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Tesis sobre el tema "Film zeolite"

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Publicado: 4 de junio de 2021
Última modificación: 1 de febrero de 2022

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1

Navlani-García, Miriam. "Preparation of zeolite-based catalysts and zeolite thin films for environmental applications." Doctoral thesis, Universidad de Alicante, 2014. http://hdl.handle.net/10045/46105.

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2

Xu, Shiyu. "Characterisation of mesostructured films and single zeolite nanosheets." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/characterisation-of-mesostructured-films-and-single-zeolite-nanosheets(2a2a1047-bf17-49c1-b711-120e98ac4cf2).html.

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Thin nanoporous films are attractive for many potential uses for example gas separation, catalysis, filtration of viruses, ore flotation, or as low-dielectric-constant materials. Zeolite and mesoporous materials are the two important nanoporous material classes. In this thesis, we synthesized and characterized two different thin nanoporous films; (i) mesostructured films at the mica-solution interface; (ii) mechanical exfoliated zeolites. The mesoporous materials are well-defined pore shoe and size, and exhibit various morphologies, such as thin films, etc. In contrast, zeolites are a kind of
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3

Ozturk, Seckin. "Immobilization Of Zeolite Crystals On Solid Substrates For Biosensor Aplications." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12611992/index.pdf.

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Electrochemical biosensors are cost effective, fast and portable devices, which can determine the existence and amounts of chemicals in a specific medium. These devices have many potential applications in many fields such as determination of diseases, process and product control, environmental monitoring, and drug research. To realize these potentials of the devices, many studies are being carried out to increase their sensitivity, selectivity and long term stabilities. Surface modification studies with various types of particles (metal nano particles, carbon nano tubes etc.) can be count amon
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4

Zhang, Jian. "Zeolite Thin Film-Fiber Integrated Optical Sensors for Highly Sensitive Detection of Chemicals in Gas and Liquid Phases." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1195680520.

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5

Tang, Xiling. "Development of Inorganic Thin Film Coated Long-Period Grating Fiber Optic Chemical Sensors." University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1321372750.

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6

Rigo, Reus Tiago. "S?ntese e caracteriza??o de membranas zeol?ticas tipo mfi e aplica??o em separa??o de arom?ticos." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17704.

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Made available in DSpace on 2014-12-17T15:42:06Z (GMT). No. of bitstreams: 1 ReusTR_DISSERT.pdf: 4094188 bytes, checksum: 4969fc6bf4243a6e241302a399783473 (MD5) Previous issue date: 2013-07-22<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>The synthesis of MFI-type zeolite membranes was carried by the process in situ or hydrothermal crystallization. We studied the homogenization time of the room temperature and gel filtration just before the crystallization step performed out in an oven, thus obtaining a more uniform zeolite film. The powder synthesized zeolite (structure
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7

Belibi, Pierre Celestin. "Elaboration et caractérisation des biofilms à base d'amidon de manioc renforcés par des charges minérales bi et tri-dimensionnelles." Thesis, Mulhouse, 2013. http://www.theses.fr/2013MULH6011/document.

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Des films composites et nanocomposites ont été élaborés par la méthode du casting à partir d’amidon natif de manioc. Ils ont été plastifiés par le glycérol et renforcés par des chargesminérales synthétiques de zéolithe Beta et de beidellite sodique. L’influence du type de charge, de l’état de la charge (lyophilisé ou non-lyophilisé ou séchage à l’air) ainsi que du taux de charge sur les propriétés mécaniques et barrières à la vapeur d’eau des films correspondants a été étudiée. Les valeurs de la solubilité dans l’eau et de la perméabilité à la vapeur d’eau des échantillons renforcés par des na
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8

Keshavarzi, Neda. "Structuring porous adsorbents and composites for gas separation and odor removal." Doctoral thesis, Stockholms universitet, Institutionen för material- och miljökemi (MMK), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-109179.

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Porous zeolite, carbon and aluminophosphate powders have been colloidally assembled and post-processed in the form of monoliths, flexible free standing films and coatings for gas separation and odor removal. Zeolite 13X monoliths with macroporosites up to 50 vol% and a high CO2 uptake were prepared by colloidal processing and sacrificial templating. The durability of silicalite-I supports produced in a binder-free form by pulsed current processing (PCP) were compared with silicalite-I supports produced using clay-binders and conventional thermal treatment. Long-term acid and alkali treatment o
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9

Hudiono, Yeny C. "Thermal transport properties of nanoporous zeolite thin films." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24748.

