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Dissertations / Theses on the topic 'Solar cells – Design and construction'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 January 2023

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1

Shih, Jeanne-Louise. "Zinc oxide-silicon heterojunction solar cells by sputtering." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=112583.

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Heterojunctions of n-ZnO/p-Si solar cells were fabricated by RF sputtering ZnO:Al onto boron-doped (100) silicon (Si) substrates. Zinc Oxide (ZnO) films were also deposited onto soda lime glass for electrical measurements. Sheet resistance measurements were performed with a four-point-probe on the glass samples. Values for samples evacuated for 14 hours prior to deposition increased from 7.9 to 10.17 and 11.5 O/&squ; for 40 W, 120 and 160 W in RF power respectively. In contrast, those evacuated for 2 hours started with a higher value of 22.5 O/&squ;, and decreased down to 7.6 and 5.8 O/&squ;.

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2

Sun, Yechuan, and 孙也川. "Improvement of polymer solar cells through device design." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B47849940.

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In this thesis, fabrication of polymer solar cells through different device designs is presented and the resulted solar cell performance is discussed. Poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) are chosen as the photoactive layer materials as this material combination has been widely used and well investigated. The known properties of P3HT and PCBM make systematical studies and modeling for the effect of device designs on the performance of polymer solar cells possible although this is beyond the scope of this thesis. First, ITO electrodes were fabri

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3

Rosenberg, Glenn Alan 1960. "Monolithic series connected solar cell array." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/276950.

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Single crystal silicon solar cells for use under high concentration sunlight presently exhibit the highest conversion efficiencies. The following paper represents further work done to improve the efficiency of crystalline silicon solar cells through improved design. Design features and processing to address the loss mechanisms encountered in silicon solar cells are discussed. An improved solar cell structure has resulted from this work along with a practical processing sequence. Experiments were performed to show the practicality of pattern formation on the walls of the V-groove structures usi

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4

Chen, Lüzhou, and 陈绿洲. "Optical design of organic solar cells by 3-D modeling of device structures." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/196035.

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Organic solar cells (OSCs) have attracted intense attention in recent years due to their advantages of low cost, easy fabrication, and high flexibility compared to its inorganic counterparts. However, due to the conflicts between the short diffusion length of excitons and long absorption length of incident photons, the thickness of OSCs is typically thin, and thus power conversion efficiency (PCE) is generally lower than traditional silicon solar cells. Therefore, an exquisite design of light trapping schemes is essential to the PCE improvement. Generally, physical guideline of light trapping

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5

Narasimha, Shreesh. "Understanding and application of screen-printed metallization, aluminum back surface fields, and dielectric surface passivation for high-efficiency silicon solar cells." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/16453.

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6

Zhang, Di, and 张笛. "Transparent electrode design and interface engineering for high performance organic solar cells." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/202360.

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With the growing needs for energy, photovoltaic solar cells have attracted increasing research interests owing to its potentially renewable, feasible and efficient applications. Compared to its inorganic counterparts, organic solar cell (OSC) is highly desirable due to the low-cost processing, light weight, and the capability of flexible applications. While rapid progress has been made with the conversion efficiency approaching 10%, challenges towards high performance OSCs remain, including further improving device efficiency, fully realizing flexible applications, achieving more feasible larg

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7

Richards, Bryce Sydney Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Novel uses of titanium dioxide for silicon solar cells." Awarded by:University of New South Wales. School of Electrical Engineering and Telecommunications, 2002. http://handle.unsw.edu.au/1959.4/20476.

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Titanium dioxide (TiO2) thin films have a long history in silicon photovoltaics (PV) as antireflection (AR) coatings due to their excellent optical properties and low deposition cost. This work explores several novel areas where TiO2 thin films could be use to enhance silicon (Si) solar cell performance while reducing device fabrication costs. Amorphous, anatase and rutile TiO2 thin films are deposited using ultrasonic spraydeposition (USD) and chemical vapour deposition (CVD) systems, both designed and constructed by the author. Initial experiments confirmed that no degradation in the bulk mi

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8

Whyburn, Gordon Patrick. "A simple organic solar cell." Pomona College, 2007. http://ccdl.libraries.claremont.edu/u?/stc,21.

