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Dissertations / Theses on the topic 'Mesh electrodes'

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1

Hayward, Robert M. "A coarse mesh transport method for photons and electrons in 3-D." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/51928.

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A hybrid stochastic-deterministic method, COMET-PE, is developed for dose calculation in radiotherapy. Fast, accurate dose calculation is a key component of successful radiotherapy treatment. To calculate dose, COMET-PE solves the coupled Boltzmann Transport Equations for photons and electrons. The method uses a deterministic iteration to compose response functions that are pre-computed using Monte Carlo. Thus, COMET-PE takes advantage of Monte Carlo physics without incurring the computational costs typically required for statistical convergence. This work extends the method to 3-D problems wi
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2

Matsfelt, Johanna. "Study on the influence of the electrode tilt angle in GTAW doing CFD simulation of the heat source." Thesis, Högskolan Väst, Avd för maskinteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-5801.

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3

Liang, Zhenxing. "Preparation of high-durability membrane and electrode assemblies for direct methanol fuel cells /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?MECH%202008%20LIANG.

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4

Tyson, Alexandra Louise. "Making a MESS : a Multi-Experiment Spectral Suite for studying hydrated electrons." Thesis, Durham University, 2019. http://etheses.dur.ac.uk/12971/.

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In this work, the design and implementation of a Multi-Experiment Spectral Suite (MESS) is described. The MESS currently contains two time-resolved experiments - Transient Absorption (TA), and Second Harmonic Generation (SHG) - but has been designed with a view to expansion. The primary species of interest to be studied is the hydrated electron. As an electron is generated during water ionization, its hydrated form is significant within many scientific processes including, but not limited to, biological chemistry and tissue damage, atmospheric chemistry and nuclear chemistry. However, the majo
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Oliveira, TÃlio Ãtalo da Silva. "Desenvolvimento de sensores eletroquÃmicos para detecÃÃo de molinato e Ãxido nÃtrico." Universidade Federal do CearÃ, 2013. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=10071.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>O presente trabalho ilustra o desenvolvimento de uma rota sintÃtica para a obtenÃÃo de uma meso-metaloporfirina, a partir de uma meso-porfirina base livre, macromolÃcula derivada do LÃquido da Casca da Castanha de Caju (LCC), subproduto do agronegÃcio do caju. A obtenÃÃo dessas espÃcies seguida de estudos preliminares da modificaÃÃo da superfÃcie do eletrodo de ouro com a meso-metaloporfirina de cobre com aplicaÃÃo para sensor de NO (Ãxido NÃtrico) tambÃm compÃe os objetivos desse trabalho. A partir do processo de metalaÃÃo,foi sin
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Lee, Ming-Hsuan, and 李明軒. "Flexible Electret Energy Harvester with Copper Mesh Electrodes." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/74qhya.

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碩士<br>國立交通大學<br>電信工程研究所<br>103<br>Energy harvesting is the process of scavenging energy from ambient energy sources in environment to serve as power supply for low-power electronics devices. By Micro-Electro-Mechanical System (MEMS) fabrication technology, energy harvesting system can be integrated with low-power devices. For invasive devices in biomedical applications, batteries are discouraged due to its cost of operations for replacement. Therefore, energy harvesting is more suitable then batteries for low-power devices. Human motion which is usually complicated and aperiodic can be an ener
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Boenninghoff, Niklas, and Niklas Boenninghoff. "Preparation and Characterization of Micron Scale Molybdenum Metal Mesh Electrodes." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/46847251867632900461.

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碩士<br>國立臺灣科技大學<br>材料科學與工程系<br>105<br>Transparent conductive oxide (TCO) electrodes find application in a wide variety of devices, like light-emitting diodes, displays and solar cells. TCOs however are not suitable for high temperature manufacturing processes like CIGS (Copper Indium Gallium Diselenide) thin film processing, which takes place at 500°C to 600°C and suffer from a number of different drawbacks. The electrode on which CIGS is deposited must be stable at these temperatures. To realize a tandem cell, both, front and back contact of a cell must be transparent. In this work a molybden
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8

Wang, Yu-Cheng, and 汪昱呈. "Development of Fabrication Technique for Multifunctional Embedded Metal-mesh Transparent Electrodes." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/37145716510340763479.

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碩士<br>國立中央大學<br>機械工程學系<br>105<br>This thesis aims at developing a fabricating technique for metal-mesh transparent electrodes. The approach includes the uses of the screen printing method for patterning metal mesh on a glass substrate and the lift-off method for embedding the printed mesh into a flexible polyimide substrate. As the screen printing is a fast and straightforward mass production method, it has the potential for replacing the current time and energy consuming vacuum coating process. The first part of this thesis discusses the basic characteristics of the fabricated metal mesh
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9

CHANG, BO‐HSIANG, and 張博翔. "UV assisted soft imprinting of metal mesh based transparent electrodes for OLED lighting." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/kpwrbg.

