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Rozprawy doktorskie na temat „ZnO/Ag”

Autor: Grafiati

Data publikacji: 19 października 2024

Data aktualizacji: 31 lipca 2025

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1

Lucilha, Adriana Campano. "Nanocristais de ZnO e Ag-Ag2O-ZnO : síntese, caracterização heterogênea." Universidade Estadual de Londrina. Centro de Ciências Exatas. Programa de Pós-Graduação em Química, 2011. http://www.bibliotecadigital.uel.br/document/?code=vtls000184639.

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Dentre os processos de oxidação avançados (POAs), a fotocatálise heterogênea mediada por óxidos semicondutores como ZnO e TiO2 tem sido muito efetiva na remoção de cor com baixo nível de contaminante. As caracterizações estruturais e morfológicas dos fotocatalisadores utilizados neste processo são importantes, pois o conhecimento da composição da camada superficial do sólido, viabiliza a compreensão da capacidade de adsorção e de fotocatálise. Este trabalho tem como objetivo sintetizar e caracterizar nanocristais de ZnO e Ag2O-ZnO obtidos em diferentes temperaturas e aplicar na fotocatálise do

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Ibn, Mahrsi Mouna. "Nanohybrides ZnO/Ag ou ZnO/oxyde de cuivre pour applications photocatalytiques." Electronic Thesis or Diss., Université de Lorraine, 2024. http://www.theses.fr/2024LORR0044.

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La croissance rapide de la population ainsi que l'industrialisation ont suscité des inquiétudes majeures quant à la disponibilité de l'énergie et à la pollution de l'environnement. La résolution de ces problèmes est au cœur de nombreuses recherches à l'échelle mondiale. L'énergie solaire, en tant que source d'énergie propre et pratiquement inépuisable, devrait être efficacement exploitée, notamment via des processus photocatalytiques, pour améliorer la dépollution environnementale. Les nanomatériaux hybrides, tels que ZnO/métal noble et ZnO/oxydes métalliques, se positionnent comme des candida

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Phillips, Charlotte Louise. "First principles modelling of the ZnO/Ag interfacial system." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611694.

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Theodorou, Ioannis. "Bioreactivity of ZnO and Ag nanostructures in the lung." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/43959.

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One-dimensional nanomaterials (NMs) have become the focus of intensive research due to their unique physicochemical properties and their application in the fabrication of nanoscale devices. Silver (Ag) and zinc oxide (ZnO) nanowires (NWs) are considered as potential building blocks for the next generation of optical, electronic and sensing devices. However, there is currently limited information on human health effects from Ag and ZnO NW exposures, but concerns have been raised about a potentially greater toxicity compared to their non-fibrous counterparts. Inhalation of Ag and ZnO NWs represe

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Azevedo, Carla Sofia Leite. "Toxicity of Ag decorated ZnO nanomaterials to Daphnia magna." Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/15411.

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Mestrado em Toxicologia e Ecotoxicologia<br>A nanotecnologia é uma área em crescimento e os nanomateriais (NMs) podem ser encontrados numa vasta variedade de produtos como equipamentos ou dispositivos médicos e cosméticos. Os NMs atraem muita atenção devido à sua grande reatividade, resultado da sua elevada área de superfície em relação ao seu volume. Eles podem apresentar diferentes composições químicas, tamanhos e formas, o que pode influenciar o seu comportamento. Devido ao aumento de produção e presença em bens de consumo, os NMs podem chegar ao ambiente devido a introdução direta ou indi

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Singh, Jai, O. N. Srivastava, R. S. Tiwari, and P. Kumar. "Structural and optical investigations of low temperature solution based synthesized ZnO and Ag admix ZnO nanoparticles (NPs)." Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/20574.

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Опанасюк, Анатолій Сергійович, Анатолий Сергеевич Опанасюк, Anatolii Serhiiovych Opanasiuk та ін. "Чорнила на основі наночасток Ag, ZnO, Cu2ZnSnS4 для друку електронних схем". Thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/67837.

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Останнім часом виготовлення елементів побуту переходить від адитивного методу виробництва до формування цілісного об’єкта методом 3D друку. Це пов’язано з тим, що цей метод дає змогу здешевити і пришвидшити виробництво, а в подальшому перенести виготовлення нескладних предметів побуту безпосередньо в людські домівки. Технологія друку чорнилами на основі наночастинок металів та напівпровідників дає змогу швидко та дешево створювати електричну розводку і напівпровідникові елементи приладів сенсорики, прозорої електроніки та геліоенергетики.

