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Dissertations / Theses on the topic 'Tin Oxide'

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Published: 4 June 2021
Last updated: 25 July 2025

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1

Wallace, Anthony James. "Tin oxide thin films." Thesis, Brunel University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294556.

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2

Boltz, Janika [Verfasser]. "Sputtered tin oxide and titanium oxide thin films as alternative transparent conductive oxides / Janika Boltz." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2012. http://d-nb.info/1019850485/34.

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3

James, Amy Frances. "Tin-oxide thin films by thermal oxidation." University of Western Cape, 2021. http://hdl.handle.net/11394/8239.

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>Magister Scientiae - MSc<br>Tin dioxide (SnO2) thin films are a worthy candidate for an electron transport layer (ETL) in perovskite solar cells, due to its suitable energy level, high electron mobility of 240 cm2 v-1 s- 1, desirable band gap of 3.6 - 4.0 eV, and ultimately proves to be suited for a low temperature thermal oxidation technique for ETL production. A variety of methods are available to prepare SnO2 thin films such as spin and dip coating and chemical bath deposition. However, the customary solid-state method, which incorporates thermal decomposition and oxidation of a meta
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4

Murphy, Thomas Patrick. "Electrochromic properties of tin-nickel oxide thin films." Thesis, Oxford Brookes University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284756.

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5

Elfallal, Ibrahim Abdel-Wahab. "A study of indium tin oxide thin films." Thesis, University of Salford, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.261449.

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6

Yavas, Hakan. "Development Of Indium Tin Oxide (ito) Nanoparticle Incorporated Transparent Conductive Oxide Thin Films." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614475/index.pdf.

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Indium tin oxide (ITO) thin films have been used as transparent electrodes in many technological applications such as display panels, solar cells, touch screens and electrochromic devices. Commercial grade ITO thin films are usually deposited by sputtering. Solution-based coating methods, such as sol-gel however, can be simple and economic alternative method for obtaining oxide films and also ITO. In this thesis, &ldquo<br>ITO sols&rdquo<br>and &ldquo<br>ITO nanoparticle-incorporated hybrid ITO coating sols&rdquo<br>were prepared using indium chloride (InCl3
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7

Brown, J. R. "Tin oxide thin film gas sensors deposited by MOCVD." Thesis, Keele University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434038.

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8

Bailey, Craig. "Promoted tin(IV) oxide and cerium (IV) oxide catalysts." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262967.

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9

Díaz, Delgado Raül. "Tin Oxide Gas Sensors: An Electrochemical Approach." Doctoral thesis, Universitat de Barcelona, 2002. http://hdl.handle.net/10803/2743.

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En la actualidad existe una preocupación creciente en lo concerniente a los problemas medioambientales provocados por la actividad humana y en cómo estos problemas pueden afectar a nuestra salud. Uno de los problemas medioambientales más acuciantes es la creciente presencia de gases contaminantes en la atmósfera, y la investigación en este campo trata de determinar tanto las especies que son perjudiciales como las concentraciones a partir de las cuales son nocivas. Por lo que a este último punto se refiere, las legislaciones medioambientales son cada vez más restrictivas respecto a las concent
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10

Palacios, Padrós Anna. "Anodic tin oxide films: fundamentals and applications." Doctoral thesis, Universitat de Barcelona, 2015. http://hdl.handle.net/10803/292727.

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The study of the electrochemical oxidation behaviour of tin in alkaline media, the development of anodic self-ordered tin oxide nanostructures and its application to laboratory scale devices have been the main focus of this PhD Thesis. The passivation process of Sn has been studied from an electrochemical approach covering the whole range from hydrogen evolution to the final passivation of the metal. The oxides formed in each relevant potential region have been characterized by ex situ techniques and a mechanism for the process has been proposed by correlating composition, morphology and
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11

Weglicki, Peter Stanislaw. "MOCVD of tin oxide for gas sensors." Thesis, University of Salford, 1990. http://usir.salford.ac.uk/26961/.

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Thin films of a wide variety of materials can be produced using an assortment of physical and chemical techniques. Such techniques are reviewed and compared, with particular reference to the deposition of tin oxide films. In the present study, MOCVD (Metal organic chemical vapour deposition) was used to grow thin films of tin oxide from dibutyltin diacetate precursor on a variety of substrates. A series of reactor prototypes were developed in accordance with specific requirements of reproducibility and process control. The evolution of the designs leading to the final working system is detaile
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12

Jim, Wai-yan, and 詹煒炘. "Tin oxide based dye sensitized solar cells." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/206431.