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Thesis (Ph.D.)--Chemical Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Prof. Sankar Nair; Committee Co-Chair: Prof. Samuel Graham; Committee Member: Prof. Amyn S. Teja; Committee Member: Prof. Mo Li; Committee Member: Prof. Peter Ludovice.
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10

Varela, Gandía Francisco José. "Preparation of zeolite thin films for gas purification." Doctoral thesis, Universidad de Alicante, 2012. http://hdl.handle.net/10045/27135.

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11

Gualtieri, Magdalena. "Synthesis and characterization of zeolite films and membranes." Doctoral thesis, Luleå University of Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-25694.

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In this work, a seeding technique was used to synthesize films and membranes of FAU, LTA and MFI type zeolites. In the first part, hydrothermal growth was performed without organic template molecules, which resulted in template-free zeolite films and membranes. The samples were characterized by Scanning Electron Microscopy, X-ray Powder Diffraction and permeation measurements with gaseous probe molecules. Thin films of FAU-type zeolite were prepared on polished single crystals. The thickness and morphology of the films could be controlled by varying the synthesis conditions. Preparation of LTA
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12

Lassinantti, Magdalena. "Synthesis, characterization and properties of zeolite films and membranes." Licentiate thesis, Luleå tekniska universitet, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18550.

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The work presented in this thesis was aimed to synthesize zeolite films in the absence of organic additives to avoid the potentially detrimental calcination procedure. Furthermore, the support surface was seeded with colloidal seed crystals prior to film growth. This technique has previously been used to prepare thin zeolite films. The films were characterized by Scanning electron microscopy (SEM), X-ray diffraction (XRD) and gas permeation experiments. Films of three different types of zeolites were synthesized in this work; FAU-type zeolite, ZSM-5 and zeolite NaA. The thickness of the FAU-ty
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13

Hubner, Patricia. "Desenvolvimento de filmes de gelatina contendo zeólita clinoptilolita impregnada com íons prata e avaliação das propriedades antimicrobianas." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/163888.

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Curativos utilizados no tratamento de feridas crônicas e queimaduras devem apresentar carac terísticas antimicrobianas. Sabe-se que compostos de prata são utilizados há muito tempo como antissépticos, mas apresentam alguns problemas relacionados ao modo de liberação. A fim de controlar essa liberação, os íons Ag+ podem ser imobilizados em suportes, como por exemplo, zeólitas, que por sua vez devem estar dispersas no filme que é utilizado como curativo. Nesse contexto, este trabalho tem como objetivo o desenvolvimento e a caracterização de filmes à base de gelatina, adicionados de zeólita clino
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14

Wee, Lik Hong. "Novel methods of preparation and characterisation of zeolite thin films." Thesis, Manchester Metropolitan University, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.502443.

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Over the past years, the synthesis of zeolite films has attracted considerable attention due to their potential applications as membranes, sensors, and insulators with low dielectric constant. Therefore, the preparation of high quality defect free zeolite films with controlled film orientation and thickness is highly desired. Silicalite-l nanocrystals were functionalised via ultrasonic treatment in alcohol (methanol, ethanol, 2-propanol and I-butanol) suspensions. The formation of methoxy groups on the external surface of silicalite-l was confirmed by nitrogen adsorption porosimetry analysis.
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15

Al-Rubaye, Rana. "Generation and characterisation of catalytic films of zeolite Y and ZSM-5 on FeCrAlloy metal." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/generation-and-characterisation-of-catalytic-films-of-zeolite-y-and-zsm5-on-fecralloy-metal(de743286-52bd-4922-8de7-9a261283b6e5).html.