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8

Londono, Zuluaga Nathalia. "Impacts of engineered nanoparticles (TiO2, ZnO, Ag) on aquatic microbial communities." OpenSIUC, 2016. https://opensiuc.lib.siu.edu/theses/1858.

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The production and uses of engineered nanoparticles (ENPs) have been increasing with the expansion of science and technology, and their unavoidable disposal into the soil and waterways, eventually ended up in the ocean causes serious concerns about their potential hazards to the environment and human health. The need to comprehend the impacts of ENPs in our aquatic ecosystem has motivated this research to study: 1) effect of TiO2 on Crypthecodinium cohnii; 2) effects of TiO2 and ZnO on an aquatic microbial community simulating a static lake environment; and 3) effects of TiO2, ZnO and Ag on a

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9

Rojas, Michea Carolina Valeria. "Actividad fotocatalítica de nanoestructuras ZnO y ZnO:M (M: Fe, Cu, Ag)." Tesis, Universidad de Chile, 2016. http://repositorio.uchile.cl/handle/2250/144084.

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Magíster en Ciencias de la Ingeniería, Mención Ingeniería Química<br>En el presente trabajo de investigación se sintetizó materiales nanoestructurados de óxido de cinc mediante la técnica de sol gel. Con el objetivo de mejorar sus capacidades fotocatalíticas en la síntesis se incorporó cantidades conocidas de metales (dopaje), a saber, Cu, Fe y Ag, esto para producir cambios en su morfología y estructura cristalina. Se incorporó cobre en un 0.5, 1, 1.5 y 2% en fracción molar, hierro en un 0.25, 0.5, 0.75 y 2% en fracción molar y plata en un 0.5, 2, 3, 6 y 9% en fracción molar. Para caracteriz

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10

Гузенко, Олександр Ігорович, Александр Игоревич Гузенко, Oleksandr Ihorovych Huzenko та ін. "Газочутливий елемент детектора, створений методом друку з використанням наночорнил Ag та ZnO". Thesis, Сумський державний університет, 2020. https://essuir.sumdu.edu.ua/handle/123456789/80968.

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11

Gunputh, Urvashi Fowdar. "Antibacterial properties of TiO2 nanotubes coated with nano-ZnO and nano-Ag." Thesis, University of Plymouth, 2018. http://hdl.handle.net/10026.1/11155.

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TiO2 nanotubes grown on titanium alloy are known to increase the biocompatibility of the alloy when used in dental/orthopaedic implants. Furthermore, their nanotubular structures can act as antibacterial agent carrier and as a scaffold for tissue engineering with the aim of adding antibacterial properties to the implant. This study aims at fabricating an antibacterial and biocompatible nanocomposite coating on Ti-6Al-4V involving nano-ZnO and nano-Ag. Initially, TiO2 nanotubes were self-assembled on the polished surface of medical grade Ti-6Al-4V alloy discs using anodisation. First silver nan

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Santos, Patrícia Barros. "Estudo da fotodegradação no visível do corante Reactive Black 5 por catalisadores plasmônicos híbridos Ag∕ZnO e Cu∕ZnO." Universidade Federal de Juiz de Fora (UFJF), 2016. https://repositorio.ufjf.br/jspui/handle/ufjf/4408.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2017-05-04T15:25:57Z No. of bitstreams: 1 patriciabarrossantos.pdf: 5111164 bytes, checksum: a7268529a7643972391f0dd226a987a3 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2017-05-17T13:32:29Z (GMT) No. of bitstreams: 1 patriciabarrossantos.pdf: 5111164 bytes, checksum: a7268529a7643972391f0dd226a987a3 (MD5)<br>Made available in DSpace on 2017-05-17T13:32:29Z (GMT). No. of bitstreams: 1 patriciabarrossantos.pdf: 5111164 bytes, checksum: a7268529a7643972391f0dd226a987a3 (MD5) Previous is

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Moreira, Micheline Dami?o Dias. "Rotas de s?nteses qu?micas para obten??o de nanopart?culas de Ag/Y-Al2O3 e Ag/ZnO com propriedades bactericidas." PROGRAMA DE P?S-GRADUA??O EM CI?NCIA E ENGENHARIA DE MATERIAIS, 2017. https://repositorio.ufrn.br/jspui/handle/123456789/23497.

