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Dissertations / Theses on the topic 'Doped POT'

Author: Grafiati

Published: 7 July 2024

Last updated: 31 July 2025

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1

Cai, Zhiwei. "Nouveaux matériaux à base de polyoxotitanates (POTs) dopé ou à base de complexe salicylate de titane (IV) et d'argent (I)." Electronic Thesis or Diss., Strasbourg, 2023. http://www.theses.fr/2023STRAF062.

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Ces dernières années, le dioxyde de titane a attiré beaucoup d'attention en tant que matériau hautement stable avec une large gamme d'applications allant du pigment blanc à des applications en tant que semi-conducteur ou dispositifs photoniques de pointe. En utilisant des approches synthétiques récemment développées, la synthèse de molécules cages de type polyoxotitanate (POT, [TixOy(OR)z]) atomiquement bien définies peut être menée. Les POTs peuvent être considérés comme des modèles solubles du TiO2. Des cages dopées avec un métal M (M-POT) présentant de nouvelles propriétés peuvent être auss

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2

Galiyeva, Perizat. "Doped Ag-In-Zn-S and Ag-In-Ga-Zn-S QDs : synthesis and potential as dual-modality probes for magnetic resonance and fluorescence imaging of cells." Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0118.

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L’imagerie par fluorescence (IF) et l’imagerie de résonance magnétique (IRM) comptent parmi les outils de diagnostic les plus efficaces. Dans ce contexte, des QDs possédant à la fois des propriétés fluorescentes et magnétiques sont d’un grand intérêt en tant que sondes bimodales. Dans ce travail, des QDs Ag-In-Zn-S (AIZS) et Ag-In-Ga-Zn-S (AIGZS) ont été préparés et dopés afin de développer de nouvelles sondes de sondes bimodales pour l’IF et l’IRM. Des QDs AIZS très fluorescents ont été préparés en milieu organique à l’aide de DDT et d’OAm comme ligands. Les QDs Mn:AIZS possèdent des propriét

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3

Adell, Barbarà Irina. "Ce or Pr-doped type III KGd(PO3)4 crystalline materials. Growth and characterization as scintillators." Doctoral thesis, Universitat Rovira i Virgili, 2019. http://hdl.handle.net/10803/668444.

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Els materials escintil·ladors són àmpliament utilitzats com a detectors en els sistemes de detecció de diverses aplicacions, com la imatge mèdica, la física d’alta energia, l’astrofísica i en proves no destructives (seguretat aeroportuària, control industrial, etc.). Hi ha diversos requisits importants per avaluar favorablement el rendiment d’un escintil·lador. Donat que no existeix el escintil·lador ideal, s’estan dedicant molts esforços a buscar nous escintil·ladors inorgànics amb millors propietats que els dels escintil·ladors existents. En aquesta tesi, es creixen monocristalls amb alta

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4

Zazou, Hicham. "Dégradation de pesticides dans l’eau par les procédés d’oxydation avancée (POA)." Thesis, Paris Est, 2015. http://www.theses.fr/2015PEST1071/document.

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L'usage intensif de pesticides dans l'agriculture engendre une contamination sans précédent des eaux de surface et des nappes phréatiques. Les traitements classiques appliqués aux eaux usées contenant des produits organiques polluants sont basés sur la biodégradation ou sur des méthodes physiques de transfert de masse (décantation, filtration, adsorption des polluants sur du charbon actif) ou des procédés chimique tels que l'oxydation à l'ozone ou au chlore. Cependant, ces procédés demeurent inefficaces dans le cas de traitement des eaux contaminées par les polluants organiques persistants (PO

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5

Parreu, i. Alberich Isabel. "Crystal Growth and Characterization of ytterbium or neodymium doped type III-KGd(PO3)4. A new bifunctional nonlinear and laser crystal." Doctoral thesis, Universitat Rovira i Virgili, 2006. http://hdl.handle.net/10803/9081.

