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Dissertations / Theses on the topic 'Tin-oxygen'

Author: Grafiati
Published: 18 May 2024
Last updated: 19 July 2025

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1

Agbede, Oluseye Omotoso. "Study of oxygen dissolution in molten tin : a novel SOFC anode." Thesis, Imperial College London, 2014. http://hdl.handle.net/10044/1/24757.

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Conventional power plants for the conversion of fossil fuels to electricity have low efficiencies and produce large amount of carbon dioxide, a greenhouse gas, which contribute to climate change. Hence, a molten tin reformer and methane-fuelled SOFC with molten tin anode (Sn(l)-SOFC) for easier CO2 capture and higher power efficiency were investigated. Both systems involved oxygen dissolution in molten tin and methane reaction with the dissolved oxygen, as well as gas bubbling, so oxygen dissolution and methane reaction at bubble | molten tin interface were investigated. Oxygen was separated s
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2

Rajan, Ziba Shabir Hussein Somjee. "Iridium oxide supported on antimony-doped tin oxide as an electrocatalyst for the oxygen evolution reaction." Master's thesis, University of Cape Town, 2020. http://hdl.handle.net/11427/32528.

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The generation of high purity hydrogen by renewable, sustainable means is a crucial building block towards the realisation of a carbon-free energy economy. Proton exchange membrane water electrolysis (PEMWE) offers a promising route for the generation of clean hydrogen, using renewable energy, for both stationary and mobile energy storage applications, and as a feedstock for the chemical industry. As water electrolysis is an electrochemical redox reaction, cathodic hydrogen evolution cannot occur without an efficient, and rapid anodic oxygen evolution reaction (OER). While both iridium and rut
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3

Stevenson, Paul. "Nuclear structure calculations using many-body perturbation theory with a separable interaction." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312333.

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4

Anand, Manoj. "Study of tin oxide for hydrogen gas sensor applications." [Tampa, Fla.] : University of South Florida, 2005. http://purl.fcla.edu/fcla/etd/SFE0001003.

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5

Cognard, Gwenn. "Electrocatalyseurs à base d’oxydes métalliques poreux pour pile à combustible à membrane échangeuse de protons." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAI007.

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Les électrocatalyseurs conventionnels utilisés dans les piles à combustibles à membrane échangeuse de protons (PEMFC) sont composés de nanoparticules de platine supportées sur des noirs de carbone de forte surface spécifique. A la cathode de la PEMFC, siège de la réaction de réduction de l’oxygène (ORR), le potentiel électrochimique peut atteindre des valeurs élevées - notamment lors de phases arrêt-démarrage - engendrant des dégradations irréversibles du support carboné. Une solution « matériaux » consiste à remplacer ce dernier par des supports à base d’oxydes métalliques. Ceux-ci doivent êt
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6

Sundqvist, Jonas. "Employing Metal Iodides and Oxygen in ALD and CVD of Functional Metal Oxides." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3450.

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7

Saveleva, Viktoriia. "Investigation of the anodes of PEM water electrolyzers by operando synchrotron-based photoemission spectroscopy." Thesis, Strasbourg, 2018. http://www.theses.fr/2018STRAF002/document.

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Le développement de catalyseurs de la réaction de dégagement de l’oxygène (OER) pour les électrolyseurs à membrane échangeuse de protons (PEM) dépend de la compréhension du mécanisme de cette réaction. Cette thèse est consacrée à l'application de la spectroscopie d’émission de photoélectrons induits par rayons X (XPS) et de la spectroscopie de structure près du front d'absorption de rayons X (NEXAFS) operando sous une pression proche de l'ambiante (NAP) dans le but d’étudier les mécanismes de la réaction d’oxydation de l’eau sur des anodes à base d’iridium et de ruthénium et leurs dégradation
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8

YIN, CHIEN-REN JOE. "OXIDATIVE DEHYDROGENATION OF BUTENES OVER TIN-PHOSPHORUS-OXYGEN AND LITHIUM-TIN-PHOSPHORUS - OXYGEN CATALYSTS." Thesis, 1987. http://hdl.handle.net/1911/16117.

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The mechanism of catalytic oxidative dehydrogenation (OXD) of butenes to 1,3-butadiene over Sn-P-O and Li-Sn-P-O catalysts was investigated in batch recirculation and microcatalytic pulse reactors. Mechanistic features of the reaction were examined using deuterium labeled butene (isotopic tracer technique) and $\sp{18}$O-labeled carbon dioxide (oxygen isotope exchange) experiments. Solid state changes in the catalyst were examined through BET surface area, electron microscopy, x-ray powder diffraction, and x-ray photoelectron spectroscopy. Reaction products include 1,3-butadiene, carbon dioxid
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9

Huang, Chyi-Chyuan, and 黃麒銓. "Effects of Predeposited Ti or TiN and Oxygen Content on the Structure and Properties of TiN in the Metallization of ULSI." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/68940632903697294219.

