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Dissertations / Theses on the topic 'Au/Cu nanowire'

Author: Grafiati

Published: 1 April 2023

Last updated: 31 July 2025

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1

ZALAFFI, MARIA SOLE. "Metal nanostructures decorated with silver nanostars: a novel highly efficient SERS substrate for dyes and pigments detection." Doctoral thesis, Università degli Studi di Trieste, 2020. http://hdl.handle.net/11368/2963765.

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The detection of artistic molecules such as dyes and/or pictorial binders employed in the field of Cultural Heritage requires more and more sensitive techniques. The surface enhanced Raman spectroscopy (SERS) represents a valuable option due to its ability to reveal molecules adsorbed or bound onto nanostructured interfaces. In order to maximize the enhancement of the Raman effect, different Ag and Au nanomaterials where bound together to produce hierarchical structures. In particular, silver nanostars (AgNSs) were chosen because of the strong enhancement caused by their anisotropic shape and

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2

Riminucci, Alberto. "Electrodeposited superconducting Pb, Pb-Cu and Pb-Co nanowires." Thesis, University of Bristol, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.404088.

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3

Böhnert, Tim [Verfasser], and Kornelius [Akademischer Betreuer] Nielsch. "Magneto-thermopower and Magnetoresistance of Co-Ni Alloy and Co-Ni/Cu Multilayered Nanowires. / Tim Böhnert. Betreuer: Kornelius Nielsch." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2014. http://d-nb.info/1052996698/34.

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4

Hashemi, Hossein [Verfasser], Wolfram [Akademischer Betreuer] Hergert, Kalevi [Akademischer Betreuer] Kokko, and Arthur [Akademischer Betreuer] Ernst. "First principles study of magnetic properties of nanowires on Cu surfaces / Hossein Hashemi. Betreuer: Wolfram Hergert ; Kalevi Kokko ; Arthur Ernst." Halle, Saale : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2015. http://d-nb.info/1067098690/34.

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5

Латишев, Віталій Михайлович, Виталий Михайлович Латышев та Vitalii Mykhailovych Latyshev. "Механизмы роста 3D-структур C, Cu, Zn в условиях околоравновесной стационарной конденсации". Thesis, СумГУ, 2015. http://essuir.sumdu.edu.ua/handle/123456789/39759.

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Дисертаційна робота присвячена вивченню закономірностей структуроутворення 3D-систем C, Cu і Zn за умов конденсації слабопересичених парів і при використанні як класичного методу магнетронного розпилення, так і накопичувальної системи плазма-конденсат (НСПК). При використанні НСПК установлені технологічні умови формування на основі вуглецю наносфер і мікросфер, на яких у подальшому зароджуються нановолокна. Створено математичну модель, яка адекватно описує процес дозрівання за Оствальдом приблизно однакових за розміром кулястих острівців міді. На прикладі трьох серій експериментів з осадження

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6

Gilbert, Benjamin. "Synthèse de films nanocomposites Ag/YSZ, Ag/CGO & Ag(Cu)/CGO par pulvérisation cathodique magnétron réactive pour l’électrocatalyse de l’éthylène en oxyde d’éthylène." Electronic Thesis or Diss., Université de Lorraine, 2020. http://www.theses.fr/2020LORR0257.

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L’oxyde d’éthylène (OE) est un précurseur de nombreuses réactions de chimie fine. Il est produit par la réaction d’époxydation de l’éthylène sur un catalyseur à base d’argent. Néanmoins, afin d’atteindre des sélectivités élevées, le procédé industriel utilise des additifs chlorés dans la phase gaz peu écologiques et des modérateurs alcalins sur le catalyseur. L’objectif de cette étude est d’augmenter la sélectivité vers OE sans utilisation de promoteurs chlorés grâce à des électrocatalyseurs Ag/oxydes à structure fluorite synthétisés en couche mince par pulvérisation cathodique magnétron en at

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7

Chang, Hong-Da, and 張宏達. "The fabrication of Cu nanowire." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/45817584357578501894.