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Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-06-13T18:57:01Z No. of bitstreams: 1 MichelineDamiaoDiasMoreira_TESE.pdf: 6260721 bytes, checksum: 84aeef87257d33ac9e04bb303022e1cf (MD5)<br>Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-06-14T00:20:11Z (GMT) No. of bitstreams: 1 MichelineDamiaoDiasMoreira_TESE.pdf: 6260721 bytes, checksum: 84aeef87257d33ac9e04bb303022e1cf (MD5)<br>Made available in DSpace on 2017-06-14T00:20:11Z (GMT). No. of bitstreams: 1 MichelineDamiaoDiasMoreira_TESE.pdf: 6260721 bytes, checksum: 84aeef87

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Sainju, Deepak. "Spectroscopic Ellipsometry Studies of Ag and ZnO Thin Films and Their Interfaces for Thin Film Photovoltaics." University of Toledo / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1430326934.

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Souza, Renata Priscilla de Ara?jo. "Estudo das propriedades self-cleaning em substrato t?xtil e magn?ticas do ZnO: Ag nanoestruturado." PROGRAMA DE P?S-GRADUA??O EM CI?NCIA E ENGENHARIA DE MATERIAIS, 2016. https://repositorio.ufrn.br/jspui/handle/123456789/23643.

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Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-07-17T12:14:30Z No. of bitstreams: 1 RenataPriscillaDeAraujoSouza_TESE.pdf: 4547279 bytes, checksum: 4f04ca670330f1250ce98cf02b59ec9d (MD5)<br>Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-07-17T15:04:44Z (GMT) No. of bitstreams: 1 RenataPriscillaDeAraujoSouza_TESE.pdf: 4547279 bytes, checksum: 4f04ca670330f1250ce98cf02b59ec9d (MD5)<br>Made available in DSpace on 2017-07-17T15:04:44Z (GMT). No. of bitstreams: 1 RenataPriscillaDeAraujoSouza_TESE.pdf: 4547279 bytes, checksum: 4f

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Matsushita, Alan Fernando Yoshiaki. "PREPARAÇÃO E CARACTERIZAÇÃO DE NANOPARTÍCULAS de Ag e ZnO E INCORPORAÇÃO EM FIBRAS DE TECIDOS DE ALGODÃO." UNIVERSIDADE ESTADUAL DE PONTA GROSSA, 2014. http://tede2.uepg.br/jspui/handle/prefix/2128.

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Made available in DSpace on 2017-07-24T19:38:13Z (GMT). No. of bitstreams: 1 Alan Fernando Matsushita.pdf: 4074465 bytes, checksum: 5a6766b6dfd2ff1e7de5f241b872a175 (MD5) Previous issue date: 2014-03-07<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The fabrics are used for various applications in our daily life, and particularly natural fabrics such as cotton are susceptible to bacterial growth due to moisture that it can accumulate which facilitates this process and also the fibers themselves may serve as nutrients for the growth of microorganisms. In this work, the synt

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17

Dias, Hércules Bezerra. "Síntese e caracterização de nanopartículas de ZnO e TiO2 dopadas com Ag para aplicação em materiais dentários." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/18/18158/tde-14012015-151052/.

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Resinas compostas comumente utilizadas em restaurações, anteriores e posteriores, resultam em maior acúmulo de biofilme bacteriano do que outros materiais restauradores, o que contribui para a formação de cáries secundárias e levam à falha das restaurações. Métodos para inibir a formação do biofilme sobre materiais restauradores dentais vêm sendo estudados há décadas e a inserção de nanopartículas (NPs) representa o que há de mais avançado nos estudos de formulação de materiais dentários antibacterianos. A literatura recente relata que resinas compostas contendo NPs de óxidos metálicos, tais c

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Santana, Suelanio Viegas de. "Nanopartículas de prata e Ag/Zno nanoestruturado como agentes antimicrobianos obtidos por processo hidrotermal de micro-ondas." Universidade Federal da Paraíba, 2012. http://tede.biblioteca.ufpb.br:8080/handle/tede/7075.

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Made available in DSpace on 2015-05-14T13:21:16Z (GMT). No. of bitstreams: 1 Arquivototal.pdf: 3817465 bytes, checksum: 48db05ac5b1af395dffcbde5a5601151 (MD5) Previous issue date: 2012-08-29<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>This study consists of the acquisition, characterization and evaluation of antimicrobial silver nanoparticles and nanostructured Ag/ZnO. The silver nanoparticles were obtained through a new route using AgNO3 as precursor salt and ammonium citrate as reducing agent. Concerning the commercial zinc oxide, silver nanoparticles were

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19

Liu, Shuyi [Verfasser]. "Development of Low-Temperature Photon Scanning Probe Microscopy and Nanoscale Characterization of Ultrathin ZnO Layers on Ag(111) / Shuyi Liu." Berlin : Freie Universität Berlin, 2019. http://d-nb.info/1198212047/34.