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Dye sensitized solar cells (DSSCs) have received extensive attention among solar cells in recent years as the production cost is comparatively low and photovoltaic performance is good. Apart from TiO2, SnO2-based DSSCs are of great interest since SnO2 has a wide band gap and high mobility. Though the conversion efficiency of SnO2-based DSSCs is still not comparable to TiO2-based DSSCs, there is room for improvement to fabricate an efficient device. In this study, different commercial SnO2 nanoparticles have been compared. The number of SnO2 layers and paste formulation have been optimized. The
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13

Lloyd, Nicholas Charles. "Tin(IV) oxide based emission control catalysts." Thesis, University of Nottingham, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.338436.

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14

Davis, Steven. "Characterisation of nanocrystalline tin oxide sensor materials." Thesis, University of Kent, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244334.

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15

Abeywickrama, N. U. "Laser processing of solution based antimony doped tin oxide thin films." Thesis, Nottingham Trent University, 2013. http://irep.ntu.ac.uk/id/eprint/177/.

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Antimony doped Tin oxide (SnO2:Sb, or ATO) is of interest as an alternative to Indium Tin Oxide (ITO) for large area optoelectronic applications. There is a particular interest in the potential for solution based coatings based on nanoparticulate suspensions of SnO2:Sb. However, solution processed films typically require a high temperature (~700⁰C) annealing step to achieve the desired electrical and optical properties. This is disadvantageous for applications that would benefit from low cost, low temperature/flexible substrates. As an alternative to conventional high temperature annealing, ex
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16

Giangolini, Matteo. "Production and characterization of tin oxide thin films deposited via solution combustion synthesis." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/15816/.

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The main goal of this thesis work is the production and characterization of Tin oxide thin film deposited via Solution Combustion Synthesis (SCS). Different precursors are used in order to study the effect of the chemical nature of the reagent on the structural, morphological and electrical properties of the thin films. Tin oxide was chosen because is one of the most promising candidates for p-type oxide. In fact, the semiconductor oxides reported in the literature are mostly limited to n-type and there is a need for solution processed p-type oxide semiconductors to achieve Complementary Meta
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17

Watson, Thomas Francis. "Tin Oxide Cluster Assembled Films: Morphology and Gas Sensors." Thesis, University of Canterbury. Physics and Astronomy, 2009. http://hdl.handle.net/10092/3160.

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In this thesis, investigations into fabricating tin oxide hydrogen gas sensors from films assembled by the deposition of tin clusters are reported. The tin clusters were formed in a UHV compatible cluster apparatus by DC magnetron sputtering and inert gas aggregation. Through SEM imaging, it was found that the morphology of tin cluster assembled films deposited onto silicon nitride substrates was highly coalesced. The coalescence between the clusters was significantly reduced by reacting the clusters with nitrogen before they were deposited. This resulted in granular films with a grain size cl
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18

Taib, Hariati Materials Science &amp Engineering Faculty of Science UNSW. "Synthesis and electrophoretic deposition of Tin Oxide (SnO2)." Awarded By:University of New South Wales. Materials Science & Engineering, 2009. http://handle.unsw.edu.au/1959.4/44490.

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Submicron tin oxide (SnO2) was obtained from thermal decomposition of tin oxalate (SnC2O4) precipitated at room temperature from amixture of solutions of tin (II) chloride (SnCl2) and oxalic acid (H2C2O4). Aqueous precipitation of SnC2O4 was firstly investigated by parametersvariation of starting material concentrations, addition methods and mixing times. Upon calcination, SnO2 powder tacky and subsequent grinding was found to cause nanosized SnO2 particles to agglomerate into plates. Aqueous??alcohol precipitation was then developed, based on the previously conducted aqueous precipitation St
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19

Ederth, Jesper. "Electrical Transport in Nanoparticle Thin Films of Gold and Indium Tin Oxide." Doctoral thesis, Uppsala University, Department of Materials Science, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3260.