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碩士<br>國立交通大學<br>材料科學與工程研究所<br>86<br>This study investigated the effect of predeposited Ti or TiN on TiN structure and properties. The relationship was investigated betweeen oxygen content and TiN properties and structure by changing oxygen flow. The TiN film has the 〈111〉 highly preferred orientation when the sputtering conditions are set at uncollimated sputtering, low sputtering power, and low substrate temperature. And it has a lower film resistivity when the sputtering conditions are set at collimated sputtering, high sputtering power, and high substrate temperature. TiN film will grow alo
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10

Tsai, Cho-Jen, and 程書彥. "Measurement of Ti ability to absorbing oxygen and TiN stress relaxation by substrate curvature." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/49517097537619254011.

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碩士<br>國立清華大學<br>材料科學工程學系<br>94<br>Abstract Ti/SiO2/Si, TiN/Si and TiN/Ti/SiO2/Si structures were annealed in vacuum to observe the ability of Ti absorbing oxygen and the stress relaxation of TiN layer. The stress of the film was determined in situ by measuring the curvature of the sample during the annealing process. The phases and the microstructure of the film after annealing process were identified using XRD, AES, and TEM. A clear correlation was between the evolution of stress and the absorption of oxygen atoms by the Ti film. From the XRD data, we can find that the (002) peak of Ti shif
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11

Shih-Ying, Yu, and 游詩穎. "A study of surface-treated indium tin oxides thin films using oxygen and nitrogen plasmas." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/24932086201487122412.

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12

Lin, Chien-Hsueh, and 林建斈. "Study on Ethanol Gas Sensor Based on Tin Dioxide Thin Film by Oxygen Plasma Treatment." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/65d927.

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碩士<br>國立交通大學<br>電子研究所<br>107<br>In this study, a novel material ethanol gas sensor was developed, which uses tin dioxide as a sensing layer to make a resistive gas sensor, and uses lithography process technology to transfer to the interdigitated electrode in the mask, by measuring the current signal as an indicator of the gas response of the sensor, a gas sensor capable of detecting ethanol gas in a general environment is successfully produced with Dual E-Gun Evaporation System and used to realize the process of growing tin dioxide by physical vapor deposition (PVD) and the process of oxygen p
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13

Liu, Mei-Jeng, and 劉玫諍. "Study on the effect of oxygen incorporation on amorphous Indium Zinc Tin Oxide transparent thin film transistors." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/09864654442092719876.

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碩士<br>國立交通大學<br>光電系統研究所<br>102<br>Recently, the thin film transistors (TFTs) with transparent amorphous conductive thin film as active layer perform higher mobility and better reliability than conventional hydrogenated amorphous silicon TFT (a-Si: H TFT). In addition, the uniformity of a-IGZO TFT is also superior to low temperature polycrystalline silicon TFT (LTPS TFT). However, the usage of the rare element(Ga) and further enhancement of device mobility will be an important issue for the long-term applications. In this work, we developed new amorphous oxide semiconductor--- amorphous In-Zn-S
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14

Chang, Yao-Feng, and 張耀峰. "The Role of Oxygen Vacancies and Phase Change in TiN/SiO2/PtFe Resistance nonvolatile Random Access Memories." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/54011021411886228424.

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碩士<br>國立交通大學<br>電子工程系所<br>97<br>Recently, since nonvolatile memories acquire a lot of attention and flash memories are facing with the scale limit issue, the next generation nonvolatile memory has been carried out to discover extensively. The resistive random access memories (ReRAMs) that have the strengths of high cell density array, high operation speed, low power consumption, high endurance, lower scale limit and non-destructive readout, are one of the most potential candidate for flash memories. In this thesis, a physical model and mechanism which is about the role of oxygen vacancies and
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15

Tong, Jia Zen, and 董佳仁. "Effect of Interfacial Oxygen on Adhesion Strength Between Al/Cr and Indium-Tin-Oxide(ITO) Thin Film Coated Glass." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/24581200417342159594.

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碩士<br>義守大學<br>材料科學與工程學系<br>89<br>Metallization of oxide surfaces using aluminum（Al）or gold（Au）is a key process in the fabrication or packaging of electronic and optoelectronic devices. Since these metal thin films provide the electrical and mechanical connection, the adhesion between metal thin films and oxide layer is one of the main concerns in the processing. Higher adhesion strength of metal thin film to oxide surface normally leads to high mechanical reliability of devices. Al thin film with Cr interlayer has been used as a composite layer to metallize ITO-coated glass. The top Al layer p
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16