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Andrade, George Ricardo Santana. "Híbridos de ZnO auto-organizado na forma de estrelas e nanopartículas metálicas (Ag, Au) : síntese controlada e avaliação fotocatalítica e antibacteriana." Universidade Federal de Sergipe, 2016. https://ri.ufs.br/handle/riufs/3464.

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Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq<br>Zinc oxide (ZnO) microparticles with a star-shaped morphology have been synthesized by a novel and simple room-temperature method and decorated with gold (GNP) and silver (SNP) nanoparticles for enhanced photocatalysis and bactericide applications. The presence of thiourea during the precipitation of ZnO in alkaline conditions allowed the control of morphological features (e.g. average size and shape) and the surface functionalization with thiocyanate ions (SCN-). TEM images of the sample prepared at pH 12

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Khoza, Phindile, and Tebello Nyokong. "Visible light transformation of Rhodamine 6G using tetracarbazole zinc phthalocyanine when embedded in electrospun fibers and in the presence of ZnO and Ag particles." Taylor & Francis Group, 2015. http://hdl.handle.net/10962/d1020251.

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Herein, we report the photocatalytic transformation of Rhodamine 6G (Rh 6G) using tetracarbazole zinc phthalocyanine (TCbZnPc) when alone or when conjugated with ZnO macroparticles (ZnOMPs) and silver nanoparticles (AgNPs), represented as TCbZnPc–ZnOMPs and TCbZnPc–AgNPs, respectively. The photocatalysts were supported onto electrospun polystyrene fibers. The efficiency of TCbZnPc was improved by the presence of both ZnOMPs and AgNPs. HPLC equipped with UV–vis was used to study phototransformation products. The mechanism of transformation was via the N-de-ethylation of Rh 6G.<br>Original publi

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Kerivel, Olivier. "Dopage des films minces de ZnO : étude de l’insertion d’Al par spectroscopie d’absorption X et de l’interaction du Mg avec des couches ultra-minces épitaxiées sur Ag(111)." Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS543.

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Les films minces de ZnO sont aujourd’hui incontournable dans un grand nombre de domaine, tel que l’optoélectronique, le photovoltaïque, l’électronique flexible et le revêtement vérié, qui exploitent tous son caractère semi-conducteur et sa transparence dans le domaine visible. Dans beaucoup de ces applications, cet oxyde est dopé à l’Al (AZO) pour améliorer sa conductivité sans nuire à sa transmittance. C’est le cas notamment dans l’industrie verrière où l’AZO est utilisé, entre autre, comme couche d’accroche pour d’autres films minces. De ce dopage, peut résulter des problèmes d’adhésion ou d

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23

Chung, Hsin-Yi, and 鍾心怡. "Preparation and Characterization of Heterogeneous Ag/ZnO." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/40561869273860080918.

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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>Ag/ZnO nanomaterials were synthesized by three different processes in this study. The Ag-deposited ZnO obtaining from process A were prepared by mixing Zn(NO3)2•6H2O and hexamethylenetetramine (HMT) at a mole ratio of 2:1 as well as AgNO3. The process B first prepared ZnO by reacting with Zn(NO3)2•6H2O and HMT at a mole ratio of 2:1; then, The Ag-deposited ZnO rods were formed by adding AgNO3 to the ZnO suspension. The Ag/ZnO heterostructures obtaining from process C were first prepared ZnO nanoparticles by heating Zn(CH3COO)2•2H2O at 65C and pH 13 i

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Cheng, Chun-Han, and 程俊翰. "Study on High Conductive and Transparent Ag/ZnO." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/vqbxg9.

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碩士<br>國立虎尾科技大學<br>光電與材料科技研究所<br>102<br>In this article, we have reported on the low-temperature-grown zinc oxide (ZnO) grown by dual-plasma-enhanced metal organic chemical vapor deposition (DPEMOCVD) facility. The ZnO grown on sapphire at 185 oC . A transmittance of 87 %, and resistivity of 6.94 Ωcm. Then deposition of silver nanoparticles on top of the zinc oxide thin films by liquid phase deposition. Analysis of different concentrations of silver nitrate and sodium hydroxide, different deposition time, different annealing temperatures, different annealing time. The optimum concentration of 0

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Rakgalakane, Ben Pesana. "Aqueous synthesis and characterization of CdSe/ZnO and Ag/ZnO core/shell nanomaterials." Thesis, 2012. http://hdl.handle.net/10210/5323.

