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Dissertations / Theses on the topic 'Self-Assembly of block copolymers'

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Published: 7 July 2024
Last updated: 31 July 2025

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1

Valverde, Serrano Clara. "Self-assembly behavior in hydrophilic block copolymers." Phd thesis, Universität Potsdam, 2011. http://opus.kobv.de/ubp/volltexte/2011/5416/.

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Block copolymers are receiving increasing attention in the literature. Reports on amphiphilic block copolymers have now established the basis of their self-assembly behavior: aggregate sizes, morphologies and stability can be explained from the absolute and relative block lengths, the nature of the blocks, the architecture and also solvent selectiveness. In water, self-assembly of amphiphilic block copolymers is assumed to be driven by the hydrophobic. The motivation of this thesis is to study the influence on the self-assembly in water of A b B type block copolymers (with A hydrophilic) of th
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2

Cheng, Li-Chen Ph D. Massachusetts Institute of Technology. "Templated self-assembly of novel block copolymers." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122156.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2019<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Self-assembly of block copolymers (BCPs) is emerging as a promising route for numerous technological applications to fabricate a variety of nanoscopic structures. The resulting feature sizes range from a few to several hundred nanometers, and are readily tunable by varying the molecular weights of block copolymers. Directed self-assembly of block copolymer is an effective way to pattern periodic arrays o
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3

Mohd, Yusoff Siti Fairus. "Crystallization-driven self-assembly of polyferrocenylsilane-based block copolymers." Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.546192.

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4

Jung, Yeon Sik. "Templated self-assembly of siloxane block copolymers for nanofabrication." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/52791.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2009.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student submitted PDF version of thesis.<br>Includes bibliographical references.<br>Monolayer patterns of block copolymer (BCP) microdomains have been pursued for applications in below sub-30 nm nanolithography. BCP selfassembly processing is scalable and low cost, and is well-suited for integration with existing semiconduct
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5

Cowie, Lauren. "The synthesis and self-assembly of MPC block copolymers." Thesis, Durham University, 2013. http://etheses.dur.ac.uk/7341/.

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Biocompatible and biodegradable poly(lactide)-2-methacryloyloxyethyl phosphorylcholine (PLA-PMPC) amphiphilic block copolymers were synthesized by a combination of Ring Opening Polymerization (ROP) and Reversible Addition-Fragmentation Chain Transfer (RAFT) polymerization techniques. The PLA-macroRAFT agent was synthesized by the derivatization of PLA-OH with RAFT agent 4-cyano-4-(phenylcarbonothioylthio)pentanoic acid (CPADB) achieving high levels of functionalization and narrow weight distributions (PDI range of 1.02-1.17). PLA-PMPC with varied MPC block lengths were synthesized yielding pol
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6

BERTANI, DANIELA. "Synthesis and self-assembly of biocompatible amphiphilic block copolymers." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2018. http://hdl.handle.net/10281/199109.

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Il drug delivery attira molto interesse a causa della necessità di migliorare efficienza e selettività delle terapie farmacologiche. Capsule polimeriche per i farmaci sono una strategia promettente per prolungarne i tempi di circolazione, migliorarne il trasporto nel sangue, e modularne nel tempo il rilascio. In questo ambito, l’organizzazione spontanea dei copolimeri a blocchi (CB) in nanoparticelle (NP) compartimentalizzate in ambiente acquoso è uno strumento potente per la fabbricazione di sistemi per il drug delivery. In questa tesi vengono investigati la sintesi e l’autoassemblaggio (AS)
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7

Gomes, Correia Cindy. "Directed self-assembly strategies for orientation-controlled block copolymers for advanced lithography." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0393.

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L’objectif de ce travail était de mettre en évidence le potentiel du PDMSBb-PS pour des applications en nanolithographie avancée. Pour cela, nous avons fourni une compréhension du comportement d’auto-assemblage du PDMSB-b-PS en masse et en film mince. Nous avons réalisé l’auto-assemblage de ce copolymère semicristallin en cylindre et gyroïde bien définis avec des périodicités inférieures à 20 nm grâce à un paramètre d’interaction de Flory-Huggins élevé (Chapitre 2). Nous avons par la suite proposé une approche pour obtenir des lamelles perpendiculaires du PDMSB-b-PS en film mince grâce à l’uti
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8

Evangelio, Araujo Laura. "Directed self-assembly of block copolymers on chemically nanopatterned surfaces." Doctoral thesis, Universitat Autònoma de Barcelona, 2017. http://hdl.handle.net/10803/406119.