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S'anomenen cristalls bifuncionals aquells que posseeixen simultàniament propietats d'òptica no lineal i propietats làser. Aquest tipus de materials són molt interessants ja que, combinant aquestes dues propietats, poden auto-generar radiació làser en la regió electromagnètica del blau (≈ 450 nm) o del verd (≈ 550 nm). Els materials làser d'estat sòlid que generen radiació làser en el rang electromagnètic visible (≈ 400-800 nm) tenen actualment un paper molt important en el desenvolupament tecnològic de dispositius làser i òptics en general ja que són interessa

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6

Milliasseau, Damien. "Synthèse et évaluation physico-chimique de tensioactifs biodégradables et éco-compatibles à partir de pectines pour l’industrie routière." Rennes, Ecole nationale supérieure de chimie, 2016. http://www.theses.fr/2016ENCR0034.

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7

Montes, Thisien Gabriel 1988. "Caracterização experimental de fibras de vidro telurito dopado com érbio e itérbio : Experimental characterization of tellurite glass fibers doped with erbium and ytterbium." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/261920.

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Orientador: Aldário Chrestani Bordonalli<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Elétrica e de Computação<br>Made available in DSpace on 2018-08-27T14:08:20Z (GMT). No. of bitstreams: 1 Montes_ThisienGabriel_M.pdf: 6660294 bytes, checksum: 3ca5cc8372729ad8e25455441ebddef9 (MD5) Previous issue date: 2015<br>Resumo: Com a demanda por comunicação continuamente aumentando nos últimos anos, mantém-se constante a busca por aperfeiçoamento dos amplificadores ópticos a fibra. Como uma proposta de proporcionar maior largura de banda de amplificação para

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8

Gurgel, Diêgo Pires. "Estudo e desenvolvimento de material absorvedor de micro-ondas baseado em Nb2O5 com mo via metalurgia do pó." Universidade Federal Rural do Semi-Árido, 2016. http://bdtd.ufersa.edu.br:80/tede/handle/tede/718.

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Submitted by Lara Oliveira (lara@ufersa.edu.br) on 2017-05-26T20:13:25Z No. of bitstreams: 1 DiêgoPG_DISSERT.pdf: 3157583 bytes, checksum: 93d2e3a248fde9f22d2f942876892f0c (MD5)<br>Approved for entry into archive by Vanessa Christiane (referencia@ufersa.edu.br) on 2017-05-29T16:49:54Z (GMT) No. of bitstreams: 1 DiêgoPG_DISSERT.pdf: 3157583 bytes, checksum: 93d2e3a248fde9f22d2f942876892f0c (MD5)<br>Approved for entry into archive by Vanessa Christiane (referencia@ufersa.edu.br) on 2017-05-29T16:50:05Z (GMT) No. of bitstreams: 1 DiêgoPG_DISSERT.pdf: 3157583 bytes, checksum: 93d2e3a248fde9f22d2f9

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9

El, Masloumi Mohamed. "Photoluminescence et cristallochimie des polyphosphates de formule Na1-xAgxM(PO3)4 (M : la, Y) à l’état cristallisé ou vitreux." Thesis, Bordeaux 1, 2008. http://www.theses.fr/2008BOR13727/document.

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Ce travail s’inscrit dans le cadre d’une étude systématique des propriétés physico-chimiques de polyphosphates à l’argent permettant d’avancer sur de nouvelles voies pour les dispositifs tels que l’éclairage, les lasers accordables dans le visible, la radiophotoluminescence. L'objectif de ce travail vise la compréhension des mécanismes de luminescence de l’ion Ag+ dans les composés Na1-xAgxLn(PO3)4 (Ln = La et Y) dont la structure a été parfaitement déterminée. La luminescence des monocristaux provient des ions Ag+, dans des sites isolés et proches de lacunes positives (Ag2+) résultant de la p

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10

Lima, Amanda Barbosa. "Determina??o de Verapamil e Oxcarbazepina em amostras de urina e formula??es farmac?uticas por amperometria pulsada em FIA." UFVJM, 2016. http://acervo.ufvjm.edu.br/jspui/handle/1/1310.

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Data de aprova??o ausente.<br>Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2017-03-24T17:42:56Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) amanda_barbosa_lima.pdf: 1709527 bytes, checksum: 4fddb4fdbd889c4c7f3a82be7a0edabe (MD5)<br>Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2017-04-20T19:16:33Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) amanda_barbosa_lima.pdf: 1709527 bytes, checksum: 4fddb4fdbd889c4c7f3a82be7a0edabe (MD5)<

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11

Alecrim, Morgana Fernandes. "Avalia??o do comportamento eletroqu?mico da cotinina no eletrodo de diamante dopado com boro e estudos para sua determina??o em saliva por amperometria pulsada em fluxo." UFVJM, 2016. http://acervo.ufvjm.edu.br/jspui/handle/1/1127.

