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Dissertations / Theses on the topic 'Photoelectric and photovoltaic'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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Consult the top 21 dissertations / theses for your research on the topic 'Photoelectric and photovoltaic.'

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1

Chen, Jen-kon. "Fabrication of a SeCdO photovoltaic cell using a mixed gas sputtering technique." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63150.

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2

MacGregor, Paul R. "US photovoltaic industry competiveness : a market penetration analysis." Thesis, Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/28765.

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3

Donkin, Richard Philip. "Plastic photovoltaic roof tiles." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/4397.

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Thesis presented in partial fulfilment of the requirements for the degree of Master of Engineering in Renewable and Sustainable Energy at the Stellenbosch University.<br>Thesis (MScEng (Mechanical and Mechatronic Engineering))--University of Stellenbosch, 2009.<br>ENGLISH ABSTRACT: This project investigated the feasibility of incorporating photovoltaic cells into plastic roof tiles using injection moulding. Such tiles have the potential to provide robust and distributed electricity contained within the building envelope. Current-voltage curves of amorphous silicon modules were measured un

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4

Blouzon, Camille. "Photoelectric and magnetic properties of multiferroic domain walls in BiFeO3." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066006/document.

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De tous les matériaux multiferroïques, BiFeO3 est celui qui est le plus étudié. C’est un ferroélectrique, antiferromagnétique dont les températures de transition sont bien au-dessus de la température ambiante. De plus, le couplage magnétoélectrique entre ces deux paramètres d’ordre a été observé aussi bien dans les cristaux que dans les couches minces. BiFeO3 possède également la plus grande polarisation ferroélectrique jamais mesurée, 100µC/cm². De gros efforts sont fournis pour comprendre et exploiter les propriétés physiques de ce matériau. Dans ce but, il est important de pouvoir contrôler

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5

Kopunec, Vít. "Analytické metody solárních panelů a systémů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219348.

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The aim of the diploma work is to introduce analytical methods concerning solar panels and systems. Firstly, the attention is drawn to a principle of photovoltaic conversion including an explanation of photoelectric phenomenon as well as the issue of P-N junction considered to be the fundamental building block of a solar cell. With respect to the fact that the diploma work is to be focused on testing of solar panels and the identification of defects in solar cells, the work describes individual solar cells, solar panels as well as individual methods of defect identification. Secondly, the work

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6

Ganguly, S., D. Banerjee, and K. Kargupta. "Nanotechnology and Nanomaterials for New and Sustainable Energy Engineering." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/35285.

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Role of nanotechnology and nanomaterials for utilization, storage and generation of hydrogen energy, generation of environment friendly thermoelectric power, generation of geothermal energy and photovoltaic or solar energy has been explored. Graphene nanosheet has emerged as a promising material for Platinum catalyst support of fuel cell to enhance electrochemically active surface area and power generation. Graphene and graphene based nanocomposites namely graphene-Polyaniline (PANI) are explored as promising alternatives for hydrogen storage. Inorganic-organic nanocomposite electrolyte m

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7

Kaderka, Tomasz. "Automatické měřicí pracoviště U-I charakteristik solárních článků." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219206.

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The theoretical part is to outline the possibilities of solar energy conversion, learn about the issues solar cells and describe the history of photovoltaics and photovoltaic energy conversion. Then describe principle of the measurement VA characteristics of photovoltaic cells. This issue is not as easy as it seems at first sight, because the solar cell isn’t a linear component, which is very easy to measure. Analysis of VA characteristic of photovoltaic cells affects parameters such as: light intensity, temperature, serial and parallel resistance, the slope of the light source, and more. The

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8

Blumenfeld, Michael Lewis. "LOCAL ELECTRONIC PROPERTIES OF ORGANIC SEMICONDUCTOR INTERFACES." Diss., The University of Arizona, 2010. http://hdl.handle.net/10150/194860.

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Understanding organic semiconductor interfaces is critical to developing organic photovoltaics (OPV). OPV interfaces are disordered due to weak intermolecular interactions, resulting in diverse charge transfer micro-environments. I present experimental data isolating high-order intermolecular interactions controlling interfacial energy level alignment and describe new instrumental capabilities providing access to the local electronic and kinetic landscape at organic semiconductor interfaces. Interface formation between vanadyl naphthalocyanine (VONc) and highly ordered pyrolytic graphite (HOP

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9

Santhanakrishna, Anand Kumar. "Piezoelectric ZnO Nanowires as a Tunable Interface Material for Opto-Electronic Applications." Scholar Commons, 2019. https://scholarcommons.usf.edu/etd/7926.