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M.Sc.<br>This dissertation describes the synthesis and characterization of CdSe/ZnO and Ag/ZnO core/shell nanoparticles using water as a solvent. The effects of the concentration of the shell precursor, pH, and stabilizing agents on the properties of the nanoparticles were investigated. In general, the type of capping agents had an influence on the crystallite size of the core nanocrystals. The particle size distributions which were calculated from TEM images show that thioglycolic acid as a capping agent produced larger particle sizes compared to thioglycerol. For example, thioglycolic acid p

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Qian, Dong-Wei, and 錢東緯. "Improving photocatalytic ability of ZnO by coupling with Ag." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/67759431365146303580.

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碩士<br>淡江大學<br>化學工程與材料工程學系碩士班<br>100<br>The ZnO and Ag-coupled ZnO (Ag/ZnO) photocatalytic particles were synthesized using a polyol process and/or a photochemical reduction technique. Effects of Ag contents and calcination temperature on characteristics and photocatalytic abilities of the ZnO and Ag/ZnO particles were investigated using thermal analysis, x-ray diffraction, infrared spectroscopy, diffusion-reflectance spectroscopy, BET specific surface area measurement, scanning electronic microscopy, transmission electronic microscopy and photocatalytic reaction test system. The properties and

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Liu, Fang-Cheng, and 劉芳成. "A Study on the ZnO-based Homojunction and ZnO/GaN Heterojunction Diodes with p-type Ag-ZnO Cosputtered film." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/645829.

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碩士<br>國立虎尾科技大學<br>光電工程系光電與材料科技碩士班<br>106<br>In study,Ag dope ZnO films were prepared by RF magnetron co-sputtering system by p-type film, the heat treatment undoped ZnO film is activated, Changing the intermediate activation layer, adding barrier layer AlN-ZnO film double hetero-junction, improving the electronic hole limitation ability of the film, and adding aluminum nitride boundary layer to increase the ability of electronic limitation, so that the benefit of luminescence will be changed, is hall measurement of electrical properties and photoluminescence spectra to understand film stacking

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Hung, Pei-Shan, and 洪珮珊. "Impacts of ZnO, Ag, Fe Nanoparticles on Biological Phosphorus Removals." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/85327544200027917677.

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碩士<br>國立暨南國際大學<br>土木工程學系<br>101<br>This study explored the impacts of ZnO, Ag, Fe nanoparticles on biological phosphorus removal. Experimental results showed that the phosphorus removal ability of phosphorus accumulating organism (PAO) was completely inhibited when ZnO nanoparticle concentration was 2 mgl-1. Only 7% removal ability remained when Ag nanoparticle concentration was 10 mgl-1. The phosphorus removal ability of PAO was initially inhibited at 100 mgl-1 concentration of Fe nanoparticle Statistical analysis showed that the three kinds of nanoparticles significantly affected the PAO’s m

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Ya-ChiKo and 柯雅淇. "Preparation and application of Ag/ZnO/reduced graphene oxide nanocomposite." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/03458305987687493846.

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碩士<br>國立成功大學<br>化學工程學系<br>103<br>In this study, Ag/ZnO/reduced graphene oxide (Ag/ZnO/rGO) nanocomposite was fabricated and its applications in the detection and killing of bacteria were investigated. This nanocomposite combined the photocatalytic property of ZnO nanoparticles, the high specific surface area and near infrared (NIR) photothermal conversion property of rGO, and the bacteria-killing capability and surface enhanced Raman scattering (SERS) property of Ag nanoparticles. At first, ZnO/rGO nanocomposite was prepared from zinc acetate and graphene oxide (GO) by solvothermal method in t

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Hsu, An-di, and 許安迪. "The study of ZnO nanowires with Ag nanoparticles byhydrothermal method." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/25041335149645490967.