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The objective of this work was the development of structured zeolite catalysts by growing of ZSM-5 and Y zeolites layers on the pre-treated FeCrAlloy wires, which could now offer technical advantage in catalytic application. The advantages of implementation of zeolitic coatings in industrial applications are that they have; lower pressure drop, high heat and mass transfer rates compared to standard pelleted or extruded catalysts. The key focus of this research was the generation of thin films of zeolite ZSM–5 and Y zeolite catalysts on the surface of a FeCrAlloy metal substrate. Using in-situ
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16

Kharchenko, Anastasia. "Properties of copper species stabilized in zeolite nanocrystals." Thesis, Normandie, 2017. http://www.theses.fr/2017NORMC220/document.

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Les objectifs principaux de ce travail étaient d'étudier la nature des composés de cuivre formés dans les nano-zéolithes en utilisant deux approches: (i) incorporation directe du Cu via une synthèse mono pot et (ii) incorporation post-synthèse du Cu suivi par une réduction chimique. Une étude détaillée de l'évolution des espèces de cuivre dans la suspension de nano-zéolithe LTL réduite avec de l'hydrazine a révélé la formation de nanoparticules de cuivre avec des dimensions limitées par la taille de canaux et des cages de la zéolithe. Cependant, avec un temps de réduction prolongé, les NPs de
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17

Farzaneh, Amirfarrokh. "Adsorption Properties of MFI-Type Zeolite Films for Upgrading of Biofuels." Doctoral thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-60958.

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With the depleting reservoirs of fossil fuels, increasing environmental concerns for flue-gas emissions from fossil-fuel combustion and growing world population, the need for the development of new sustainable fuels is higher than ever. However, to be able to compete with today’s mature technologies for production of fuels from fossil sources, new efficient processing alternatives for upgrading of biofuels must be developed.    Bio-fuels produced by e.g. fermentative processes are promising alternatives to traditional chemicals and fuels produced from fossil sources. Recovery of biofuels by se
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18

Lauridant, Natacha Lalatiana. "Zéolithisation de supports en alluminium pour la décontamination moléculaire en orbite." Phd thesis, Université de Haute Alsace - Mulhouse, 2012. http://tel.archives-ouvertes.fr/tel-00845636.

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Dans le domaine spatial, la contamination moléculaire est un problème important pouvant affecter considérablement la performance des instruments embarqués. Selon l'environnement thermique, certaines molécules polluantes provenant du dégazage sous vide des matériaux constitutifs des satellites viennent en effet se déposer sur les surfaces sensibles tels que les optiques et les différents détecteurs. Grâce à leur structure microporeuse organisée qui leurs confèrent de remarquables capacités d'adsorption, les zéolithes sont des solides de choix pour minimiser les risques de pollution. Les films z
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19

Li, Qinghua. "Colloidal zeolites : from nucleation to zoned films by seeded growth /." Luleå, 2002. http://epubl.luth.se/1402-1544/2002/04/index.html.

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20

Demontis, Pierfranco, and Giuseppe B. Suffritti. "A CTRW interpretation of simulated single-file diffusion in zeolites." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-194567.

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21

Demontis, Pierfranco, and Giuseppe B. Suffritti. "A CTRW interpretation of simulated single-file diffusion in zeolites." Diffusion fundamentals 3 (2005) 3, S. 1-2, 2005. https://ul.qucosa.de/id/qucosa%3A14291.

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22

Tukada, Stela Mitsue. "Desenvolvimento de um sistema e metodologia de medição da taxa de adsorção de etileno por embalagens plasticas ativas." [s.n.], 2002. http://repositorio.unicamp.br/jspui/handle/REPOSIP/266149.

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Orientador: Leila Peres<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Quimica<br>Made available in DSpace on 2018-08-08T05:00:10Z (GMT). No. of bitstreams: 1 Tukada_StelaMitsue_M.pdf: 1292417 bytes, checksum: 0386a749ecf0033c4ddeaff8491ba549 (MD5) Previous issue date: 2002<br>Resumo: Muitas opções de filmes plásticos com diferentes características de barreira têm sido desenvolvidas para atender às novas exigências de mercado. Embalagem plástica ativa é um exemplo de nova tecnologia em desenvolvimento, possível devido aos novos avanços em embalagem e c
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23

Zheng, Xiaobo. "A Computational Investigation of Hydrocarbon Cracking: Gas Phase and Heterogeneous Catalytic Reactions on Zeolites." Diss., Tucson, Arizona : University of Arizona, 2006. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu%5Fetd%5F1455%5F1%5Fm.pdf&type=application/pdf.