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Organic electronic devices are sustainable alternatives to the conventional electronics, due to their advantages of low cost, mechanical flexibility and wide range of applications. With the myriad list of organic materials available today, the opportunities to imagine new innovative devices are immense. Organic electronic devices such as OLEDs (organic light emitting diode), OPVs (Organic photovoltaics) and OFETs (organic field effect transistors) are among the leading device categories. Although OLED’s have been a huge commercial success, other categories are not lagging. Radical thinking is

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10

Pengpad, Atip. "Electron spectroscopy of surfaces and interfaces for novel solid state photovoltaic cells." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/electron-spectroscopy-of-surfaces-and-interfaces-for-novel-solid-state-photovoltaic-cells(d4b15a1d-085c-497b-8b60-6b49987e6d12).html.

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Novel photovoltaic cells receive considerable attention from researchers as evidenced by high numbers of published articles. Different types of materials are currently being examined in order to reduce the cost and improve the efficiency of solar cells. Essentially, solar cells are constructed by placing layers of light absorber between electron and hole transport materials. Electricity generation by solar cells involves multiple processes. These processes require an understanding of the physical properties of the surfaces and interfaces of the materials. In this thesis, materials for novel ph

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11

Frisch, Johannes. "Electronic properties of interfaces in polymer based organic photovoltaic cells." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät, 2015. http://dx.doi.org/10.18452/17140.

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Der Schwerpunkt der vorgelegten Arbeit lag in der Bestimmung der Energieniveaus an allen Grenzflächen in bestimmten heterostrukturierten Polymer/Polymer- und Polymer/Molekül basierten Solarzellen. Die elektronische Charakterisierung erfolgte mittels Photoelektronenspektroskopie. Morphologie und Schichtdicke der aufgeschleuderten Filme wurden mit den komplementären Analysetechniken UV-vis Absorptionsspektroskopie, Rasterkraftmikroskopie sowie Röntgenphotoelektronenspektroskopie bestimmt. An der PEDT:PSS-Anode/Polymer-Grenzschicht wurden Änderungen im Vakuumniveau von bis zu 0,65 eV gemessen. Di

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12

Brumbach, Michael T. "Near Surface Composition and Reactivity of Indium Tin Oxide: An Evaluation Towards Surface Chemical Concepts and Relevance in Titanyl Phthalocyanine Photovoltaic Devices." Diss., The University of Arizona, 2007. http://hdl.handle.net/10150/195338.

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Photovoltaics manufactured using organic materials as a substitute for inorganic materials may provide for cheaper production of solar cells if their efficiencies can be made comparable to existing technologies. Photovoltaic devices are comprised of layered structures where the electrical, chemical, and physical properties at the multiple interfaces play a significant role in the operation of the completed device. This thesis attempts to establish a relationship between interfacial properties and overall device performance by investigation of both the organic/organic heterojunction interface

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13

Modiba, Fortunate Mofao. "Tin Catalyst preparation for Silicon Nanowire synthesis." University of the Western Cape, 2018. http://hdl.handle.net/11394/6516.

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>Magister Scientiae - MSc<br>Solar cells offer SA an additional energy source. While Si cells are abundantly available they are not at an optimal efficiency and the cost is still high. One technology that can enhance their performance is SiNW. However, material properties such as the diameter, porosity and length determine their effectiveness during application to solar cell technology. One method of growing SiNW uses Sn catalysts on a Si substrate. As the properties of the Sn nanoparticle govern the properties of the SiNW, this thesis investigates their formation and properties by depo

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14

Mahrov, Boriss. "Studies of Semiconductors Modified with Nanoscale Light Absorbers for Solar Cell Application." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Univ.-bibl. [distributör], 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4581.

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15

Salzmann, Ingo. "Structural and energetic properties of pentacene derivatives and heterostructures." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2009. http://dx.doi.org/10.18452/15909.

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Das Ziel der Arbeit ist die Herstellung und die Charakterisierung von Heterostrukturen des organischen Halbleiters Pentazen (PEN) mit diversen konjugierten organischen Materialien im Hinblick auf das Anwendungspotenzial im Bereich der organischen Elektronik. Für die Untersuchung von PEN-Heterostrukturen mit (i) Fulleren (C60), (ii) Perfluoropentazen (PFP) und (iii) 6,13-Pentazenchinon (PQ) wurden mehrere komplementäre experimentelle Techniken angewendet: Röntgenbeugung, Schwingungsspektroskopie, Rasterkraftmikroskopie und Photoelektronenspektroskopie. (i) Für PEN - Heterostrukturen mit C60 wur

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16

Beyreuther, Elke. "Photon-assisted spectroscopy of electronic interface states in perovskite oxide heterostructures." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2007. http://nbn-resolving.de/urn:nbn:de:swb:14-1198071350768-13837.