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10

Yu, Po-Chin, and 游博進. "Development and Characterization of Inkjet-Printed-Silver and Conducting Polymer Transparent Mesh-Type Electrodes." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/32164937553865444636.

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碩士<br>國立清華大學<br>動力機械工程學系<br>102<br>Transparent conductive films has been widely used in solar cells, LED and consumer electronics as a medium of electric current and light. Its conductivity and transmittance affect the efficiency of these devices. The mainstream material for transparent conductor is ITO (indium tin oxide) in recent years. However, the price of ITO has increased dramatically due to the huge demand and the strained supply of indium. Seeking the replacement materials for ITO becomes an important issue, and the way how to fabricate a transparent conductor with comparable conductiv
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11

"Composite Electrodes With Immobilized Bacteria Bioanode and Photosynthetic Algae Biocathode for Bio-Batteries." Thesis, 2014. http://hdl.handle.net/10388/ETD-2014-01-1402.

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A novel electrode was constructed and tested in a bio-battery. This configuration consisted of a composite electrode with immobilized bacteria (Escherichia coli K-12) in the anode and a composite electrode with immobilized Carbon Nanoparticles (CNP) and algae (Chlorella vulgaris/Scenedesmus sp.) suspended in the cathode. The composite electrode consisted of three parts: a 304L stainless steel mesh base, an electro-polymerized layer of pyrrole, and an electro-polymerized layer of methylene blue. The bacteria were immobilized on the anode electrode using a technique incorporating CNP and a Teflo
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12

Chen, Zheng-Yan, and 陳正彥. "Fabrication of embedded metal-mesh electrode by laser direct write combing with electroless plating." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/m4f77t.

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碩士<br>國立中央大學<br>機械工程學系<br>106<br>In this study, both techniques of laser direct writing and electroless deposition are applied to the fabrication of flexible metal-mesh transparent electrodes. Due to the Gaussian distribution of the laser beam, the intensity of laser energy decreases gradually from the middle to the periphery, resulting in transversal temperature gradient and the Marangoni effect, which makes the crosswise profile of laser-sintered metal wire with uneven height profile, lower in the middle and higher at the two ends. Thus, the first part of this study explores whether electrol
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13

Ting, Kuo-Ping, and 丁國平. "Study of Mesh Electrode on Nitride-based Ultraviolet Photodetector." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/48907229121707778816.

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碩士<br>國立中央大學<br>光電科學研究所<br>95<br>Due to the high resistance of P-type semiconductor, We have to deposit a Transparent Conduct Layer (TCL) as a Current Spreading Layer and a Electrode at the same time. However, TCL absorbs some power from the incident light that reduces the performance of photo-detectors(PDs). Therefore, the aim of this article attempts to explore how mesh electrode increases the responsivity of PD by reducing the absorbing power of TCL. In this experiment, GaN、AlGaN and AlGaN with window Layer GaN-based PIN wafer were prepared. Then we deposited Ni/Au and ITO as TCLs. Finally,
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14

Wei, Kai, and 魏楷. "Fabrication of Flexible, Metal-mesh Transparent Electrode Using Laser Direct Writing." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/7gfdjp.

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碩士<br>國立中央大學<br>機械工程學系<br>105<br>This study aims to develop a laser direct writing technique for fabricating metal mesh transparent electrodes. The self-synthesized Ag-doped polyvinyl alcohol (PVA) nanocomposite is used for selective laser sintering, SLS. The nanocomposite is a mixture consisting of silver nitrate, AgNO3, and PVA. As irradiated by laser, the chelated Ag ions are first reduced from PVA and then aggregate into silver nanoparticles, Ag NPs. With appropriate operating parameters, laser power and scan speed, the reduced Ag NPs can be sintered into silver wires. The SLSed silver wir
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15

Ying, Szu, and 何思縈. "The effects of circulation on water production electrolysis by using titanium mesh electrode platinum plating." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/21725479370717882983.

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碩士<br>雲林科技大學<br>環境與安全工程系碩士班<br>97<br>Hydrogen is a resource with cleanness, zero pollution, and economic benefits; among all the fuels, it has the highest density, and it is the most potential for development of sustainable clean energy. By using electrolytic hydrogen to explore aquaculture. The important factors of electrolysis rate include the varied kinds and concentrations of electrolyte, and ion concentration. Adding the electrolyte affects the electric conductivity including the quality and temperature of electrolyte, and ion concentrations. For example, increasing the ionic strength and
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16

Lin, Bo-Jyun, and 林柏均. "Synthesis of Silver Oxalate Complex Ink for Fabricating Ag-metal-mesh Transparent Electrode by Laser-Direct-Write Method." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/t2cy8e.