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24

Sun, Minwei. "Applying zeolites as low dielectric constant (low-k) materials." Diss., UC access only, 2009. http://proquest.umi.com/pqdweb?index=14&did=1907180231&SrchMode=1&sid=4&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1270059102&clientId=48051.

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25

Jayaraman, Arjun. "Electrical impedance characterization of microporous films at elevated temperatures with interdigitated design." Diss., Connect to online resource - MSU authorized users, 2008.

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Thesis (M.S.)--Michigan State University. Dept. of Electrical and Computer Engineering, 2008.<br>Title from PDF t.p. (viewed on Aug. 7, 2009) Includes bibliographical references (p. 58-59). Also issued in print.
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26

Snyder, Mark A. "Multiscale approaches for elucidating structure-properties relations of molecular transport in polycrystalline microporous thin films." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 7.89 Mb., 449 p, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3220803.

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27

Fischer, Frank. "Quantum chemical investigation of a surface science model for the inner surfaces of zeolites and silicates." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät, 2016. http://dx.doi.org/10.18452/17623.

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Wir stellen ein oberflächenphysikalisches Modellsystem für die inneren Oberflächen von Alumino- und sonstigen Silikaten vor. Derartige zweidimensionale Modellsysteme bieten drei Vorteile. (1) Sie eröffnen neue Ansätze zur Untersuchung komplexer Materialien unter sehr wohldefinierten Bedingungen. (2) Eigenschaften, die sonst nicht direkt experimentell zugänglich waren können nun mit den Instrumenten der Oberflächenphysik gemessen werden. So können experimentelle Referenzwerte gefunden und direkt mit quantenchemischen Resultaten verglichen werden. (3) In Bezug auf Zeolithe stellen die zweidime
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28

Hughes, Peter D. M. "A study of water transport in zeolite 4A powder beds and sodium silicate films using broadline magnetic resonance imaging." Thesis, University of Surrey, 1996. http://epubs.surrey.ac.uk/842962/.

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Zeolites are hydrated microporous aluminosilicate crystals. They are of great interest to the scientific and engineering communities due to their ability to catalyse reactions, ion- exchange and be size selective in their admittance of molecules. The main experimental work described in this thesis measures the long range transport rate of water through macroscopic powder samples of zeolite 4A using recent developments in broad-line NMR imaging techniques. Samples consisting of contacting beds of packed zeolite 4A powder were prepared with a step function concentration profile of water between
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29

Tsapatsis, Michael Gavalas George R. "Composite inorganic membranes for gas separations : chemical vapor deposition of hydrogen permselective oxide membranes and preparation of supported zeolite NaA films /." Diss., Pasadena, Calif. : California Institute of Technology, 1994. http://resolver.caltech.edu/CaltechETD:etd-11102005-083452.

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30

Fernandes, Ticiana Denise Barboza. "Desenvolvimento e caracterização de filme polimerico ativo para embalagem de frutas e hortaliças." [s.n.], 2001. http://repositorio.unicamp.br/jspui/handle/REPOSIP/266508.

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Orientador : Leila Peres<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Quimica<br>Made available in DSpace on 2018-08-02T04:54:24Z (GMT). No. of bitstreams: 1 Fernandes_TicianaDeniseBarboza_M.pdf: 2666560 bytes, checksum: e5b0d25db1336c05a71b7a3280fcf2b4 (MD5) Previous issue date: 2001<br>Mestrado
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31

Al-Akwaa, Shaaima. "Synthesis and New Characterization Method of Silicalite-1 Membranes for Gas Separation." Thesis, Université d'Ottawa / University of Ottawa, 2020. http://hdl.handle.net/10393/41577.

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Zeolite membranes have great potential in gas separation applications because of their unique selective properties. The main challenge is in synthesizing defect-free zeolite membranes. In this study, we synthesized silicalite-1 zeolite membranes on ceramic supports composed of Al2O3 and TiO2 using the pore-plugging method. We investigated the effect of the fill-level in the autoclave during the synthesis on the membrane performance. In particular, we were interested in determining the conditions at which the defects' contribution to the total transport is minimized. We adopted and furthe
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32

Said, Ali. "Synthèse de membranes minérales de nanofiltration par formation de films minces de zéolithes sur un support tubulaire en alumine : étude de l'évolution des propriétés de surface et des caractéristiques de filtration en milieu aqueux." Thesis, Mulhouse, 2015. http://www.theses.fr/2015MULH6212/document.