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Finding renewable sources of energy is becoming an increasingly important component of scientific research. Greater competition for existing sources of energy has strained the world’s supply and demand balance and has increased the prices of traditional sources of energy such as oil, coal, and natural gas. The experiment discussed in this paper is designed to identify and build an inexpensive and simple method for creating an effective organic solar cell.

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9

Hultmar, Oscar, Johan Paulsson, and Jonathan Sundell. "Mechanical design and construction of solar panel experiment in stratospheric conditions." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-356131.

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This project will be a part of the LODESTAR experiment. LODESTAR is one of the experiments scheduled to fly on the REXUS/BEXUS 26 high altitude balloon flight. The primary objective of the experiment is to investigate the effects of cosmic radiation on CIGS solar cells. The objective of this project is to build a mechanical design that can fulfill all requirements set by the ESA user manual. The mechanical design will first be drawn in mechanical CAD, where the drawing will be constructed from the ESA requirements. Later the design will be simulated in order to choose appropriate materials and

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10

Fisher, Kate School of Photovoltaic &amp Renewable Energy Engineering UNSW. "The pitfalls of pit contacts: electroless metallization for c-Si solar cells." Awarded by:University of New South Wales. School of Photovoltaic and Renewable Energy Engineering, 2007. http://handle.unsw.edu.au/1959.4/29568.

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This thesis focuses on improving the adhesion of electroless metal layers plated to pit contacts in interdigitated, backside buried contact (IBBC) solar cells. In an electrolessly plated, pit contact IBBC cell, the contact grooves are replaced with lines of pits which are interconnected by the plated metal. It is shown, however, that electroless metal layers, plated by the standard IBBC plating sequence, are not adherent on pit contact IBBC solar cells. The cause of this adhesion problem is investigated by examining the adhesive properties of each of the metal layers in the electroless metalli

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11

Krygowski, Thomas Wendell. "A novel simultaneous diffusion technology for low-cost, high-efficiency silicon solar cells." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/22973.

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12

Chen, Song. "Design, synthesis and characterization of A-D-A structural porphyrin small molecules for bulk heterojunction organic solar cell applications." HKBU Institutional Repository, 2017. https://repository.hkbu.edu.hk/etd_oa/477.

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Bulk heterojunction organic solar cells (BHJ OSCs) have been recognized as one of the most promising next generation green technology alternatives to inorganic solar cells because of the low-cost, lightweight, flexibility. Specifically, the use of small molecules instead of polymers as donors in BHJ OSC have been developed very fast recently because small molecules can be facilely synthesized and easily purified, and have a determined molecular structure without batch-to-batch variations. To date, those among the most efficient small molecules were constructed as acceptor-donor-acceptor (A-D-A

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13

Moushumy, Nazme A. "Silver (Ag) nanoparticle based masks for the development of antireflection subwavelength structures in GaAs and Si solar cells." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2013. https://ro.ecu.edu.au/theses/862.

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This thesis focuses on the design and development of silver nanoparticles that can be used as masks for the development of antireflection subwavelength grating (SWG) structures. We particularly investigate the impact of silver thin film thickness and the effect of annealing temperature on the fabrication of silver nanoparticles of controlled size and spacing distributions. We also use these measured distributions to predict the performance of subwavelength grating structures developed using dry and isotropic etching of semiconductor substrates. Silver (Ag) thin films of different thicknesses a

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14

Kamanzi, Janvier. "Thermal electric solar power conversion panel development." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2527.

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Thesis (DTech (Engineering))--Cape Peninsula University of Technology, 2017.<br>The world has been experiencing energy-related problems following pressuring energy demands which go along with the global economy growth. These problems can be phrased in three paradoxical statements: Firstly, in spite of a massive and costless solar energy, global unprecedented energy crisis has prevailed, resulting in skyrocketing costs. Secondly, though the sun releases a clean energy, yet conventional plants are mainly being run on unclean energy sources despite their part in the climate changes and global war

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15

Weber, J??rgen Wolfgang Photovoltaic &amp Renewable Engergy Engineering UNSW. "Design, construction and testing of a high-vacuum anneal chamber for in-situ crystallisation of silicon thin-film solar cells." Awarded by:University of New South Wales. Photovoltaic and Renewable Engergy Engineering, 2006. http://handle.unsw.edu.au/1959.4/24847.