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碩士<br>國立清華大學<br>電子工程研究所<br>91<br>We developed the electrochemical displacement method for Cu nanowire formed by replacing the silicon and the amorphous-silicon on SiO2/Si structure with electron beam lithography. The various line width from 0.1μm to 0.2μm were patterned by e-beam resist DSE1010 exposed with dose 6mC/cm2. Oxygen-plasma treatment is used to transfer the surfaces of the e-beam resist DSE1010 from hydrophobia to hydrophilia. The width of the e-beam resist DSE1010 diluted with tolene (1:1) after 30w oxygen-plasma treatment with time 30 sec was 0.18μm. The resist flow p

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8

Chen, Cheng-Chi, and 陳政琦. "The Study of Synthesis of Cu-Doped RuO2 Nanowires and the Electrical Property of a Single Cu-Doped RuO2 Nanowire." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/71673959957270976467.

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9

Sutrakar, Vijay Kumar. "A Computational Study of Structural and Thermo-Mechanical Behavior of Metallic Nanowires." Thesis, 2013. http://etd.iisc.ac.in/handle/2005/3370.

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This thesis is an attempt to understand ways to improve thermo-mechanical and structural properties of nano-structured materials. A detailed study on computational design and analysis of metallic nanowires is carried out. Molecular dynamic simulation method is applied. In particular, FCC metallic nanowires, NiAl, and CuZr nanowires are studied. Various bottom-up approaches are suggested with improved structural and thermo¬mechanical properties. In the first part of the thesis, Cu nanowires are considered. Existence of a novel and stable pentagonal multi-shell nanobridge structure of Cu under

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10

Sutrakar, Vijay Kumar. "A Computational Study of Structural and Thermo-Mechanical Behavior of Metallic Nanowires." Thesis, 2013. http://etd.iisc.ernet.in/2005/3370.

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This thesis is an attempt to understand ways to improve thermo-mechanical and structural properties of nano-structured materials. A detailed study on computational design and analysis of metallic nanowires is carried out. Molecular dynamic simulation method is applied. In particular, FCC metallic nanowires, NiAl, and CuZr nanowires are studied. Various bottom-up approaches are suggested with improved structural and thermo¬mechanical properties. In the first part of the thesis, Cu nanowires are considered. Existence of a novel and stable pentagonal multi-shell nanobridge structure of Cu under

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11

Lai, Chien Ming, and 賴建銘. "Bilayer Prelithiated Ge/Cu and Si/Cu Nanowire Fabric as an Anode for Lithium Ion Capacitors." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/zj73x8.

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碩士<br>國立清華大學<br>化學工程學系<br>104<br>At present, due to the development of portable device and electric vehicles, high energy density isn’t the only purpose required. Possessing high power density is another issue which needs to be considered. An electrical device containing both high energy density and high power density will be the most wanted result. As a result, a lithium ion capacitor has been designed by using pre-lithiated germanium/copper and silicon/copper nanowire fabric for negative electrodes with activated carbon for positive electrodes. For germanium, the performance is 200 F g-1 at

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12

Fan, Hsin-Hsin, and 范馨心. "Flower-like Cu/CuxO Nanowire Array Electrodes for Non-enzymatic Glucose Sensing." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/2s292r.

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13

Wu, Chung-Ying, and 吳忠縈. "Fabrication and structure properties of multilayered CoNi/Cu nanowire arrays electrodeposited in AAO templates." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/92260154992008586336.

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碩士<br>南台科技大學<br>化學工程與材枓工程系<br>97<br>In this study, the multilayered CoNi/Cu nanowire arrays is prepared by using the arrays nanoporous of anodic aluminum oxide membrane as a template (AAO template ) with electrodeposition method. The diameter of AAO pores is about 250nm, 90nm and 70nm, respectively. The CoNi/Cu nanowire arrays were deposited at various electrolytic condition. The optimum electrolytic conditions had been investigated. Furthermore, we changed in non-ferromagnetic layer thickness, Co/Ni ions concentration and pore diameter of AAO, and its microcrystalline structure and magnetic p

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14

Jiang, Zhi-Xuan, and 姜智軒. "Hopping conduction in Si nanowires containing Cu nanoparticles." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/80850797695808669416.