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La tesi doctoral titulada “Auto-assemblatge de copolímers de bloc per modificació química de la superfície”, presenta com a objectiu principal el desenvolupament, implementació i caracterització d’un mètode de guiatge de copolímers de bloc basat en la modificació química de la superfície. El desenvolupament d’aquest mètode de nanofabricació contribueix a la futura generació de dispositius i circuits nanoelectrònics. Primer de tot, es presenten els aspectes generals sobre l’auto-assemblatge dirigit de copolímers de bloc, així com el seu rol dins del futur de la nanoelectrònica comparat amb alt
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9

Weiß, Jan. "Synthesis and self-assembly of multiple thermoresponsive amphiphilic block copolymers." Phd thesis, Universität Potsdam, 2011. http://opus.kobv.de/ubp/volltexte/2011/5336/.

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In the present thesis, the self-assembly of multi thermoresponsive block copolymers in dilute aqueous solution was investigated by a combination of turbidimetry, dynamic light scattering, TEM measurements, NMR as well as fluorescence spectroscopy. The successive conversion of such block copolymers from a hydrophilic into a hydrophobic state includes intermediate amphiphilic states with a variable hydrophilic-to-lipophilic balance. As a result, the self-organization is not following an all-or-none principle but a multistep aggregation in dilute solution was observed. The synthesis of double the
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10

Parras, Petros. "Self-assembly and dynamics in block copolymers with hierarchical order." Thesis, University of Reading, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.493799.

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Incorporation of peptide or mesogenic units into block copolymers enables hierarchical order, whereby an interplay between microphase separation and peptide secondary structure formation or liquid crystal ordering occurs. This thesis concerns the self-assembly process and dynamics in block copolymers with hierarchical order. The second and third chapters discuss peptide-based poly(γ-benzyl-Lglutamate)-poly(ethylene glycol)-poly(γ-benzyl-L-glutamate) triblock copolymers and side-group liquid crystal polystyrene-poly [2-(((3-cholesteryl)-oxy)carbonyl)decyl methacrylate)] diblock copolymers. In t
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11

Burd, Caroline Glenn. "Supramolecular block and random copolymers in multifunctional assemblies." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24627.

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Thesis (Ph.D.)--Chemistry and Biochemistry, Georgia Institute of Technology, 2009.<br>Committee Chair: Marcus Weck; Committee Member: Bunz, Uwe; Committee Member: Collard, David; Committee Member: Jones, Christopher; Committee Member: Payne, Christine
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12

Farias, Mancilla Bárbara Isabel. "Asymmetric copolymers : neither block nor random." Thesis, Toulouse 3, 2020. http://www.theses.fr/2020TOU30288.

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Les monomères d'un copolymère statistique sont aléatoirement mélangés, tandis que ceux d'un copolymère à bloc sont nettement séparés en sections de compositions différentes. Entre ces deux structures modèles existent des copolymères asymétriques, qui sont définis comme une distribution de monomères au sein de la chaîne qui n'est ni complètement ségrégée comme pour un copolymère à bloc ni statistiquement distribuée de manière indépendante de la position au long de la chaîne comme dans le cas des copolymères statistiques. Ainsi, les propriétés des copolymères asymétriques devraient combiner les
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13

Permyakova, N. M., T. B. Zheltonozhskaya, D. O. Klymchuk, and M. Ya Poliyan. "Template Synthesis and Micellization of Block Copolymers with Interacting Blocks." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35608.

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It is known that А-В and А-В-А block copolymers with interacting blocks are related to the class of in-tramolecular polycomplexes. Such block copolymers form a stable micellar structures in dilute aqueous so-lutions due to hydrophobic interactions between non-polar bound segments of the blocks. Given micellar structures have attracted a considerable attention due to their possible applications as different templates, drug delivery systems, nanoreactors. Here we presented peculiarities of a template synthesis of the block copolymers consisting interacting poly(ethylene oxide) and poly(acrylic a
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14

Ahmed, Rumman. "Novel hierarchical structures form PFS block copolymers using ionic self-assembly." Thesis, University of Bristol, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.529854.