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碩士<br>國立臺南大學<br>電機工程研究所<br>98<br>In this paper, the ZnO and silver nanoparticles - ZnO nanowires were prepared on the glass substrates by hydrothermal method and were used to make the ultraviolet photodetector and gas sensor. We used the zinc nitrate hexhydrate (Zn (NO3)2. 6H2O) 、 hexamethylenetetramine (C6H12N4) and silver nitrate (AgNO3) to synthesize the silver nanoparticles - ZnO nanowires, without the silver nitrate in front of the three precursor solution namely was the part of no silver nanoparticles. The ZnO nanowires and silver nanoparticles - ZnO nanowires would be analyzed by SEM, X

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Kao, Wei-tsung, and 高維聰. "Photocatalyst and Characterization of ZnO and Ag-doped ZnO Nanowires Synthesized by Ultraviolet-light Decomposition Process." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/58581445556709207513.

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Chang, Yu-Wei, and 張育瑋. "Study of low resistance and high transmittance of ZnO/Ag/ZnO transparent conductive oxide thin film." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/02696129056944953331.

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碩士<br>明新科技大學<br>化學工程與材料科技系<br>99<br>Transparent conductive oxide film shows high transmittance in the visible region, and low conductivity, But, a single layer of transparent conductive oxide can not achieve a satisfactory resistivity. There are several approach to reach this tragets. One of them, by inserting a thin low resistivity metal layer into the matrix of transparent conductive oxide. The multilayers have enough visible transmittance and low resistivity. In this thesis, an indium-free zinc oxide /silver/zinc oxide stack layer (ZAZ) on the glass with high conductivity and high transmit

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Yu-Chen, Yen, and 陳彥友. "Multifunctional Polyacrylonitrile-ZnO/Ag Electrospun Fiber Membranes: Various ZnO Morphologies for Photocatalytic, UV-shielding, and Antibacterial Applications." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/83814956739342519329.

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碩士<br>國立臺北科技大學<br>有機高分子研究所<br>102<br>In this study, we firstly prepared polyacrylonitrile (PAN)-ZnO/Ag composite ES fiber membranes consisting of pineal-type, flower-type, and sea-urchin-type ZnO morphologies by using ES technique, hydrothermal synthesis, and Ag reduction. The effects of the various ZnO structures on the fiber morphologies, photocatalytic efficiency, UV protection, and mechanical properties as well as how the additive Ag enhanced antimicrobial activity. Our results indicated that the photocatalytic and UV-protection efficiency of PAN-ZnO/Ag ES fiber membranes can be altered by

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Li-Yi, Tsai, and 蔡禮義. "Photocatalyst and Characterization of ZnO and Ag-doped ZnO Nanorods Synthesized by Oil-bath Thermal Decomposition Process." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/45394328827330268220.

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碩士<br>逢甲大學<br>材料科學與工程學系<br>102<br>In this study, ZnO (Znic oxide) nanorods have been synthesized using chemical solution reaction method, oil bath, which is low cost and short process time (only require five minutes). For commercial application this have development potential. As-synthesized ZnO nanorods have been addressed to characterize the photocatalytic. Zinc acetylacetonate hydrate (Zn(AcAc)2) was acted as a solute while denatured ethanol and deionized water were used as solvent to prepare the Zn(AcAc)2 precursors. Using Zn(AcAc)2 precursors into the round-bottomed beaker with 200 ℃ sili

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Chiu, Hsu-Feng, and 邱旭鋒. "Self-Assembled Ag Particles on Si0.8Ge0.2 and Growth of ZnO Nanowires." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/52300959224410792897.

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碩士<br>國立清華大學<br>材料科學工程學系<br>92<br>Abstract Self-assembled Ag particles on Si0.8Ge0.2 and the growth of ZnO nanowires have been investigated. Self-assembled method is utilized for the formation of surface structure of Ag nanoparticles on Si0.8Ge0.2. The surface reaction was induced in a furnace with N2 flowing. The resulting surface structure of Ag on SiGe was characterized by scanning electron microscopy (SEM), energy dispersion spectrometer (EDS), and transmission electron microscopy (TEM). Ag atoms were observed to segregate to the node points of the honeycomb structure after annealing a

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Wei-KangHsieh and 謝濰岡. "Investigation of thermal treatment for ZnO photodetector with Ag nano-interlayer." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/97922299881154848416.

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Tu, Tsung-Hsien, and 凃宗賢. "A study on the Ag/n-ZnO thin film Schottky diode." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/91343592370066964362.