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碩士<br>國立交通大學<br>物理研究所<br>101<br>The material of our experiment is Si nanowires containing copper silicide nanoparticles, and the nanoparticles are randomly distributed in nanowires. We measured the correlation of resistivity and temperature. We found that for samples containing higher resistivity, electronic diffusion follows activated laws. For having lower resistivity samples, the transport properties follow Efros-Shklovskii T^(-1/2) variable range hopping (VRH) laws. This feature may verify electrons cotunneling in nanowires. For sample having the lowest resistivity, we further found the Mo

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15

QIU, HONG-XIANG, and 邱泓翔. "Studies of Electroplating Cu-Film and Cu-Nanowires in The Supercritical Carbon Dioxide." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/h32476.

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碩士<br>國立中正大學<br>化學工程研究所<br>105<br>This study is to investigate the characteristic of copper electroplating in supercritical carbon dioxide(SC-CO2) electroplating process, and to apply this technology to produce Cu-nanowires in anodic aluminum oxide template. SC-CO2 is electroplating with operation pressure form 10.2 to 20.4MPa and temperature at 35℃, fixed rotational speed 350 rpm. Experimental result reveals, that the Cu-film is polycrystalline structure, and that the grain size of the Cu-film decreases with increasing pressure under SC-CO2 electroplating. According to the reference：(i) press

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16

Hsu, Chao Wei, and 徐肇蔚. "Synthesis and characterization of Cu-Ni core-shell nanowires." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/u22gj5.

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碩士<br>國立清華大學<br>材料科學工程學系<br>103<br>Due to it’ s good conductivity and low-cost property, copper (Cu) is often used as interconnect and flexible transparent conductive film material with the introduction of nano-processing. Therefore, many studies try to analyze the properties of copper in nanoscale, such as nanowires (NWs). Twin is a common microstructure in metals. It has been demonstrated that nano-twinned copper have high mechanical strength, good conductivity, and moreover, superior electromigration resistance. In our previous study, we have successfully fabricated Cu NWs with high density

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17

Chang, Chia-je, and 張嘉哲. "Plastic Behavior Analysis of Cu Nanowires Including 3-D Defects." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/baptqd.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>95<br>This study analyzes mechanical behaviors of defective Cu nanowires with three different orientations during uniaxial tension, using a molecular dynamic simulation. The investigation designs the various shapes and orientations of closed cracks inside nanowires and studies the influences of the cracks on the strength, deformation mechanism, dislocation emission. The embedded-atom-method (EAM) potential is employed to describe the atomic interactions. Analysis results demonstrate that if the leading dislocation are emitted from cracks, the strength of the defectiv

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18

I-FangHuang and 黃翊芳. "Self-catalytic growth and optical properties of Cu-doped In2O3 nanowires." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/62571985741752035300.

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19

Li, Huaifeng. "Development of Copper-Catalyzed Electrophilic Trifluoromethylation and Exploiting Cu/Cu2O Nanowires with Novel Catalytic Reactivity." Diss., 2014. http://hdl.handle.net/10754/324142.

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This thesis is based on research in Cu-catalyzed electrophilic trifluoromethylation and exploiting Cu/Cu2O nanowires with novel catalytic reactivity for developing of catalytic and greener synthetic methods. A large number of biological active pharmaceuticals and agrochemicals contain fluorine substituents (-F) or trifluoromethyl groups (-CF3) because these moieties often result in profound changes of their physical, chemical, and biological properties, such as metabolic stability and lipophilicity. For this reason, the introduction of fluorine or trifluoromethyl groups into organic molecules

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20

Lin, Pei-shih, and 林珮詩. "Novel One-Step Fabrication of Cu-Doped ZnO Nanowires for Photocatalytic Applications." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/74394912991506683470.

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21

Lu, Yi-Cang, and 盧逸滄. "Influence of electrodeposition temperature and current density on microstructure of Cu nanowires." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/91047217582696321125.

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碩士<br>國立清華大學<br>材料科學工程學系<br>100<br>Copper is often used as a interconnect material with the introduction of nano-processing. Therefore, it is important to understand the properties of copper in nanoscale, such as nanowires. Properties of material are closely related to its microstructure. For example, different crystal orientation may affect mechanical and electrical properties of materials and their applicability on integrated circuits and nano-devices. Twin structure is one of the microstructure in material. Nano-twinned copper is known to have high mechanical strength, decent electrical con

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22

Pen, Dar-Jen, and 彭達仁. "Microbehavior Analysis of Cu Nanowires under uniaxial loading by Molecular Dynamics Simulation (MD)." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/42926018929411556750.