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碩士<br>國立中央大學<br>能源工程研究所<br>107<br>Indium tin oxide (ITO) is an excellent transparent electrode material, but it has some disadvantages, such as it is rare in nature, its fabrication process is material wasting and poor in flexibility, and it is not applicable to wearable electronics. Recently, many studies have shown that metal mesh electrodes are quite excellent in light transmittance and conductivity, and are fairly potential ITO replacement electrodes. The main purpose of this research is to develop a new approach for rapidly fabricating metal mesh transparent electrodes using the technique
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17

Lin, Johnny, and 林拓均. "Study of Electrooxidation of CO and MeOH in Alkaline system by gold electrode." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/77021769827546604306.

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碩士<br>長庚大學<br>化工與材料工程研究所<br>93<br>Alkaline Fuel Cell (AFC) is potentially considered as a competing technology in low temperature fuel cells by reforming hydrocarbon fuels which may contain carbon monoxide(CO). The disadvantage of this system is that it limited itself to fuels and oxidants without carbon dioxide. The study of electrochemical oxidation of CO is an interesting subject to develop good anode electrolysis for AFC. The eletrochemical oxidation of CO at Au electrode in alkaline medium when studied in this thesis .The adsorbed CO and dissolved CO can be distinguished by using rotatin
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18

CHANG, CHIAO-PO, and 張喬博. "Fabrication of Oxidation Resistant, Cu-Ni Alloy Metal-mesh Transparent Electrode by Laser Direct Write from Self-Reduction Metal Complex Inks." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/33mn5k.

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碩士<br>國立中央大學<br>機械工程學系<br>106<br>Indium tin oxide, ITO, has good performance in both transmittance and conductivity. Thus, it has been playing an important role in transparent conducting electrodes. However, ITO is brittle that restricts its applications in the blooming flexible electrotrincs. Many research reports reveal that metal-mesh-based electrodes by varios metal materials such as gold, silver, and copper, have demonstrated high potential as alternative transparent electrodes. However, gold and silver are too expensive and copper is easy to get oxidated either at the duration of fabrica
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19

Yang, Shih-Wei, and 楊仕維. "Preparation of Pt-Ru/C composite electrode by double-potential pulse method for oxidation of MeOH and CO." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/43247429960675925413.

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碩士<br>國立高雄應用科技大學<br>化學工程系碩士班<br>96<br>The preparations of Pt-Ru/C electrodes by anodic and cathodic deposition methods, carried out in electrolyte containing RuCl3 + Pt nano-particles and RuCl3 + H2PtCl6, respectively, were investigated in this work. The loading amount of the Pt and Ru deposited on the electrodes was analyzed by inductively coupled plasma atomic emission spectrometer (ICP-AES). The properties of Pt-Ru/C electrodes were characterized by X-ray diffraction (XRD) and scanning electron microscope (SEM). The catalytic activity of the electrocatalysts for electrooxidation of methanol
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20

Lan, Cheng-Jiun, and 藍成均. "Enhancement in output power of blue GaN-based light emitting diodes with pillar waveguide and Ag reflector electrode pad and TCL mesh-textured structure." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/81190690956810888373.

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碩士<br>國立成功大學<br>光電科學與工程研究所<br>97<br>In this study, we demonstrated GaN-based light-emitting diodes(LEDs) with non-alloyed metal contacts on n-GaN and transparent contact layer(TCL), which was indium tin oxide and/or gallium-doped zinc oxide, to serve as the n-type electrode and the p-type electrode, respectively. The TCLs had rough surface with mesh structure. Besides, photolithography process was applied to form micro-pillar waveguide at the periphery of LEDs to enhance the light extraction efficiency. The result will be discussed in detail in this thesis. In this study, the non-alloyed met
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Chen, Shu-Jhen, and 陳淑禎. "A study of reaction mechanisms and catalytic-activity of Pt-M/C bi-metallic electrodes (M= Ru, Ir and Sn) in the electrocatalytic oxidation of MeOH and CO." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/05964577765003277493.

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碩士<br>國立高雄應用科技大學<br>化學工程與材料工程系<br>97<br>The Pt-M/C (M= Ru,Ir and Sn) bi-metallic catalysts with various compositions were prepared by impregnation method for investigation of catalytic-activity of the Pt-M/C bi-metallic catalysts and mechanism of electro-oxidation of methanol on the electrocatalysts. The electrochemical properties of electrodes were studied by cyclic voltammetry (CV), chronoamperometry (CA), CO-stripping voltammetry, and linear sweep voltammetry (LSV) methods. The lattice parameters, composition, particle size-distribution of reduced bi-metallic catalysts were characterized by
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