Wu, Tai-hsuan, and 吳岱軒. "Impacts of Oxygen Plasma Induced Interfacial Layer on P-type Poly-Si Thin-Film Transistors With TiN/HfO2 Gate Stack." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/98877031270239718359.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>104<br>With the development of integrated circuits, the transistors dimension has been scaling. In order to maintain the electrical behavior of transistors, miniature engineering faced many challenges. For example, reduced of gate control ability and increased of subthreshold swing. There are many ways to keep the transistors performance. One of the option is using high dielectric constant material instead of the traditional gate oxide layer. In the thesis, LTPS-TFTs are fabricated with Hafnia oxide gate dielectric and the impact of oxygen plasma induced interfaci
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17

CHEN, YI-FAN, and 陳逸凡. "Dependence of Oxygen Concentration and Substrate Moving Speed on Electrical,Optical and Microstructure Properties of Room Temperature Grown Indium Tin Oxide Films." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/11376307284143956627.

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碩士<br>崑山科技大學<br>電機工程研究所<br>101<br>Indium tin oxide (ITO) films were grown by in-line DC sputtering with unheated substrate. The oxygen concentration and substrate moving speed was varied during sputtering. The result indicate ITO films grown at 1.3% oxygen concentration can reach the lowest electrical resistivity 3.6×10-4 Ω-cm among these of the varied oxygen contraction test. In addition , the lowest electrical resistivity and high mobility of ITO films among test of varied substrate moving speed corresponds to low substrate moving speed. It may be related with formed during sputtering. Low s
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18

Ji, Jing, and 季婧. "Impacts of Oxygen Plasma Surface Treatment on Performance and Reliability of N-type Poly-Si Thin-Film Transistors With TiN/HfO2 Gate Stack." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/91222248664474587001.

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碩士<br>國立中山大學<br>電機工程學系研究所<br>104<br>The application of polysilicon thin-film transistors in active matrix liquid crystal displays has been the main driver of the development of polysilicon thin-film transistors technology. The conventional poly-Si TFTs with SiO2 gate dielectric has been scaling down to meet the requirements of high performance, but hard to achieve this goal. Using high-κ materials as gate dielectric layer can improve gate capacitance density and induce more carriers to enhance the device characteristics. Among the high-κ materials, HfO2 is a promising alternative to be the gat
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19

"The Investigation and Characterization of Redox Enzymes Using Protein Film Electrochemistry." Doctoral diss., 2014. http://hdl.handle.net/2286/R.I.26871.

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abstract: Redox reactions are crucial to energy transduction in biology. Protein film electrochemistry (PFE) is a technique for studying redox proteins in which the protein is immobilized at an electrode surface so as to allow direct exchange of electrons. Establishing a direct electronic connection eliminates the need for redox­active mediators, thus allowing for interrogation of the redox protein of interest. PFE has proven a versatile tool that has been used to elucidate the properties of many technologically relevant redox proteins including hydrogenases, laccases, and glucose oxidase.
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20

Anju, V. G. "Electrocatalysis using Ceramic Nitride and Oxide Nanostructures." Thesis, 2016. http://etd.iisc.ac.in/handle/2005/2919.

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Global warming and depletion in fossil fuels have forced the society to search for alternate, clean sustainable energy sources. An obvious solution to the aforesaid problem lies in electrochemical energy storage systems like fuel cells and batteries. The desirable properties attributed to these devices like quick response, long life cycle, high round trip efficiency, clean source, low maintenance etc. have made them very attractive as energy storage devices. Compared to many advanced battery chemistries like nickel-metal hydride and lithium - ion batteries, metal-air batteries show several adv
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21

Anju, V. G. "Electrocatalysis using Ceramic Nitride and Oxide Nanostructures." Thesis, 2016. http://etd.iisc.ernet.in/handle/2005/2919.

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Global warming and depletion in fossil fuels have forced the society to search for alternate, clean sustainable energy sources. An obvious solution to the aforesaid problem lies in electrochemical energy storage systems like fuel cells and batteries. The desirable properties attributed to these devices like quick response, long life cycle, high round trip efficiency, clean source, low maintenance etc. have made them very attractive as energy storage devices. Compared to many advanced battery chemistries like nickel-metal hydride and lithium - ion batteries, metal-air batteries show several adv
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22

Hoheisel, Martin. "Oxygen and CO on the Pt3Sn(111) and Pt3Sn(110) surfaces." Doctoral thesis, 2002. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2002111520.

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The high temperature adsorption of oxygen and the room temperature adsorption of CO on the Pt3Sn(111) and Pt3Sn(110) surfaces have been investigated by scanning tunneling microscopy (STM), low-energy electron diffraction (LEED), and Auger electron spectroscopy (AES). Beforehand the structure of the clean surfaces has been reviewed. After exposure to several 1000 L O2 at sample temperatures of about 750 K on both Pt3Sn(111) and (110) an ultra-thin Sn-O surface layer is formed. For the (111) X-ray photoelectron spectroscopy (XPS) indicates that this layer does not yet exhibit oxide properties.
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