and thermal stability, are prepared by emulsion polymerization of polydimethyl-siloxane (PDMS),

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鄞仁文. "Core-Shell Particles Toughened Epoxy Resins : Polysiloxane as Core Material." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/23257244907180127748.

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碩士<br>輔仁大學<br>化學系<br>89<br>Epoxy resins are widely used as coating, structural adhesives, and advanced composite matrices in many application. However, the poor fracture toughness of epoxies is a major disadvantage limiting their application. Therefore, an improvement of epoxy resins was expected. In our study, the modifier, we prepared polydimethylsiloxane(PDMS) rubber particles. The rubber particles was composed of α,ω-silanol polydimethylsiloxane (PDMS), tetraethylorthosilicate(TEOS), and 3-glycidoxypropyltrimethoxy silane(Z-6040) owing to its superior flexibility and thermal sta

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Lee, Cheng-Tse, and 李承澤. "First-principles Analyses of Unusual Ferromagnetism Observed in CoSi (Core)/SiO2 (Shell),CrSi2 (Core)/SiO2 and FeSi (Core)/SiO2 (Shell) Nanocables." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/29762703539216291910.

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碩士<br>國立清華大學<br>材料科學工程學系<br>99<br>First-principles density functional theory-based with spin-polarized calculations were used to investigate CoSi/SiO2 ,CrSi2/SiO2 and FeSi/SiO2 nanowires. The CoSi,CrSi2 and FeSi in bulk are diamagnetic and paramagnetic , but the ferromagnetism in CoSi/SiO2 ,CrSi2/SiO2 and FeSi/SiO2 nanowires was observed. Due to the distorted /dangling bonds in surface , the electron spin up and spin down in d-orbital from transitional metal atoms become asymmetric. Nanowires grows direction and side direction is determined by high resolution TEM and set side direction linking

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van, Embden Joel Leonard. "Synthesis and optical properties of CdSe core and core/shell nanocrystals." 2008. http://repository.unimelb.edu.au/10187/3225.

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The synthesis of nanocrystals is unique compared to the formation of larger micron-sizesspecies as the final crystal sizes are not much larger than the primary nuclei. As a consequencethe final outcome of a nanocrystal synthesis i.e mean crystal size, concentrationand standard deviation is almost solely determined by the end of the nucleation phase. Directingthe growth of crystals beginning from aggregates of only tens of atoms into maturemonodisperse nanocrystals requires that the governing kinetics are strictly controlled at everymoment of the reaction. To effect this task various different

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洪雅瑟. "Core-Shell Rubber Particles Toughened Epoxy Resins: Polysiloxane as Core Materials." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/19097884080455905511.

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"Synthesis and plasmonic understanding of core/satellite and core@shell nanostructures." 2015. http://repository.lib.cuhk.edu.hk/en/item/cuhk-1292020.

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Ruan, Qifeng = 衛星及核殼納米結構的合成與表面等離激元特性研究 / 阮琦鋒.<br>Thesis Ph.D. Chinese University of Hong Kong 2015.<br>Includes bibliographical references.<br>Abstracts also in Chinese.<br>Title from PDF title page (viewed on 16, December, 2016).<br>Ruan, Qifeng = Wei xing ji he qiao na mi jie gou de he cheng yu biao mian deng li ji yuan te xing yan jiu / Ruan Qifeng.

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Tseng, Chih-Hsiang, and 曾致翔. "Synthesis of Au@TiO2 Core-Shell Nanoparticles." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/fdpr43.

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碩士<br>國立臺北科技大學<br>有機高分子研究所<br>99<br>This thesis included two parts. In the first part, we synthesized the gold nanoparticles (Au-NP) by reducing of hydrogen tetrachloroaurate (HAuCl4) by sodium thiocyanate (NaSCN) and sodium citrate (Na3-citrate). The thiocyanate ions adsorbed on Au-NP form self-assembled monolayers on Au-NP to make dispersion of Au-NP in the solution.. The size of Au-NP was as small as 4 nm. Using Na3-citrate as reducing and stabilizing reagent, the diameter of the Au-NP is about 16 to 17 nm. The second part of the thesis is to apply a one-pot hydrothermal reaction to synthes

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