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<p>Electrical transport properties of nanoparticle gold films made by the gas evaporation method were analysed using resistivity measurements. Low temperature electrical transport measurements showed a cross-over from a temperature range dominated by inelastic scattering to a temperature range dominated by elastic scattering, presumably by grain boundaries. This cross-over shifted towards lower temperatures with increasing grain size. </p><p>High temperature in-situ electrical transport measurements were carried out in isothermal annealing experiments. Four types of samples, prepared at differ
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20

Zhang, Shanting. "Study of fluorine-doped tin oxide (FTO) thin films for photovoltaics applications." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAI021/document.

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Avec la demande toujours croissante d'énergie à laquelle l’homme fait face, le photovoltaïque (PV), qui convertit le rayonnement solaire en électricité, a connu ces dernières décennies un développement important. Bien que le marché PV actuel soit principalement dominé par les technologies à base de Si cristallin, la technologie PV à base de couches minces porte toujours l'espoir de contribuer efficacement à l'avenir vis-à-vis de la crise énergétique en raison de son coût beaucoup plus faible et d'une efficacité raisonnable.Les matériaux transparents conducteurs (TCM), principalement des oxydes
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21

Tang, Yin. "Synthesis and Characterization of Tin Oxide for Thin Film Gas Sensor Applications." Case Western Reserve University School of Graduate Studies / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=case1089995414.

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22

Kumar, Surajit. "Fluidic and dielectrophoretic manipulation of tin oxide nanobelts." Diss., Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/34851.

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Nanobelts are a new class of semiconducting metal oxide nanowires with great potential for nanoscale devices. The present research focuses on the manipulation of SnO₂ nanobelts suspended in ethanol using microfluidics and electric fields. Dielectrophoresis (DEP) was demonstrated for the first time on semiconducting metal oxide nanobelts, which also resulted in the fabrication of a multiple nanobelt device. Detailed and direct real-time observations of the wide variety of nanobelt motions induced by DEP forces were conducted using an innovative setup and an inverted optical microscope. High AC
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23

Lam, Wing Yui. "Electrical and optical properties of indium tin oxide." HKBU Institutional Repository, 2014. https://repository.hkbu.edu.hk/etd_oa/58.

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In recent years, portable devices and larger display are the trend of market, so transparent conducting oxides (TCO) draw a considerable interest due to their unique characteristics and essential role in the technology of flat panel display. Indium tin oxide (ITO) is one of the most widely used TCO in the application of display technology. In this work, properties of ITO thin film as a function of dopant ratio and density of sputtering targets had been done. It is found that the mechanism of oxygen vaccines is more dominated in electrical conduction than dopant concentration. Meanwhile, the co
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24

Kielin, Erik Joshua. "Platinized tin oxide: A low-temperature oxidation catalyst." W&M ScholarWorks, 1998. https://scholarworks.wm.edu/etd/1539623941.

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Some combinations of noble metal and reducible metal oxide possess a synergistic level of activity for the catalytic oxidation of CO at lower temperatures and partial pressures of O2 than can be obtained by either component alone. The most promising candidates, Au on MnO2 and Pt on SnO 2, were investigated for the effects on activity of noble metal loading, of reductive pretreatment at elevated temperature, and of reaction gas mixture composition. Optimum activity was obtained at a noble metal loading of 28% Au/MnO2 and 17% Pt/SnO2. Both catalysts benefitted from reductive CO pretreatment at 1
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25

Chaudhary, V. A. "Gas sensing properties of surface ruthenated tin oxide." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2000. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2276.

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26

Baker, Priscilla G. L. "Sol-gel preparation, characterisation and electrochemistry of mixed metal tin oxide electrodes." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/50096.

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27

Shukla, Gyanendra Prakash. "Effect of symthesis parameters on the structural properties of thermally grown tin oxide nanowire." Thesis, IIT Delhi, 2015. http://localhost:8080/iit/handle/2074/6929.

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28

Kurbanoglu, Basak. "Dynamic Resistivity Behavior Of Tin Oxide Based Multilayer Thin Films Under Reducing Conditions." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607051/index.pdf.