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15

Shnayderman, Marianna 1982. "Characterization of nano-arrays fabricated via self-assembly of block copolymers." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/32725.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2004.<br>Includes bibliographical references (leaves 28-29).<br>This research focused on methods for regulating arrangement of self-assembled block copolymers by understanding fabrication conditions and their effects on the polymers on flat and patterned substrates. Block copolymer self-assembly is a simple and low cost process for creating lithographic masks with features under 100nm in dimension. These patterns can be transferred to more permanent materials for applications in electronics, magne
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16

Stokes, Kristoffer Keith. "Synthesis and solution state self-assembly of linear-dendritic block copolymers." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/39583.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2007.<br>Vita.<br>Includes bibliographical references.<br>Linear-dendritic block copolymers consisting of a poly(styrene) linear block and poly(amidoamine) dendrimer block were synthesized and examined for their ability to self-assemble in both aqueous environments and organic/aqueous mixtures. These polymers were shown to assemble into vesicle structures under a variety of conditions. Furthermore, size measurements of the dendritic portion were taken by means of Langmuir-Blodgett isotherms, demonstrating both the ster
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17

Lam, Christopher N. (Christopher Nguyen). "Interactions governing the self-assembly of globular protein-polymer block copolymers." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104208.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemical Engineering, 2016.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Engineering enzymes and other proteins into biocatalysts or bioelectronic devices has the potential to lead to a new generation of energy-generating and energy conversion technologies. Controlling the hierarchical structure of protein materials from the nanoscale single molecule level up to the microscale material morphology is critical to improving their function. Lithographic patterning methods such as electron be
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18

Boott, Charlotte E. "Advances in crystallization-driven self-assembly of polyferrocenylsilane-based block copolymers." Thesis, University of Bristol, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.702892.

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19

Do, Hyung Wan. "Computation by block copolymer self-assembly." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/117840.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2018.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references.<br>Unconventional computation is a paradigm of computation that uses novel information tokens from natural systems to perform information processing. Using the complexity of physical systems, unconventional computing systems can ef
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20

Pinto, Gómez Christian. "Directed self-assembly of block copolymers for the fabrication of nanomechanical structures." Doctoral thesis, Universitat Autònoma de Barcelona, 2021. http://hdl.handle.net/10803/671972.

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El principal objectiu d'aquesta tesi, titulada "autoensamblatge dirigit de copolímers de bloc per a la fabricació d'estructures nanomecàniques", és demostrar la possibilitat de fabricar estructures nanomecàniques funcionals mitjançant el autoensamblatge dirigit (DSA) de copolímers de bloc (BCPs) com a tècnica de nanoestructuració . El DSA és una tècnica de nanolitografía bottom-up basada en la capacitat que tenen els BCPs de segregar en dominis d'escala micro / nanomètrica. Gràcies a la seva alta resolució, alt rendiment i baix cost, aquesta tècnica ha estat molt estudiada per la indústria
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21

Chen, Senbin. "Synthesis of original block copolymers by combination of RAFT polymerization and supramolecular self-assembly." Thesis, Lyon, INSA, 2012. http://www.theses.fr/2012ISAL0034.

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Ce travail a porté sur la préparation de copolymères à blocs et l’étude de leur assemblage supramoléculaire basé sur des liaisons hydrogènes entre les motifs homocomplémentaires ou hétérocomplémentaires. La stratégie de synthèse était basée sur la combinaison de la polymérisation radicalaire contrôlée de type RAFT et de la chimie supramoléculaire. Dans le chapitre 2, nous avons développé une stratégie s'appuyant sur la conception d'agents RAFT portant des groupements de type thymine / diaminopyridine (DAP) capables de générer des copolymères en étoile de type « miktoarm » bien définis. Pour él
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22

Cheng, Jing. "Toward sub-10 nm lithographic processes: epoxy-based negative tone molecular resists and directed self-assembly (DSA) of high χ block copolymers". Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/49113.