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博士<br>國立臺灣科技大學<br>機械工程系<br>96<br>This study analyzes mechanical properties and deformation behaviors of Cu nanowires with uniaxl loading states (tension and compression), different strain rates and orientations by molecular dynamics. In this work, the maximum local stress calculated method (MLS) is proposed to validly elucidate the true stress of nanowires under uniaxial loading, in order to improve the problem that that the Virial stress(VS) is easy to undervalue the flow stress during plastic deformation. In addition, the concept of the minimum response time for yielding is proposed to expl

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23

Huang, Chun-Lung, and 黃俊龍. "Corrosion and oxidation behavior of Cu nanowires with high-density nanoscale twin boundaries." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/wq8qdv.

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博士<br>國立清華大學<br>材料科學工程學系<br>106<br>Copper (Cu) is an important conductive material used in microelectronic integrated-circuit devices due to its high electrical conductivity and low cost. However, Cu also suffers some intrinsic drawbacks such as oxidation and fast atomic diffusion, which would degrade device performance and even cause reliability problems. Cu metallization with highly dense nanoscale twin boundaries (nanotwinned Cu) have received wide attention because it possesses some excellent properties such as high tensile strength, good electromigration resistance and excellent thermal s

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24

Hsu, Chin Yu, and 許晉瑜. "Synthesis and characterization of Cu−Ag core-shell nanowires for transparent conductive film applications." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/13928614698651458716.

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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>Transparent conductive films (TCFs) are essential components in many optoelectronic devices. Indium tin oxide (ITO) that possesses high transmittance ( > 90 T%) and low sheet resistances ( <10 Ωsq−1 ) has been widely employed in TCFs. The development of flexible electronic devices drives the need of the TCFs on flexible substrates. However, the brittleness of ITO and the low throughput of the vapor-phase sputtering process on plastic substrate restricted the applicability of ITO on the flexible electronic devices. Looking for alternatives to the next-generat

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25

Wang, Chuan Ying, and 汪傳穎. "Synthesis and characterization of Cu-Ni core-shell nanowires for flexible transparent conducting film applications." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/586saq.

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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>The increasing demand for flexible electronic devices drives the need for alternative materials other than indium tin oxide (ITO) as transparent conducting films (TCFs). Dispersing metallic nanowires on a polymer substrate appears to be a good solution for flexible TCFs. Among various metallic nanowires (NWs) used in TCFs, Cu based NW has been considered a potential candidate because of its cost advantage and good electrical properties. In our previous study we introduced dense nanoscale twinning structure in Cu NWs that was deposited in porous anodic aluminu

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26

Elshewy, Ahmed M. "Efficient C-O and C-N bond forming cross-coupling reactions catalyzed by core-shell structured Cu/Cu2O nanowires." Thesis, 2013. http://hdl.handle.net/10754/306734.

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Oxygen and Nitrogen containing compounds are of utmost importance due to their interesting and diverse biological activities. The construction of the C-O and C–N bonds is of significance as it opens avenues for the introduction of ether and amine linkages in organic molecules. Despite significant advancements in this field, the construction of C-O and C–N bonds is still a major challenge for organic chemists, due to the involvement of harsh reaction conditions or the use of expensive catalysts or ligands in many cases. Thus, it is a challenge to develop alternative, milder, cheaper and more re

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27

MAREPALLY, BHANU CHANDRA. "Production of Solar Fuels using CO2." Doctoral thesis, 2017. http://hdl.handle.net/11570/3107057.

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Alla luce del recente allarmante tasso di esaurimento delle riserve di combustibili fossili e al contemporaneo drastico aumento dei livelli di CO2 nell'atmosfera, principale gas serra responsabile del riscaldamento globale e di cambiamenti climatici molto gravi, una delle priorità assolute nella ricerca a livello mondiale è quella di sfruttare il più possibile le fonti di energia rinnovabile. Una possibilità molto interessante è quella di realizzare un processo di riduzione della CO2 a combustibili liquidi che sfrutti energie rinnovabili, quale quella solare, mediante dispositivi più comunemen

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