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Effects of urban air pollution on health and environment have lead researchers to find economic air quality monitoring regulations. Since tin dioxide (SnO2) was demonstrated as a gas sensing device in 1962, tin oxide based thin film sensors have been widely studied due to their high sensitivity and fast response. The main advantages of using tin oxide sensors are their low cost, small size and low power consumption for mobile system applications. But, in order SnO2 based sensors to meet low concentration of gases they should be highly upgraded in sensitivity, selectivity and stability. This st
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29

Varga, P., M. Schmid, S. Muto, et al. "Growth and structure of an ultrathin tin oxide film on Rh (111)." AIP Publishing, 2011. http://hdl.handle.net/2237/20826.

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30

Ramgir, N. S. "Synthesis and characterization of tin oxide and zinc oxide nanostructured materials for gas sensors." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2006. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2481.

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31

Roy, Nirmita. "Electrical, Optical and Thermal Investigations of Cobalt Oxide-Antimony Doped Tin Oxide (CoO-ATO) Thin Films and Nanofiber Membranes." Scholar Commons, 2017. https://scholarcommons.usf.edu/etd/7441.

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The main aim of this thesis work is to investigate the electrical, optical and thermal impact characteristics of cobalt oxide doped antimony tin oxide (CoO-ATO) in the form of thin films and nanofiber membranes. CoO-ATO is a novel composite material that has the potential to be used as reinforced aircraft coatings, military garment coatings, or more specifically as an anti-reflective (AR) top coating for photovoltaic (PV) cells. This work will be critical in determining the effectiveness of using a CoO-ATO layer in these applications. Electrospun nanofibers and spin coated
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32

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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33

Tahiraj, Klein. "Piezoelectric force microscopy study on zinc tin oxide nanowires." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19405/.

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Self-powered sensor devices could find widespread application to monitor personal health, automobiles or buildings. One of the most ubiquitous form of energy on which these devices could rely is vibrational energy. To convert this energy into electrical energy, the research is focusing on piezoelectric materials. Examples of these materials are ZnO or Zinc Tin Oxides (ZTO). Modelled into nanowires and incorporated into an elastomer at the University of Lisbon, these materials have been demonstrated to result in macroscopically efficient energy conversion. In this work, I use Piezoelectric Forc
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34

Hakimi, Ali Moraad Heydar. "Magnetism and spin transport studies on indium tin oxide." Thesis, University of Cambridge, 2011. https://www.repository.cam.ac.uk/handle/1810/239351.

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This dissertation reports on a detailed systematic study of the investigation into using Indium Oxide based materials in next generation spin-transport electronic applications. Initial studies focused on the optimisation of the electrical properties of Indium Oxide (In2O3) and Tin(Sn)-doped Indium Oxide (ITO) thin films grown using DC magnetron sputtering. The manipulation of various deposition parameters allowed the electrical properties to be tuned effectively. With the desire to create multi-functional spintronic devices, a dilute magnetic oxide system is developed where the In2O3 and ITO m
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35

Heineck, Daniel Philip. "Zinc tin oxide thin-film transistor circuits." Thesis, 2008. http://hdl.handle.net/1957/9975.

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The primary objective of this thesis is to develop a process for fabricating integrated circuits based on thin-film transistors (TFTs) using zinc tin oxide (ZTO) as the channel layer. ZTO, in contrast to indium- or gallium-based amorphous oxide semiconductors (AOS), is perceived to be a more commercially viable AOS choice due to its low cost and ability to be deposited via DC reactive sputtering. In the absence of an acceptable ZTO wet etch process, a plasma-etching process using Ar/CH₄ is developed for both 1:1 and 2:1 ZTO compositions. An Ar/CH₄ plasma etch process is also designed for in
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36

SU, YU-CHENG, and 蘇昱丞. "Fabrication and Characterization of Electrodeposited Tin Oxide and Tin Sulfide Thin Films." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/97490460121485552257.

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碩士<br>逢甲大學<br>電子工程所<br>99<br>This thesis the three-electrode cells method is proposed for investigating to use the prepared tin thin films on ITO/glass substrates. The tin thin films in the electrolyte are divided into two parts including the tin chloride and sulfuric acid systems. The tin oxide thin films were oxidized in air by thermal annealing and then to combine with high-purity sulfur sheet to be annealed in the vacuum-sealed glass tube. The tin sulfide thin films were sulfurized in the vacuum by thermal annealing. For the tin chloride electrolyte system, it’s compose of the tin chloride
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37

Hsiao, Wei-Chih, and 蕭偉志. "Ti-doped Zinc Tin Oxide Thin Film Transistor." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/06620977321865715282.