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It’s becoming more and more difficult to make smaller, denser, and faster computer chips. There’s an increasing demand to design new materials to be applied in current lithographic process to get higher patterning performance. In this work, the aqueous developable single molecule resists were introduced, synthesized and patterned. A new group of epoxide other than glycidyl ether, cyclohexene oxide was introduced to functionalize a molecular core and 15 nm resolution was obtained. The directed self-assembly (DSA) of block copolymers as an alternative lithographic technique has received growing
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23

Papalia, John M. "Self-ordering of spherical nanoparticles in a block copolymer system." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 192 p, 2007. http://proquest.umi.com/pqdlink?did=1251906361&Fmt=7&clientId=79356&RQT=309&VName=PQD.

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24

Gottlieb, Steven. "High-resolution guiding patterns for the directed self-assembly of block copolymers." Doctoral thesis, Universitat Autònoma de Barcelona, 2018. http://hdl.handle.net/10803/669854.

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The presented thesis entitled “High-resolution guiding patterns for the directed self-assembly of block copolymers” investigates strategies to introduce long-range order into block copolymer thin films for nanopatterning applications. Structures defined by top-down lithography that enable the introduction of long-range order into an otherwise disordered thin film of block copolymers are referred to as guiding patterns. This thesis explores and develops different techniques that enable the fabrication of guiding patterns with a particular focus on methods capable of providing high-resolution
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25

Verploegen, Eric Anton. "Morphology and self-assembly behavior of side chain liquid crystalline block copolymers." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/44386.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2008.<br>Includes bibliographical references.<br>There is significant interest from both the academic and industrial communities for understanding and controlling the self-assembly behavior of complex macromolecular systems and has been an active area of research in recent years. Such systems can be designed to result in a wide range of nanoscale morphologies and greater functionality can be introduced with increasing complexity.This thesis focuses on the synthesis and characterization of a clas
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26

Hales, Kelly D. "Design and characterization of self-assembled nanostructures of block copolymers in solution." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 130 p, 2009. http://proquest.umi.com/pqdweb?did=1679669801&sid=5&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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27

Salvatore, Stefano. "Optical metamaterials by block-copolymer self-assembly." Thesis, University of Cambridge, 2014. https://www.repository.cam.ac.uk/handle/1810/245292.

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This thesis explores the fabrication processes and the optical characterization of a metamaterials made by block copolymer self-assembly. Optical metamaterials are artificial systems designed to produce optical properties that may not be found in nature. They gain their properties not from their chemical composition but rather from their desig structure that affects the interaction with electromagnetic waves, producing an optical response different from the constituent material. The structural features have sub-wavelength size so that the metamaterial is perceived homogeneous by the incident w
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28

Bai, Wubin. "Block copolymer self-assembly and templating strategies." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104103.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2016.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references.<br>Block copolymers microphase separate to form periodic patterns with period of a few nm and above without the need for lithographic guidance. These self-assembled nanostructures have a variety of bulk geometries (alternating lamellae, gyro
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29

Birnkrant, Michael J. Li Christopher Yuren. "Combining holographic patterning and block copolymer self-assembly to fabricate hierarchical volume gratings /." Philadelphia, Pa. : Drexel University, 2009. http://hdl.handle.net/1860/3134.

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30

Upadhyaya, Lakshmeesha. "Self-assembled smart filtration membranes from block copolymers and inorganic nanoparticles." Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT242/document.

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Ce travail de thèse propose une nouvelle approche pour la préparation de membranes à matrice mixte basée sur l’utilisation de copolymères à blocs et de nanoparticules inorganiques disposant de propriétés magnétiques. Des aggrégats de copolymères ont été préparés avec une morphologie variée (sphères, cylindres et vésicules) à partir du copolymère poly(acide méthacrylique)-b-poly(méthacrylate de méthyle). Ce dernier a été synthétisé par polymérisation radicalaire contrôlée par transfert de chaîne réversible par addition-fragmentation (RAFT) dans l’éthanol à 70°C. Des particules d’oxyde de fer on
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31

Valverde, Serrano Clara [Verfasser], and Markus [Akademischer Betreuer] Antonietti. "Self-assembly behavior in hydrophilic block copolymers / Clara Valverde Serrano. Betreuer: Markus Antonietti." Potsdam : Universitätsbibliothek der Universität Potsdam, 2011. http://d-nb.info/1023802864/34.