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Thin-film solar cells on glass substrates are likely to have a bright future due to the potentially low costs and the short energy payback times. Polycrystalline silicon (poly-Si, grain size &gt 1 pm) has the advantage of being non-toxic, abundant, and long-term stable. Glass as a substrate, however, limits the processing temperatures to ~600??C for longer process steps. Films with large grain size can be achieved by solid phase crystallisation (SPC), and especially by solid phase epitaxy (SPE) on seed layers, using amorphous silicon deposited at low temperatures as a precursor film. With SPC

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16

Giatti, Brandon. "Optical Properties of Nanostructured Dielectric Coatings." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1940.

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Solar cells have extrinsic losses from a variety of sources which can be minimized by optimization of the design and fabrication processes. Reflection from the front surface is one such loss mechanism and has been managed in the past with the usage of planar antireflection coatings. While effective, these coatings are each limited to a single wavelength of light and do not account for varying incident angles of the incoming light source. Three-dimensional nanostructures have shown the ability to inhibit reflection for differing wavelengths and angles of incidence. Nanocones were modeled and sh

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17

Panse, Pushkaraj. "Copper Gallium Diselenide Solar Cells: Processing, Characterization and Simulation Studies." [Tampa, Fla. : s.n.], 2003. http://purl.fcla.edu/fcla/etd/SFE0000080.

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18

Lambert, Darcy Erin. "Nanostructured Extremely Thin Absorber (ETA) Hybrid Solar Cell Fabrication, Optimization, and Characterization." PDXScholar, 2011. https://pdxscholar.library.pdx.edu/open_access_etds/637.

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Traditional sources of electrical energy are finite and can produce significant pollution. Solar cells produce clean energy from incident sunlight, and will be an important part of our energy future. A new nanostructured extremely thin absorber solar cell with 0.98% power conversion efficiency and maximum external quantum efficiency of 61% at 650 nm has been fabricated and characterized. This solar cell is composed of a fluorine-doped tin oxide base layer, n-type aluminum doped zinc oxide nanowires, a cadmium selenide absorber layer, poly(3-hexylthiophene) as a p-type layer, and thermally evap

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19

Howells, Calvyn T. "Material and device design for organic photovoltaics." Thesis, University of St Andrews, 2015. http://hdl.handle.net/10023/6810.

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This thesis presents novel materials for photovoltaic conversion. The materials described are solution-processable organic semiconductors and have been used in the fabrication of organic photovoltaic cells (OPVs). The widely used PEDOT:PSS layer was investigated in P3HT and PTB7 photovoltaics. By doping, the efficiencies recorded were amongst the highest reported in the field using a conventional architecture. Two low band-gap BODIPY-based polymers were introduced and shown to have properties favourable for optoelectronics. Photovoltaics consisting solely of the polymers as the active componen

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20

Davidsson, Oscar, and Marcus Obrelius. "Faktorer och aspekter att beakta vid solcellsinstallationer." Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-86906.

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Människans energianvändning måste förändras. Mer än 80 % av den primära energianvändningen är i dagsläget baserad på fossila bränslen. För att uppnå en mer hållbar klimatutveckling måste en större del av energianvändningen framställas av förnybara energikällor, exempelvis solenergi. Syftet med denna studie är att exemplifiera praktiska, tekniska, ekonomiska samt arkitektoniska faktorer och aspekter som bör tas i beaktande vid solcellsinstallationer i en bebyggelse. Genom en fallstudie undersöktes Sankt Sigfridområdet i Växjö. Fallstuiden avgränsades till fyra fastigheter med möjlig solcellsins

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21

Mat-Teridi, Mohd. "Construction of photosensitised semiconductor cathodes." Thesis, Loughborough University, 2012. https://dspace.lboro.ac.uk/2134/10286.

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Recent studies suggest that the performance of dye-sensitised solar cells (DSC) has appeared to have reached a limit, therefore solar cells based on semiconductor materials, such as extremely thin absorber (ETA) solar cells and tandem solar cells are currently the subject of intense research in the framework of low-cost photovoltaic devices as sources of harvesting sunlight to generate electricity. Generally, semiconductor solar cells have been divided into two different types, namely anodic and cathodic type solar cells. Extensive research and development work has been focused on anodic semic

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22

Dang, Hongmei. "Nanostructured Semiconductor Device Design in Solar Cells." UKnowledge, 2015. http://uknowledge.uky.edu/ece_etds/77.