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碩士<br>國立中正大學<br>光機電整合工程所<br>98<br>In this thesis, we use titanium doped zinc tin oxide (Ti-doped ZTO) transparent thin film as a semiconductor layer to fabricated thin film transistors. To preparing Ti-doped ZTO target to controlled TiO2 content, and used pulsed laser deposition (PLD) system to growth Ti-doped ZTO thin films on silica/silicon (SiO2/Si) substrate by controlling laser pulse energy, laser repetition rate, and O2 gas flow. We fabricated bottom gate thin film transistors for Ti-doped ZTO thin film as channel material and measured the I-V characteristics. To compared different TiO2
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38

Alshankiti, Buthainah. "Low-temperature Synthesis of Tin(II) Oxide From Tin(II) ketoacidoximate Precursor." Thesis, 2015. http://hdl.handle.net/10754/552645.

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Sn (II) oxide finds numerous applications in different fields such as thin film transistors1, solar cells2 and sensors.3 In this study we present the fabrication of tin monoxide SnO by using Sn (II) ketoacid oximate complexes as precursors. Tin (II) ketoacidoximates of the type [HON=CRCOO]2Sn where R= Me 1, R= CH2Ph 2, and [(MeON=CMeCOO)3Sn]- NH4 +.2H2O 3 were synthesized by in situ formation of the ketoacid oximate ligand. The crystal structures were determined via single crystal X- ray diffraction of the complexes 1-3 revealed square planar and square pyramidal coordination environments for
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39

Mao, Chih Wei, and 毛植葳. "Low temperature preparation of transparent conductive indium-tin oxide thin films by solvothermally synthesized indium-tin oxide nano-slurry." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/02850688264173494177.

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碩士<br>長庚大學<br>化工與材料工程學系<br>99<br>The objective of this research was to prepare nano-crystalline ITO powders by combining coprecipitation process with solvothermal process without the procedure of calcination. In addition, the effects of both the coprecipitation process and the solvothermal process on the characteristics of ITO nano-powders were also investigated. These solvothermally synthesized ITO nano-powders were then used to prepare ITO conductive slurry by adjusting suitable dispersant. Finally, transparent conductive ITO thin films ㄍdeposited on glass substrates by spin coating the glas
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40

Lin, Zheng, and 林整. "Gas-sensing characteristics of tin oxide." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/60656400081431804479.

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41

Tung, ChienYueh, and 董建岳. "Synthesis of Mesoporous Nanocrystalline Tin Oxide." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/92216188554705242619.

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碩士<br>國立臺灣大學<br>化學工程學研究所<br>90<br>Fully crystallized tin oxide of high surface area and nanopore-size uniformity was obtained by adopting a novel process which including Liquid-Crystal-Template, Sol-Gel method and HMDS used. Tin oxide hydrous sol was first synthesized and peptized via the conventional sol-gel process and then mixed with cetyltrimethylammonium bromide (CTAB). After heating at 300oC to completely burn off the organics, the resulted crystalline tin oxide powder exhibited a surface area of 303 m2/g and an average pore size of 2.9 nm. When adding HMDS in the synthetic process, crys
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42

Chiang, Hai Q. "Development of zinc tin oxide-based transparent thin-film transistors." Thesis, 2003. http://hdl.handle.net/1957/30002.

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The focus of this thesis involves development of highly transparent, n-channel, accumulation- mode thin-film transistors employing a zinc tin oxide (ZTO) channel layer. ZTO-based transparent thin-film transistors (TTFTs) show improved device performance compared to ZnO-based TTFTs. An estimated peak effective mobility for these devices as high as ~100 cm² V⁻¹sec⁻¹ has been observed, although effective mobilities in the range of 20-50 cm²V⁻¹sec⁻¹ are more common. This performance inconsistency may be due, in part, to the large device dimensions employed in developmental test structures and/or t
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43

Varghese, Oomman K. "Gas sensing behaviour of nano-grain tin oxide thin films." Thesis, 2000. http://localhost:8080/iit/handle/2074/4199.

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44

Chen, Meng-Hsien, and 陳盟憲. "Preparation and Characterization of Indium Tin Oxide." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/39449394657665599897.