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32

Chaube, Anay. "Self assembly of block copolymers : applicability in microelectronics and gains for patterned media." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/45348.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2008.<br>Includes bibliographical references (leaves 88-93).<br>As device size decreases, conventional lithographic methods are finding it increasingly hard to keep up. Introduction of newer method such as E-beam, X-ray lithography etc. has demonstrated possibility of scaling to lower dimensions. However most of these methods are too expensive, too complex or too slow. Hence a method is required which can provide high resolutions at low cost, is easy to implement and can be integrated with curr
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33

Oliver, Alex Matthew. "New directions in the crystallisation-driven self-assembly of polyferrocenylsilane-containing block copolymers." Thesis, University of Bristol, 2018. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.752813.

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34

Ahn, Dae Up. "Well-Aligned 3-Dimensional Self-Assembly in Block Copolymers and Their Nanotechnological Applications." University of Akron / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=akron1196375211.

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35

Samant, Saumil. "Directed Self-Assembly of Block Copolymers for High Energy Density Polymer Film Capacitors." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1468449545.

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36

Kynaston, Emily L. "Functional nanomaterials from the crystallisation driven self-assembly of π-conjugated block copolymers". Thesis, University of Bristol, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.686240.

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The work presented in this Thesis focuses on the solution-phase self-assembly behaviour of a series of di- and triblock copolymers with semicrystalline, π-conjugated segments, namely poly(3-alkylthiophene) (P3AT) and poly(3-alkylselenophene) (P3ASe) derivatives. Our group has shown that crystallisation-driven self-assembly (CDSA) of P3AT and P3ASe block copolymers (BCPs) in block-selective solvents allows access to colloidally-stable nanofibers with π-conjugated cores. In this thesis, we demonstrate that the contour length of P3ASe nanofibers can be controlled using a seeded-growth technique.
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Kalva, N. "Synthesis and self-assembly studies of amphiphilic stimuli-responsive linear-dendritic block copolymers." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2016. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/5885.

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38

Tangbunsuk, Siree. "Solution self-assembly of metallopolymer-peptide conjugates and block copolymers with a crystallisable core-forming polylactide block." Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.540871.

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39

Underhill, Royale Suzanne. "Block copolymer self-assembly, thermodynamics, kinetics and applications." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0019/NQ54816.pdf.

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40

Jarnagin, Nathan D. "High χ block copolymers for sub 20 nm pitch patterning: synthesis, solvent annealing, directed self assembly, and selective block removal". Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50287.

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Block copolymer (BCP) thin film patterns, generated using directed self-assembly (DSA) of diblock copolymers, have shown excellent promise as templates for semiconductor device manufacturing since they have the potential to produce feature pitches and sizes well below 20 nm and 10 nm, respectively, using current 193 nm optical lithography. The goal of this work is to explore block copolymers with sufficient thermodynamics driving force (as described by the Flory Huggins interaction parameter, χ) for phase separation at these smallest lengths scales. Here, poly(styrene)-b-poly(hydroxystyrene
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41

Wang, Jingbo [Verfasser]. "Hierarchical ordering : self-assembly of block copolymers in active liquid crystalline matrices / Jingbo Wang." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2013. http://d-nb.info/1030383464/34.

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42

Tang, Tian. "Self-assembly of block copolymers and nanoparticles and their applications as environmentally responsive materials." Thesis, University of Reading, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515797.

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43

Nunns, Adam. "Bulk, thin film and solution self-assembly of block copolymers containing a polyferrocenysilane metalloblock." Thesis, University of Bristol, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.680125.

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The research presented in this thesis involves the development of a variety of synthetic routes which have enabled the preparation of a library of novel polymeric materials, primarily block copolymers containing a polyferrocenylsilane metalloblock. A large emphasis has been placed on the subsequent investigations into the self-assembly of these materials, where they have been found to form a variety of interesting nanostructures, making them candidates for use in a number of different scientific fields. An introduction to the principal areas of research of this thesis is given in Chapter 1. Bl
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Giammaria, Tommaso Jacopo. "Self-Assembly of Cylinder-Forming Block Copolymers by Means of High-Temperature Thermal Treatments." Doctoral thesis, Università del Piemonte Orientale, 2018. http://hdl.handle.net/11579/97184.