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碩士<br>崑山科技大學<br>光電工程研究所<br>100<br>The preparation of sol-gelprocessed zinc oxide (ZnO) thin film and ZnO based Schottky were proposed in the thesis.The ZnO thin film was deposited on Si substrate and annealed by rapid thermal annealing at 800℃ for 45 sec.The electrodes of the Schottky diode was deposited silver by thermal evaporation and then were annealed by RTA at 200 and 350℃, respectively.The Schottky diode shows a barrier height of 0.84 eV with an ideality factor of 1.74 and a reverse leakage current of 0.12 mA after was annealed at 350℃. In addition,the Norde model and Cheung''s equation

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CHU, YEN-LIN, and 朱彥霖. "Study for the Gas Sensors Based on Ag-doped ZnO Nanosheets." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/s2mb7y.

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碩士<br>國立虎尾科技大學<br>光電工程系光電與材料科技碩士班<br>106<br>In this study, the zinc oxide (ZnO) nanosheets produce gas sensors were investigated. By using the hydrothermal method, the Ag-doped zinc oxide nanosheets were synthesized, explored to produce stable and good characteristics of gas sensors. There are two sections of study are as follows. The first section : The zinc oxide films as seed layers were deposited on glass substrates by radio frequency magnetron sputtering (RF-sputtering) technique. The zinc nitrate (Zn(NO3)2‧6H2O), hexamethylenetetramine (HMTA) and different concentrations of silver n

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Li, You-He, and 李佑禾. "An Investigation on Ag-ZnO Films and Fabrication on Homojunction Diode." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/as742s.

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碩士<br>國立虎尾科技大學<br>光電工程系光電與材料科技碩士班<br>105<br>In study,Ag dope ZnO films and undoped ZnO films were prepared by RF magnetron co-sputtering system by Ag and ZnO tragets,using annealing system activates the dopant atoms in the films.The results showed that the undoped ZnO exhibits n-type conductive,and Ag-ZnO exhibite p-type conductive.By XRD diffraction spectra, the peak position of the Ag-ZnO films are lower than normal ZnO (002) peak position of 34.36°.This is caused by Ag ions replaves the Zn ions,because which Ag radius greater than Zn radius.The current-voltage characteristics,Ni/ITO and ITO

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HUANG, YAO-TE, and 黃耀德. "Raman scattering enhancement by 3D ZnO/Ag nanostructures using ferroelectric templates." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/dhu8ya.

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碩士<br>國立臺北科技大學<br>光電工程系<br>107<br>In this paper, a novel surface enhanced Raman scattering (SERS) substrate prepared by using a lithium niobate ferroelectric template is proposed. The ferroelectric template is fabricated using a periodic proton exchange process. The study is divided into two experiments. The first experiment was to fabricate a three-dimensional structure SERS substrate, and the second experiment was to transfer the silver particles on the SERS substrate using tape. First, the first experiment was to control the zinc oxide growth time and photoreduction silver particle time to

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CHEN, SYUAN-YE, and 陳炫曄. "Temperature and Atmosphere Dependence of Ag-doped P-type ZnO Thin Film." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/tu78v8.

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CHAO, SYUN-RU, and 趙珣如. "Preparation of Ag-doped ZnO/CuO Heterojunction Gas Sensor with Room Temperature." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/k8yt4b.

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碩士<br>國立高雄科技大學<br>化學工程與材料工程系<br>107<br>In this study, inkjet printing technology was used to prepare a looped electrode composed of silver nanoparticles on flexible polyimide (PI) films. Pure ZnO and CuO were synthesized by hydrothermal method. ZnO, CuO and Ag doped ZnO/CuO were used as sensing layer and coated onto sliver electrode. To improve the traditional semiconductor gas sensor needs to be applied the high temperature environment, the gas sensing was tested under room temperature with UV LED. Silver particles was synthesized by a simple polyol reduction method. The silver nanoparticle w

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Hung, Sung-Wei, and 洪松慰. "Syntheses and Characterization of Multi-functional N-doped Nano-ZnO Visible Light Photocatalyst and ZnO-Ag Nano-composite Particles." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/nwa54g.

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碩士<br>國立臺北科技大學<br>材料科學與工程研究所<br>95<br>In this study, N-doped ZnO nanoparticles with rod-like and tetrapod-like morphologies were synthesized on a mass scale using the DC thermal plasma approach. The N-doped ZnO nanoparticle has a strong absorption below 420 nm and significant absorption in the visible range from 450 to 650 nm. Ag nano-colloids were prepared by chemical reduction with the presence of citrate ion, which modified the surface properties of Ag nanoparticle. After complete mixing, the Ag nanoparticles can adhere to the surface of N-doped ZnO nanoparticle to form ZnO-Ag nano-composit

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Zhen-YuLiu and 劉朕宇. "Performance Improvement of Inverted Polymer Solar Cells with Silver Nanoparticles Doped in Active Layer and ZnO/Ag/ZnO Multilayer Structure." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/432667.