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Data de aprova??o ausente.<br>Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2016-12-20T14:07:54Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) morgana_fernandes_alecrim.pdf: 1686041 bytes, checksum: c2250fb532be684ddef616d3424c8dc0 (MD5)<br>Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2017-01-17T18:51:10Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) morgana_fernandes_alecrim.pdf: 1686041 bytes, checksum: c2250fb532be684ddef616d3424

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12

Amorim, Kamila Pereira de. "Desenvolvimento de um método por ponto nuvem dos hormônios naturais E1 e E2 em amostras de urina e determinação por CLAE/EC utilizando eletrodo de diamante dopado com boro." Universidade Federal de Goiás, 2015. http://repositorio.bc.ufg.br/tede/handle/tede/5073.

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Submitted by Luciana Ferreira (lucgeral@gmail.com) on 2016-01-08T08:39:40Z No. of bitstreams: 2 Dissertação - kamila Pereira de Amorim - 2015.pdf: 1653482 bytes, checksum: 57f33de27efd496be7b4807548727455 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2016-01-08T08:41:11Z (GMT) No. of bitstreams: 2 Dissertação - kamila Pereira de Amorim - 2015.pdf: 1653482 bytes, checksum: 57f33de27efd496be7b4807548727455 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b8630

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13

Oliveira, Thiago da Costa. "Desenvolvimento de métodos eletroanalíticos empregando análise por injeção em batelada para a determinação de nafazolina, zinco, feniramina e clorfeniramina em formulações farmacêuticas." Universidade Federal de Uberlândia, 2015. https://repositorio.ufu.br/handle/123456789/17440.

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Fundação de Amparo a Pesquisa do Estado de Minas Gerais<br>In this work we investigated the potentiality of batch injection analysis with square-wave voltammetry (BIA-SWV) detection for simultaneous determination of Zn and naphazoline (NAF) and batch injection analysis with multiple pulse amperometric (BIA-MPA) detection for simultaneous determination of NAF and pheniramine (FEN) or NAF and chlorpheniramine (CLO). In both methods, boron-doped diamond (BDD) was used as working electrode. For the simultaneous determination of Zn and NAF by BIA-SWV, the following conditions have been optimized: s

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14

Andrade, Glauber Ant?nio dos Reis. "Determina??o da teofilina, clindamicina, varfarina e verapamil por amperometria pulsada em sistema de an?lise por inje??o em batelada usando o eletrodo de diamante dopado com boro." UFVJM, 2016. http://acervo.ufvjm.edu.br/jspui/handle/1/1131.

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?rea de concentra??o: Qu?mica anal?tica.<br>Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2016-12-21T13:02:41Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) glauber_antonio_reis_andrade.pdf: 2400963 bytes, checksum: 99ec593844d6ba3a1107158d86656739 (MD5)<br>Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2017-01-21T11:09:00Z (GMT) No. of bitstreams: 2 license_rdf: 9 bytes, checksum: 42dd12a06de379d3ffa39b67dc9c7aff (MD5) glauber_antonio_reis_andrade.pdf: 2400963 bytes, checksum: 99ec593844d6

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15

Kan, Song Rong, and 甘松融. "One-Pot Synthesis of Highly Fluorescent N-doped Graphene Quantum Dots for Sensing and Screening of Tetracycline in Honey." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/84914282356763551466.

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碩士<br>國立清華大學<br>化學系<br>103<br>Graphene quantum dots (GQDs) are nano-sized materials having unique properties like the quantum confinement effect and edge effect which has led to its emergence in fluorescence-based applications. The low toxicity, high solubility, chemically inertness, and stable luminescent properties of GQDs must be explored further for its application in sensors and bio imaging studies. A one-pot synthesis of GQDs based on the bottom-up approach has been developed in this study with citric acid and amino acids（glycine、cysteine） precursors to successfully achieve two N-do

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16

Su, Mo_Ting, and 蘇睦庭. "Studies of photovoltaic cell from conjugated polymer P3OT doped carbon nanosolids." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/04142513523909476638.