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The continuous demand for small portable electronics is pushing the semiconductor industry to develop novel lithographic methods to fabricate the elementary structures for microelectronics devices with dimensions reduced size. Self-Assembly of Block copolymers is extremely appealing due to its excellent compatibility with conventional photolithographic processes, high-resolution patterns and low process costs. This thesis work will focus on the Self-Assembly of cylinderforming Block copolymers as promising next-generation technology for the fabrication of sub-20 nm structures. Two different B
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45

Ceresoli, M. "SYMMETRIC BLOCK COPOLYMERS TEMPLATES FOR NANO-LITHOGRAPHIC APPLICATIONS." Doctoral thesis, Università degli Studi di Milano, 2016. http://hdl.handle.net/2434/422644.

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Nanofabrication has been long characterized by a top-down approach for the definition of small features starting from large pieces of material. In this contest the process of size scaling in microelectronics devices is based on photolithography that is an advanced top-down technology. In order to design integrated circuits with small features with characteristic dimension below 20 nm, a new kind of approach is needed such as the bottom-up one of self-assembly systems. Indeed symmetric block copolymers are able to spontaneously phase separate into ordered nanoscale lamellar pattern, which can b
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46

Fedorchuk, S. V., L. Kunitskaya, T. Zheltonozhskaya, Yu Gomza, and S. Nessin. "Syntheses of Silver Nanoparticles in the Matrices of Block Copolymers in Aqueous Solutions." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/34965.

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In the present work we have synthesized two-component block copolymers MOPEO-b-PААm and PААm-b-PЕО-b-PААm comprised methoxypoly(ethylene oxide), poly(ethylene oxide) and chemically complementary polyacrylamide. These copolymers we used as special matrices in the process of borohydride reduction of Ag+ ions. It was established the influence of chemical nature, molecular architecture and concentration of the matrices and the content of silver nitrate on some reaction parameters, size and stability of Ag-nanoparticles in aqueous solutions. When you are citing the document, use the following
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47

Tu, Kun-Hua. "Block copolymer self-assembly : lithography, magnetic fabrication, and optimization." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/113991.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Block copolymer (BCP) self-assembly is attractive because it provides nanoscale long-range ordered structures in a massive quantity. The capability of generating features with size as low as 5 nm is of particular interest in semiconductor fabrication since current photolithography has reached its resolution limitation and the other competing technologies are either too slow such as e-beam lithography or
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48

Wang, Hengbin. "Supramolecular self-assembly of conjugated block copolymers /." 2003. 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:3077080.

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49

Chiang, Yeo-Wan, and 蔣酉旺. "Self-assembly of Chiral PS-PLLA Block Copolymers." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/06782467113909150888.

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博士<br>國立清華大學<br>化學工程學系<br>96<br>The self-assembly of synthetic supramolecules has been inspired by using the secondary interactions, and has already created a large number of nanoscale architectures. Among self-assembled architectures, helical morphology is probably the most fascinating morphologies in nature. Chirality of compounds has been referred to one of the main origins for the formation of helical textures. For the self-assembly of block copolymers (BCPs), one-, two-, or three-dimensional periodic nanostructures can be easily tailored by molecular engineering of synthetic BCPs. By taki
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50

孫睿妤. "Studies of self-assembly block copolymers/DNA complexes structure." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/16614419883824841314.

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碩士<br>國立清華大學<br>化學工程學系<br>93<br>The interaction of polycation-DNA can form complexes with DNA resulting in the coil–globule conformational transition in the DNA molecules and DNA condensation. It was proposed that polycation-DNA complex formation is entropy driven and electrostatic force due to the ion pairs formed between positively charged groups of polycation molecule and the phosphate groups of DNA. In our studies, we try to use cationic diblock copolymer and homopolymer as polycations, and complex with DNA to investigate the actual internal structure. This is more one parameter in cationi
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