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碩士<br>國立成功大學<br>微電子工程研究所<br>104<br>In this work, the ZnO/Ag/ZnO multilayer film was applied to inverted polymer solar cells (IPSCs) as electron transportation layer to improve power conversion efficiency (PCE) of IPSCs. By inserting a nano-sized Ag layer between bottom ZnO and top ZnO layer, the light transmission of electron transportation layer could be enhanced resulting from local-ized surface plasmon (LSP) of silver nanoparticles at visible wavelength. The power con-version efficiency of IPSCs with ZnO/Ag/ZnO (Ag=8 nm) electron transportation layer improved from 7.25% to 8.13%. Besides, s

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Wang, Wen-Long, and 王文龍. "An Investigation on Microstructure and Opto-electrical Characteristics of ZnO-In/Ag-ZnO Thin Films Using the Electrical Current Mechanism." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/28995019190801274461.

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碩士<br>國立成功大學<br>奈米科技暨微系統工程研究所<br>97<br>Transparent conductive oxide (TCO) film needs annealing in 400~700 ℃ for 1~2 hours to obtain homogeneous crystalline texture and excellent photoelectric properties presently. Considering the application of TCO films in flexible polymer substrate, conventional high temperature annealing process is trapped. Therefore, in this thesis, the nano metallic film is used for a conductive layer, and the low-temperature electrical current characters of ZnO/In/ZnO as well as the ZnO/Ag/ZnO nano TCO structures are researched by electrical current testing. The experime

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Wu, Hsiao-min, and 吳曉旻. "Hydrogen production by partial oxidation of methanol over Au-Ag/ZnO-Fe2O3 catalyst." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/52815843662997765340.

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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>96<br>Au-Ag/ZnO-Fe2O3 bimetallic catalysts prepared by co-precipitation method were studied to produce hydrogen from partial oxidation of methanol reaction (CH3OH+0.5O2→2H2+CO2, POM) for fuel cell application. TGA analysis was used to investigate the thermal decomposition of catalyst precursors. During calcination, the main weight loss of catalyst precursor was about 540 K. It was due to the hydrozincite (Zn5(CO3)2(OH)6) decomposed to ZnO. XRD results revealed that no diffraction peak of Au and Ag could be seen before and after calcination; only hydrozincite cou

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Sung, Wen-Ting, and 宋文婷. "Transformation and Fate of Nanoscale ZnO, Ag, and CeO2 in Different Aquatic Environments." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/26674758824683525897.

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碩士<br>國立中山大學<br>環境工程研究所<br>100<br>The fate and transformation of laboratory-prepared nano-ZnO, nano-Ag and nano-CeO2 in three aqueous solutions under different environmental conditions were investigated in this work. Over the past decades nanomaterials have been widely used in different technical fields and consumer goods. As a result, nanomaterials might enter the environmental media via different routes and then posed potential hazards to the environment and human health. Researches in this regard have received much attention worldwide. In this work it was found that the solubility of ea

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Tang, Tsung-Yeh, and 湯宗曄. "Preparation and photocatalytic activity of Ag2O nps and Ag2O/Ag-ZnO nano-composites." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/48145774380481253382.

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Chu, Chang-Pei, and 朱昌珮. "Application of ZnO Nanowires Modified with CuxO and Ag in NOx Gas Sensing." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/9c7sq8.

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Sahoo, S. K. "Synthesis and characterization of Ag doped ZnO-PVP composite nanofibers by electrospinning method." Thesis, 2014. http://ethesis.nitrkl.ac.in/5855/1/E-58.pdf.

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One-dimensional (1D) nanomaterials such as nanowires, nanotubes, nanorods, nanofibers and nanobelts have drawn a lot of attention arising out oftheir unique optical, magnetic, electrical, and otheremerging properties. Among them nanofibers provide several amazing characteristics such as very large surface area to volume ratio, high porosity, high gas permeability, small interfibrous pore size, flexibility in surface functionalities. A number of methods have been used to fabricate nanofibers but electrospinning only method to be the simplest, costeffective and highly versatile technique that ha

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