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Un des enjeux majeurs des procédés membranaires concerne le développement de nouveaux matériaux de filtration stables dont les propriétés texturales et structurales permettent d'orienter la sélectivité des membranes de nanofiltration. En particulier, l'utilisation de matériaux zéoliihiques comme couche filtrante a montré qu'après un traitement chimique adéquat, ces matériaux pouvaient acquérir des propriétés de sélectivité très particulières. Ce travail de thèse propose la synthèse, la caractérisation et l'optimisation de membranes de nanofiltration tubulaires en utilisant une zéolithe de type
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33

Lam, Chon-Hei, and 林駿熙. "Techniques for patterning zeolite thin film." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/736zb8.

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碩士<br>國立臺灣大學<br>化學工程學研究所<br>105<br>This paper reports on a generalized method by which to simultaneously manipulate the self-assembly and orientation of zeolite LTA nanocrystals. This process, referred to as surfactant-mediated self-assembly (SMSA), creates zeolite LTA thin films with long-range ordered cylindrical patterns, wherein the {100} faces of zeolite LTA crystals are preferably oriented parallel to the support surface. This approach makes it possible to control the diameter as well as the depth of the cylindrical patterns in zeolite thin films fabricated via scalable wet deposition. T
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34

Fang, Shun-Yi, and 方順一. "Transparent Zeolite Beta film for Water Adsorption." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/78037527814635745961.

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碩士<br>國立中央大學<br>化學工程與材料工程研究所<br>95<br>The greatest obstacle of organic-light-emitting-diode (OLED) today is moisture prevention. Packaging OLED with multiple layers of organic or metal films can increase diffusion path and decrease mass transfer area, and thereby decrease permeability of moisture. However, it is not sufficient to block the moisture penetration yet. Incorporation of zeolite getter in the layers may prolong the lifetime of OLED, which is the main objective of this research. To achieve this objective, our work is divided into three parts: the synthesis of nano-zeolite beta, temp
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35

Huang, Pei-Sun, and 黃培舜. "Scalable Wet Deposition of Zeolite Thin Film." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/79w2ry.

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博士<br>國立臺灣大學<br>化學工程學研究所<br>106<br>Zeolites are microporous materials with high crystallinity. Zeolite membranes and thin films can be used for catalytic reaction or separation processes in the chemical industry. Secondary growth is the most popular approach to the preparation of zeolite thin films and membranes; however, this process is time-consuming and is difficult for large-scale production. In this thesis, we proposed a scalable wet deposition method for preparing zeolite thin films. As a proof of concept, we implemented this method to fabricate zeolite thin films with two different zeol
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36

Hsu, Cha-Hao, and 許哲豪. "Preparation of transparent continuous zeolite film and monolith." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/12545864453135610108.

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碩士<br>國立中央大學<br>化學工程與材料工程研究所<br>92<br>Transparent zeolite films on dense substrates (glass, silicon wafer and PES ) and zeolite monolith were made from zeolite sol precursors. The coatings were transparent and in many cases showed a preferred orientation, as observed from AFM. By varying the experimental conditions, super-hydrophobic (contact angle with water greater than 120°) and super-hydrophilc (contact angle less than 5°) could be obtained. Organophilic coatings with water contact angle of 30 ° and 0° for n-octane, could also be prepared. These coatings have potential applications in cat
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37

Chen, Kol-Liang, and 陳科良. "Preparation of Anti-Reflection Film with Transparent MFI Zeolite." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/79y4gz.

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碩士<br>國立中央大學<br>光電科學研究所<br>94<br>Since the reflection of the boundary , the transparency of the optical system that not been coated will lower . In order to solve the problem , we need ARC（Anti-Reflection Coating）. The optical system that been coated with Anti-Reflection film not only can enhance the transparency but also can reduce the consecutive reflection between optical devices , it can make the image clearer . 　　In this master thesis , we manufacture Silicalite-1 sol which has MFI structure of zeolite through Sol-Gel method . We can get a single layer thin film coated on optical glass
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38

chen, Rudy-yu, and 詹瑞裕. "MFI zeolite film by steam assisted dissolution -recrystallization technique." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/84161259470528789156.