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碩士<br>中原大學<br>應用物理研究所<br>93<br>Abstract In this thesis, we study the possibility of improvement of performance for organic photovoltaic cells by various dopants. The photovoltaic cell was primarily fabricated with conjugated polymer poly(3-octyl- thiophene) (P3OT), in conjunction with an additive based on singlewall carbon nanotubes (SWNTs), buckminsterfullerene (C60) or/and the nematic liquid-crystal E7. The samples include five constitutes: ITO/(P3OT+SWNTs)/Al, ITO/(P3OT+C60)/Al, ITO/(P3OT+E7)/Al, ITO/(P3OT+(E7+SWNTs))/Al and ITO/(P3OT+(E7+C60))/Al, and the doping concentration is chosen

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17

Su, I.-Long, and 蘇奕龍. "Flexible Piezoelectric Nanogenerators Based on Sulfur Doped ZnO Nanowires Grown on Flexible PET Substrates." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/35939578665154807179.

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碩士<br>國立臺南大學<br>電機工程學系碩博士班<br>102<br>In this study, the S doped ZnO nanowires were successfully synthesized on flexible PET substrate by hydrothermal. The crystalline structure of these S doped samples were measured with SEM, EDS, XRD, PL and TEM. The doping concentration of sulfur into ZnO nanowires was 2.03 atm % in EDS. All XRD peaks of S doped ZnO shift to smaller angle. Photoluminescence spectra of S-doped ZnO nanowires show blue shift phenomenon of the green emissions compared with that of pure ZnO nanowires. By TEM EDS-Mapping analysis, we also can see that the S atomic were uniform dis

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18

Liou, Cheng-Jang, and 劉承彰. "Optical nonlinear properties of lanthanum doped lead titanate (PLT) and lithium niobate (LiNbO3) investigated by Z-scan technique." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/48705835616911883125.

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碩士<br>國立臺灣海洋大學<br>光電科學研究所<br>101<br>The nonlinear optical properties of lanthanum doped lead titanate (PLT) and lithium niobate (LiNbO3) were investigated using Z-scan technique with femtosecond mode-locked Ti-sapphire laser and femtosecond laser amplifier. Our laser light source was a mode-locked Ti-sapphire laser, the output pulse width was approximately 130 femtoseconds at a wavelength of 800 nm, and the repetition rate was 1 kHz. The results demonstrate self-focusing of lead lanthanum titanate (PLT) with a nonlinear refractive index, n2 of (7.08±1.26)×10-11(esu). The real part of the third

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19

Pai, Kun-Che, and 白昆哲. "Characteristics of Gallium and Aluminum Co-doped ZnO Transparent Thin Films Deposited on PET Substrates by RF Magnetron Sputtering." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/83473761528208966090.

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碩士<br>逢甲大學<br>材料與製造工程所<br>98<br>The author reported that surface treatment for PET substrates by using corona discharge and Ga and Al co-doped ZnO (GAZO) thin films deposited on as-treatment PET substrates by RF magnetron sputtering. Characterization of PET substrates after corona discharge was carrier out by contact angle and laser scanning microscopy. Experimental results showed that surfaces of PET substrates were modified corona discharge, at a power of corona discharge of 3 kW and at a transmission speed of 2 m/min, would improve surface energy above 56 mN/m. Moreover, transparent and fle

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20

Ta-HsuanKuan and 官大軒. "The Study on Thin Film Microstructure, Electrical and Optical Properties and Bending Fatigue Life Arising in the Aluminum-Doped Zinc Oxide Films Deposited on Tilted PET Substrate." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/46356908347818107480.

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碩士<br>國立成功大學<br>機械工程學系<br>103<br>A flat plate in the deposition stage is designed to have a flexible tilt angle and thus form a variable inclination angle between the ion beam and the direction normal to a PET substrate. Five kinds of inclination angle, 0°, 15°, 30°, 45° and 60° were used to prepare the PET/aluminum-doped zinc oxide specimens in order to examine the effects of the inclination angle and the number of bending cycles on several parameters including the O2-peak intensity ratio (IRO2) from the Electron spectroscopy for chemical analysis, which is identified to be one of the control

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