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Complex oxides are an intriguing field of solid-state research, as they can exhibit a wide variety of functional properties, such as ferroelasticity, ferroelectricity, ferro- and antiferromagnetism or an even more complicated type of magnetic ordering, the combination or interaction of those ferroic properties (multiferroicity), high spin polarization, or high-temperature superconductivity. Thus they are prospective candidates for future materials in microelectronics. It is a matter of fact that the performance of such oxide-based devices depends mainly on transport properties, which in turn d

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17

Zu, Fengshuo. "Electronic properties of organic-inorganic halide perovskites and their interfaces." Doctoral thesis, Humboldt-Universität zu Berlin, 2019. http://dx.doi.org/10.18452/20396.

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Über die besonders hohe Effizienz von Halid-Perowskit (HaP)-basierten optoelektronischen Bauteilen wurde bereits in der Literatur berichtet. Um die Entwicklung dieser Bauteile voranzutreiben, ist ein umfassendes und verlässliches Verständnis derer elektronischen Struktur, sowie der Energielevelanordnung (ELA) an HaP Grenzflächen von größter Bedeutung. Demzufolge beschäftigt sich die vorliegende Arbeit mit der Untersuchung i) der Bandstruktur von Perowskit-Einkristallen, um ein solides Fundament für die Darlegung der elektronischen Eigenschaften von polykristallinen Dünnschichten zu erarbeiten,

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18

Teich, Sebastian. "Oberflächenphotospannung an dünnen organischen Schichten auf Metallsubstraten." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1239005029403-92681.

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Gegenstand dieser Arbeit ist die Untersuchung der Ober?ächen- bzw. Grenz?ächenphotospannung (SPV) an dünnen organischen Schichten auf Metallsubstraten. Besonderes Augenmerk gilt dabei dem System dünner Schichten von 3,4,9,10-Perylen- Tetracarbonsäure-Di-Anhydrid (PTCDA) auf einem Au(110)-Kristall. Für diese Untersuchungen wurde eine phasensensitive Methode auf der Basis der Photoelektronenspektroskopie (PES) mit zusätzlicher modulierter Lichteinstrahlung entwickelt, die es erlaubt, lichtinduzierte Verschiebungen des Ober?ächenpotentials mit einer Au?ösung ? 1mV zu detektieren. Diese modulierte

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19

Teich, Sebastian. "Oberflächenphotospannung an dünnen organischen Schichten auf Metallsubstraten." Doctoral thesis, Technische Universität Dresden, 2008. https://tud.qucosa.de/id/qucosa%3A23728.

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Gegenstand dieser Arbeit ist die Untersuchung der Ober?ächen- bzw. Grenz?ächenphotospannung (SPV) an dünnen organischen Schichten auf Metallsubstraten. Besonderes Augenmerk gilt dabei dem System dünner Schichten von 3,4,9,10-Perylen- Tetracarbonsäure-Di-Anhydrid (PTCDA) auf einem Au(110)-Kristall. Für diese Untersuchungen wurde eine phasensensitive Methode auf der Basis der Photoelektronenspektroskopie (PES) mit zusätzlicher modulierter Lichteinstrahlung entwickelt, die es erlaubt, lichtinduzierte Verschiebungen des Ober?ächenpotentials mit einer Au?ösung ? 1mV zu detektieren. Diese modulierte

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20

Dočekal, David. "Měřicí pracoviště pro systém vzdálené dodávky energie." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242852.

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This thesis is focused on the creation of measuring workplace for remote power supply system. This is the measuring of the workplace, engaged in the processing of measured data, the production of electrical energy made by a photovoltaic panel and wind turbines. In the theoretical part, the reader is familiar with the issue of renewable energy sources. The first chapter is about the energy of the wind. Here is described the emergence of the wind, the basic division of wind power, through the production of electrical energy to the measurement itself. The second chapter deals with the solar energ

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21

Chueh, Yu-hung, and 闕宇宏. "Photoelectric Conversion and Regular Pattern Derivation of Organic Photovoltaic Thin Film." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/3zhbgd.

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碩士<br>國立中山大學<br>光電工程研究所<br>96<br>Discotic liquid crystal is one kind of self-assembled material, liquid crystal with regular alignment could be applied to many kinds of organic electro-optical devices. This novel discotic liquid crystal polymer DLC-PAM, we used polyacrylamide(PAM) as main chain of the novel discotic liquid crystal polymer DLC-PAM and grafted the discotic liquid crystal monomer Acid-6 onto PAM by chemical synthesis. There were two parts in this study, first we investigated the electro-optical properties of DLC-PAM. Observation the aligned property of DLC-PAM during temperature

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