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Relevant bibliographies by topics / Quantum Dots (QD)

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Dissertations / Theses

Academic literature on the topic 'Quantum Dots (QD)'

Author: Grafiati

Published: 25 May 2024

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Dissertations / Theses on the topic "Quantum Dots (QD)"

1

Reinhart, Chase Collier. "Formulation of Colloidal Suspensions of 3-mercaptopropionic acid capped PbS Quantum Dots as Solution Processable QD "Inks" for Optoelectronic Applications." PDXScholar, 2016. http://pdxscholar.library.pdx.edu/open_access_etds/3289.

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The use of colloidal quantum dots (QDs) for photovoltaic energy conversion is a nascent field that has been dominated for well over a decade by the use of 3-mercaptopropionic acid (3-MPA) capped PbS QDs. These QDs are routinely deposited via an in situ solid state ligand exchange process that displaces the native oleate ligand on the PbS QD surface. This ligand exchange procedure is wasteful of material and has been demonstrated to leave numerous impurities that limit electronic performance of the as-deposited QD devices. Until the last few years there was very little understanding in chemical

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2

Stubbs, Stuart Kenneth. "Photo-physics and applications of colloidal quantum dots." Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/photophysics-and-applications-of-colloidal-quantum-dots(2391c0ce-b086-47a8-8600-a833657f85bc).html.

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The work presented in this thesis was submitted to The University of Manchester for the degree of Doctor of Philosophy in June 2010 by Stuart K Stubbs and is entitled “Photo-physics and applications of colloidal quantum dots”. In this thesis the results of spectroscopic studies on various colloidal quantum dots, particularly related to the measurement and characterisation of multiple exciton generation are presented. Research conducted with Nanoco Technologies Ltd. that involved the design and development of hybrid quantum dot organic light emitting diodes for use in flat panel display technol

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3

Kethineedi, Venkata Ramana. "Synthesis and Applications of Luminescent Quantum Dots in Bioassays." ScholarWorks@UNO, 2011. http://scholarworks.uno.edu/td/1416.

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Luminescent quantum dot (QD) based probes have gained significance in the last decade for optical imaging of cells, tissues and in bioassays as alternatives to conventional organic fluorophores. The main objective of my PhD dissertation was to develop luminescent quantum dot based bioassays for real time monitoring of enzyme activity and simultaneous detection of several biomarkers. The quantum dot based bioassays developed will be potential tools in identification and diagnosis of several ailments that interfere with normal living conditions of human beings. In Chapter 2 new liposome encapsul

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4

Drillat, François. "Encapsulation de Quantum Dots dans des copolymères blocs : formation de structures supramoléculaires organisées et utilisation en biologie comme nouveau marqueur fluorescent." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2008. http://tel.archives-ouvertes.fr/tel-00812058.

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Le travail de recherche effectué durant cette thèse avait pour but de synthétiser des billes de polystyrène de taille sub-micrométriques contenant des points quantiques, aussi appelés " quantum dots " ou QDs. Cette technique est appelée encapsulation. Elle correspond à piéger un ou plusieurs QDs au sein de la matrice formée de polymère. Les QDs émettent de la fluorescence à une longueur d'onde dépendant de la taille du nanocristal et de sa composition chimique. Les QDs employés seront des QDs de CdSe émettant dans la gamme de 500nm à 630nm. Pour la réalisation de ces billes, nous avons opté po

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5

James, Daniel. "Fabrication and electrical characterisation of quantum dots : uniform size distributions and the observation of unusual electrical characteristics and metastability." Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/fabrication-and-electrical-characterisation-of-quantum-dots-uniform-size-distributions-and-the-observation-of-unusual-electrical-characteristics-and-metastability(01bb9182-5290-4ad1-b6a4-3aed3970dbcf).html.

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Quantum dots (QDs) are a semiconductor nanostructure in which a small island of one type of semiconductor material is contained within a larger bulk of a different one. These structure are interesting for a wide range of applications, including highly efficient LASERs, high-density novel memory devices, quantum computing and more. In order to understand the nature of QDs, electrical characterisation techniques such as capacitance-voltage (CV) profiling and deep-level transient spectroscopy (DLTS) are used to probe the nature of the carrier capture and emission processes. This is limited, howev

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6

Xiaohong, Tang, and Yin Zongyou. "MOCVD Growths of the InAs QD Structures for Mid-IR Emissions." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35383.

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In this research, InAs quantum dot structures for mid-infrared emission were self-assembled on InP substrate by using metal-organic chemical vapor deposition. To improve the grown quantum dot’s shape, the dot density and the dot size uniformity, a two-step growth method has been used and investigated. By changing the composition of the InxGa1 – xAs matrix layer of the InAs / InxGa1 – xAs / InP quantum dot structure, emission wavelength of the InAs quantum dot structure has been extended to the longest  2.35 m measured at 77 K. When you are citing the document, use the following link htt

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7

Ye, Xinying. "SEMI-AUTOMATIC AND INTERACTIVE VISUALIZATION OF QUANTUM DOT NANO-STRUCTURES." University of Akron / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=akron1195496291.

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8

Guellil, Imene. "Nano-fonctionnalisation par FIB haute résolution de silicium." Electronic Thesis or Diss., Aix-Marseille, 2022. http://www.theses.fr/2022AIXM0361.

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Le but de ce travail est de développer un processus d’élaboration de boîtes quantiques (QD) de silicium-germanium (SiGe) avec des compositions allant du Si au Ge pur, et permettant d’obtenir des QD semi-conductrices et de tailles suffisamment petites pour l’obtention de confinement quantique. Pour cela, nous avons utilisé une combinaison de différentes techniques : l’épitaxie par jets moléculaires, la lithographie ionique par faisceau d’ions focalisés (FIBL) et le démouillage solide hétérogène. Dans ce contexte, la finalité de cette recherche est d’une part de développer un FIB qui puisse être

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9

Pereira, Geovane Módena. "Criptografia de qubits de férmions de Majorana por meio de estados ligados no contínuo." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/152724.

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Submitted by GEOVANE MODENA PEREIRA null (geovanemodena@hotmail.com) on 2018-02-10T03:04:38Z No. of bitstreams: 1 Dissertação Geovane - Criptografia de Qubits de Férmions de Majorana por meio de Estados Ligados no Contínuo.pdf: 7524654 bytes, checksum: 0bd9409e8fa9c0c2da9190e44f4cfa33 (MD5)<br>Approved for entry into archive by Ana Paula Santulo Custódio de Medeiros null (asantulo@rc.unesp.br) on 2018-02-14T16:11:32Z (GMT) No. of bitstreams: 1 pereira_gm_me_rcla.pdf: 7420427 bytes, checksum: 0a0aec5beec2ecdd26883e0f4524844f (MD5)<br>Made available in DSpace on 2018-02-14T16:11:32Z (GMT). No

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10

Bain, Fiona Mair. "Yb:tungstate waveguide lasers." Thesis, University of St Andrews, 2010. http://hdl.handle.net/10023/1698.

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Lasers find a wide range of applications in many areas including photo-biology, photo-chemistry, materials processing, imaging and telecommunications. However, the practical use of such sources is often limited by the bulky nature of existing systems. By fabricating channel waveguides in solid-state laser-gain materials more compact laser systems can be designed and fabricated, providing user-friendly sources. Other advantages inherent in the use of waveguide gain media include the maintenance of high intensities over extended interaction lengths, reducing laser thresholds. This thesis present

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