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We demonstrate the use of embedded CdS nanowires in improving spectral transmission loss and the low mechanical and electrical robustness of planar CdS window layer and thus enhancing the quantum efficiency and the reliability of the CdS-CdTe solar cells. CdS nanowire window layer enables light transmission gain at 300nm-550nm. A nearly ideal spectral response of quantum efficiency at a wide spectrum range provides an evidence for improving light transmission in the window layer and enhancing absorption and carrier generation in absorber. Nanowire CdS/CdTe solar cells with Cu/graphite/silver p

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23

Lentz, Levi (Levi Carl). "Rational design of hybrid organic solar cells." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/92219.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 113-117).<br>In this thesis, we will present a novel design for a nano-structured organic-inorganic hybrid photovoltaic material that will address current challenges in bulk heterojunction (BHJ) organic-based solar cell materials. Utilizing first principles Density Functional Theory (DFT), we show that layered inorganic phosphates and tradition organic dyes can be combined to form a new class of bulk heterojuncti

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24

Yang, Fengjiu. "Architecture design for highly efficient perovskite solar cells." Kyoto University, 2019. http://hdl.handle.net/2433/244572.

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25

De, Abreu Mafalda Jorge Alexandre. "Advanced rear contact design for CIGS solar cells." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-257846.

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The current trend concerning the thinning of solar cell devices is mainly motivated by economic aspects, such as the cost of the used rare-earth elements, and by the requirements of emergent technologies. The introduction of ultra-thin absorber layers results in a reduction of used materials and thus contributes to a more cost-effective and time-efficient production process.However, the use of absorber layers with thicknesses below 500nm gives rise to multiple apprehensions, including concerns regarding light management and the absorber’s quality.Therefore, this experimental work presents a no

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26

Moh, Lionel C. H. (Lionel Chuan Hui). "Enhancing materials for fuel cells and organic solar cells through molecular design." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/111251.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2017.<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>In an effort to make alternative energy competitive to fossil fuels, research in improving efficiencies of solar cells and fuel cells have grown rapidly over the last few decades. One prominent strategy to improving the efficiencies in th

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27

Mbambisa, Gcineka. "Polymeric-bimetallic oxide nanoalloy for the construction of photovoltaic cells." University of the Western Cape, 2014. http://hdl.handle.net/11394/4364.

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Philosophiae Doctor - PhD<br>Research in renewable energy has become a focal point as a solution to the energy crisis. One of renewable forms of energy is solar energy, with the main challenge in the development of the solar cells being the high cost. This has led to the exploration of the use of organic molecules to construct solar cells since it will lead to lowered costs of construction. The focus of this research is on the synthesis and characterisation of the polyaniline derivatives materials and zinc gallate for application in the construction of hybrid solar cells with [6,6]-phenyl-C61-

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28

Hudson, Joshua M. "Photophysical studies of silver(I), platinum(II), palladium(II), and nickel(II) complexes and their use in electronic devices." Thesis, University of North Texas, 2007. https://digital.library.unt.edu/ark:/67531/metadc5165/.

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This dissertation deals with two major topics that involve spectroscopic studies of (a) divalent group 10 metals and (b) silver(I)-phosphine complexes. The scope of the work involved the delineation of the electronic structure of these complexes in different environments and their use in electronic devices. The first topic is a look at the luminescence of tetrahedral silver(I)-phosphine complexes. Broad unstructured emissions with large Stokes shifts were found for these complexes. Computational analysis of the singlet and triplet state geometries suggests that this emission is due to a Jahn-T

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29

Jain, Nikhil. "Design of III-V Multijunction Solar Cells on Silicon Substrate." Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/33048.

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With looming energy crisis across the globe, achieving high efficiency and low cost solar cells have long been the key objective for photovoltaic researchers. III-V compound semiconductor based multijunction solar cells have been the dominant choice for space power due to their superior performance compared to any other existing solar cell technologies. In spite of unmatched performance of III-V solar cells, Si cells have dominated the terrestrial market due to their lower cost. Most of the current III-V solar cells are grown on Ge or GaAs substrates, which are not only smaller in diameter, bu

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30

Granero, Secilla Pedro. "Design and modelling of interdigitated and nanostructured polymer solar cells." Doctoral thesis, Universitat Rovira i Virgili, 2015. http://hdl.handle.net/10803/294597.