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博士<br>國立中央大學<br>化學工程與材料工程學系<br>104<br>Zeolite films could find applications in wide range of fields such as selective membranes, catalysis and adsorption due to their well-defined unique pore structures as well as high thermal and chemical stability. In addition, MFI zeolite thin films exhibit excellent corrosion resistance, low framework density, and high mechanical strength. Recently, strong attention has been transferred to the synthesis of high quality coatings that may find application in many different industrial fields such ascorrosion-resistant coatings for aerospace alloys[1], low-k l
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39

Kuan, Tzu-han, and 官紫涵. "The Preparation and Their Properties of Faujasite Zeolite Film Deposited under Plasma Jet System." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/01252657963651500631.

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碩士<br>義守大學<br>生物技術與化學工程研究所碩士班<br>96<br>The common method to prepare zeolite membrane, such as hydrothermal method, vapor-phase transport, and secondary growth method had been widely used, but the disadvantage in the proceeding processes is too long time, the membrane thick also not easy to control on atmospheric pressure. In addition, the zeolite membrane must add the organic template in the synthesis process, film surface crannied easily after calcined at high temperature. Therefore, a new process can resolve these problems is meaningful. This study focused on the preparation and their pr
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Lovallo, Mark Charles. "Preparation and characterization of zeolite thin films and membranes." 1998. https://scholarworks.umass.edu/dissertations/AAI9823752.

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A novel technique for the fabrication of zeolite thin films and membranes has been developed. The method utilizes colloidal suspensions of zeolite nanocrystals (nanosols) for deposition of precursor-films. These films can be either supported or self-supported. Following the precursor formation, the films are exposed to a controlled hydrothermal seeded growth (secondary growth) which promotes the formation of thin, continuous, and intergrown zeolite layers at the surface of the precursor-film. Decoupling film deposition from crystal growth provided added flexibility for tailoring film microstru
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41

Chen, Ying-Hao, and 陳英豪. "The Study of Zeolite Nanocomposite Thin Films and Their Properties." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/45743624178032101332.

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碩士<br>義守大學<br>生物技術與化學工程研究所<br>101<br>In this study, a fabrication of zeolite nanocomposite thin films, deposited by vaporizing a mixing MCM-41 suspension and upper liquid of Faujasite suspension to a set ratio, were prepared by our self-designed liquid spray system. Investigated the effects of the operating parameters such as the heating temperature on substrate, the rates of the main air, auxiliary air flow and deposition time, could prepared the good quality nanocomposite films. The crystalline, surface morphology, and chemical composition of prepared samples would performed by the instrum
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42

Wu, Jang-Rung, and 吳章榮. "The Study of Zeolite/Polymer Nanocomposite Thin Films and Their Properties." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/69776405394156937097.

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碩士<br>義守大學<br>化學工程學系暨生物技術與化學工程研究所<br>102<br>In this study, a simple fabrication of zeolite nanocomposite thin films, deposited by vaporizing a mixing Silicalite-1 and PAA suspension to a set ratio, were prepared by our self-designed liquid spray system. Investigated the effects of the operating parameters such as the heating temperature on substrate, the rates of the main air, auxiliary air flow and deposition time, could prepared the good quality nanocomposite films. The crystalline, surface morphology, and chemical composition of prepared samples would performed by the instruments of XRD, FT
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43

Li, Ting-Yi, and 李庭逸. "Study of Low-k Films and Anti-Corrosion Films Prepared from Pure-Silica-Zeolite Nanoparticles." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/72098027134050086713.