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碩士<br>逢甲大學<br>材料科學所<br>92<br>Tin-doped Indium oxide (i.e., ITO) films have been widely used in electro-luminescent and photovoltaic optical devices due to the high conductivity (~200 mW-cm) and visible-light transparency (~85%). In addition, it has reported recently that transparent, conductive ITO films exhibit excellent gas sensing properties in detecting humidity, CO, NOx, etc., and are potential candidate for gas sensing applications. Our research employed RF sputtering and gas condensation method to prepare indium tin oxide thin films and nanocrystalline powders, respectively. In prepar
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45

Ko, Hung-Pin, and 柯弘彬. "The study on EGFET of tin oxide." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/57230235409457192384.

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碩士<br>長庚大學<br>電子工程研究所<br>92<br>More recently the Ion Sensitive Field Effect Transistor (ISFET) has been studied extensively because of some advantages over ISE (ion sensitive electrode). Its advantage included small size, rapid response. In this study, we used EGFET to be the most important structure of pH-sensor. The EGFET had advantages of the low cost、fast response and easy to epoxy. The tin oxide (SnO2) thin film which was fabricated by R.F sputtering deposition was used as a pH-sensing membrane. We used SU-8 as a photoresist to define the different size Sensing areas. In the fi
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46

S-Yen, Wang, and 王世源. "Research on Processing of Tin Oxide Gels." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/69146484973841792968.

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博士<br>國立臺灣大學<br>化學工程學研究所<br>87<br>In this dissertation, firstly, the gel (|Zeta-potential| < 35 mV) prepared from tin chloride(SnCl4.5H2O), ethanol(95%) and deionized water was peptized to a transparent sol solution (Zeta-potential =-75 mV) by ammonia solution. Moreover, The SnO2 sol solution is a Newtonian fluid. Secondly, shrinking behavior of tin oxide gels during solvent exchange in CO2 supercritical drying was investigated. The drying process consisted of two solvent-exchanging steps, including first replacement of water by acetone and second replacement of acetone by liquid CO
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47

Lee, Cheng-Tao, and 李承道. "Preparation and Characterization of Tin Oxide Phosphors." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/01999444522039001498.

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碩士<br>國立臺灣大學<br>化學工程學研究所<br>96<br>Spherical Sn1-xO2: Sm phosphors were successfully synthesized via a microwave-assisted solvothermal route. A broad excitation band ascribed to the host absorption was observed at 318 nm. The prepared phosphors had several emission peaks at 560-700 nm assigned to f-f transition of Sm3+. The emission intensity of Sn1-xO2: Sm phosphors was increased with increasing the concentration of Sm3+ up to x = 0.9%. When the concentration of Sm3+ was further increased, the emission intensity was reduced due to the formation of an impurity phase. As the power of microwave
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48

Yi-Yang, Jiang, and 江宜陽. "Wet Recovery Process for Tin Oxide Precipitates." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/12610874201408905660.

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碩士<br>明新科技大學<br>化學工程與材料科技系碩士班<br>101<br>For the tin oxide precipitates from the treatment of spent tin stripping solution in the manufacture of printed circuit boards, the pure metallic tin can be recovered by using the wet recovery process. From the experimental study of high-temperature alkali melting of tin oxide precipitates with sodium hydroxide, hot water leaching, and electrolytic refining steps in the wet recovery process, the better operation conditions were determined.
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49

Su, Ching-Yi, and 蘇靜怡. "Synthesis of Mesostructured Tin Oxide bySupramolecular Templating." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/12539352465497722163.

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碩士<br>國立中山大學<br>材料科學研究所<br>91<br>In this research, cetyltrimethylammonium bromide (CTAB) is used as organic template and hydrous tin chloride (SnCl4) is used as inorganic precursor to prepare mesostructured SnO2 powder. The synthesis is carried out in the room temperature using NH3(aq) as pH-modifier. The changing variables in the synthesis process include: the mixing sequence of CTAB(aq), SnCl4(aq) and NH3(aq), the molar ratio of CTAB/SnCl4 (R), the pH value of the mixture and the aging time of the mixture. The X-ray diffraction (XRD) results show that the pH value of the mixture is the deter
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50

Lee, Cheng-Tao. "Preparation and Characterization of Tin Oxide Phosphors." 2008. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-1507200811141500.

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