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博士<br>國立臺灣大學<br>化學工程學研究所<br>102<br>Pure-silica-zeolite (PSZ) Mobil-Five (MFI) and MFI-like noncrystalline silica (NCS) nanoparticles synthesized using tetrapropylammonium hydroxide (TPAOH) as a structure directing agent were produced via hydrothermal processes, and those nanoparticles were applied to fabricate porous silica low dielectric constant (low-k) films and anti-corrosion films in this dissertation. When hydrothermally producing the PSZ MFI nanoparticle suspensions, effect of wall thickness of autoclave reactor is studied. Heat transfer simulation indicates that decreasing the wal
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Lin, Guan-Ye, and 林冠燁. "Application of zeolite-like silica nano-particles in anti-corrosion films and in low-k films." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/16389868371653048018.

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碩士<br>國立臺灣大學<br>化學工程學研究所<br>103<br>The applications of MFI-like and BEA-like nano-particles in anti-corrosion films and in low-k films were studied. For anti-corrosion application, the particles were added in GPTMS-TEOS (3-glycidoxypropyltrimethoxysilane and tetraethyl orthosilicate) solution to form an organic-inorganic anti-corrosion coating solution. It was expected that the hydroxyl groups on nano-particles surface can form chemical bonds with those of GPTMS through dehydration reaction, so that a better anti-corrosion property can be generated. It has been found from the research results
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Boudreau, Laura Catherine. "Preparation and characterization of highly oriented films and membranes of zeolite A." 1999. https://scholarworks.umass.edu/dissertations/AAI9932296.

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Zeolite NaA films and membranes have been prepared using both in situ and seeded growth preparation processes. Films prepared using in situ preparations have shown this technique to be unsuitable for further development due to its inability to control the film microstructure, poor reproducibility, and dissolution of the substrate resulting in amorphous material incorporated in the film. Seeded growth, however, shows the ability to prepare highly oriented zeolite NaA films, the first zeolite films reported with this high degree of orientation. For the seeded growth preparation, nanometer sized
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Huang, Yu-Jun, and 黃昱鈞. "The Preparation and Spectroscopic Analysis of Graphene Composite Films via Zeolite Synthetic Solution." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/9ku4nz.

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Lai, Zhiping. "Molecular sieve films: New synthesis methods for improving the performance of zeolite ZSM-5 membranes." 2003. https://scholarworks.umass.edu/dissertations/AAI3110515.

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The separation performance of MFI type of zeolite membranes for gas and vapor permeation has been improved in this dissertation in several ways. In the h0h-oriented membranes, defects were sealed by a sol-gel technique, while in the c-oriented MFI membranes, defects could be sealed in situ by introducing a third strongly adsorbing species in the feed stream. In both cases, the selectivity for separation of xylene isomers was greatly improved. However, the concomitant decrease in permeance indicated that the membrane performance was only partially improved by these methods. A novel seeded growt
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Yu, Chun-Hsien, and 余俊賢. "Synthesis of MFI Zeolite Mesoporous Low-k Films Using Poly (ethylene oxide)-based Surfactants as Template." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/04665508035151122344.

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碩士<br>臺灣大學<br>化學工程學研究所<br>98<br>The synthesis of coating solutions with pure-silica-zeolite (PSZ) of MFI structure for low-k (dielectric constant) films applications was reported a few years ago. Although the k values can be around 2, the morphology of the films was poor. In order to solve this problem and to increase the mesopore volume in the films, the poly (ethylene oxide)-based non-ionic surfactants (such as Tween80, Tween60, Tween40 and Tween20) were added in the coating solution (with PSZ and MFI structure) in this research. The weight ratio of surfactant to tetraethylorthosilicate (TEO
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Lee, In Ho. "Synthesis and Characterization of Nanoporous Materials and Their Films with Controlled Microstructure." Thesis, 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-08-8332.

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Nanoporous materials have attracted tremendous interest, investment and effort in research and development due to their potential applications in various areas such as membranes, catalysis, sensors, delivery, and micro devices. Controlling a nanoporous material’s microstructure is of great interest due to the strong influence on efficiency and performance. For particles, microstructure refers to particle size, shape, surface morphology, and composition. When discussing thin films, microstructure includes film thickness, crystal orientation and grain boundaries. In this respect, we focus to dev
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Chao, Tzu-Ping, and 趙咨評. "Direct Assembly of Zeolite Seeds into Mesoporous Nanoparticles and Vertical Mesochannel Thin Films: Syntheses, Characterizations and Applications." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/14474172207041545812.

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