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Des de l'aparició de les cèl·lules solars orgàniques (CSO), hi ha hagut una intensa recerca per a aconseguir fer-les tan rentables com les contaminants fonts d'energia tradicionals. Una solució prometedora és el mètode de la heterounió interdigitada, que permet obtenir dispositius amb una extensa interfície Donador-Acceptador per a una correcta dissociació d'excitons. L'avantatge que aquest mètode té sobre el de la heterounió de tipus bulk és que permet que hi hagin camins directes sense interrupció per a la recol·lecció de portadors lliures als elèctrodes. En aquesta tesi hem desenvolupat un

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31

Sheng, Xing Ph D. Massachusetts Institute of Technology. "Thin-film silicon solar cells : photonic design, process and fundamentals." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/105936.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2012.<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 (pages 153-159).<br>The photovoltaic technology has been attracting widespread attention because of its effective energy harvest by directly converting solar energy into electricity. Thin-film silicon solar cells are believed to be a promisin

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Flanagan, Arlen. "Design, construction and evaluation of a multi layered solar distillation prototype /." Click here to view, 2009. http://digitalcommons.calpoly.edu/braesp/1/.

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33

Lau, Anthony Ka-Pong. "Development of a design procedure for greenhouse solar heating systems." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28853.

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The techniques of computer modeling and simulations are used to develop a design procedure for greenhouse solar heating systems. In this study a flexible computer program was written based on mathematical models that describe the various subsystems of the solar heating system that uses the greenhouse as the solar collector. Extensive simulation runs were carried out for predicting system thermal performance, and subsequently correlations were established between dimensionless variables and long term system performance. The combined greenhouse thermal environment - thermal storage model along

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34

Marín, Sáez Julia. "Design, Construction and Characterization of Holographic Optical Elements for Building-Integrated Concentrating Photovoltaics." Doctoral thesis, Universitat de Lleida, 2019. http://hdl.handle.net/10803/669230.

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El principal objectiu d'aquesta tesi és el disseny, construcció i caracterització d'un sistema de concentració solar format per dues lents cilíndriques hologràfiques i una cèl•lula fotovoltaica de silici per integració arquitectònica en façanes. L'ús d'Elements Òptics Hologràfics (EOHs) en lloc d'elements refractius o miralls suposa avantatges com la selectivitat cromàtica i la facilitat d'integració en façanes. D'altra banda, cal fer seguiment en una direcció. Els EOHs han estat dissenyats de manera que s'acobla l'espectre solar amb la resposta espectral de la cèl•lula per obtenir una conc

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Sana, Peyman. "Design, fabrication and analysis of high efficiency multicrystalline silicon solar cells." Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/15039.

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Chuang, Chia-Hao Marcus. "Toward efficient and stable quantum dot solar cells : design and characterization." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104105.

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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 (pages 155-167).<br>This thesis focuses on the optical and electronic properties of lead sulfide (PbS) quantum dots (QDs) for the development of QD solar cells. Near-infrared active PbS QDs composed of earth-abundant elements have emerged as

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37

James, Keith Edward. "The Effects of Phosphonic Acids in Dye-Sensitized Solar Cells." PDXScholar, 2016. http://pdxscholar.library.pdx.edu/open_access_etds/2951.

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Novel methods for the construction of dye-sensitized solar cells (DSSCs) were developed. A thin dense underlayer of TiO2 was applied on fluorine-doped tin oxide (FTO) glass using as a precursor Tyzor AA-105. Subsequently a mesoporous film of P-25 TiO2 was applied by spreading a suspension uniformly over the surface of the underlayer and allowing the plate to slowly dry while resting on a level surface. After sintering at 500° C slides were treated with TCPP as a sensitizing dye and assembled into DSSCs. A novel method was used to seal the cells; strips of Parafilm® were used as spacers between

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38

Fernandez-Munoz, Raul. "Design of solar power plant with coupled thermal storage." Thesis, Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/16722.

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Uluoglu, Arman. "Solar-hydrogen Stand-alone Power System Design And Simulations." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12611884/index.pdf.

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In this thesis, solar-hydrogen Stand-Alone Power System (SAPS) which is planned to be built for the emergency room of a hospital is designed. The system provides continuous, off-grid electricity during the whole period of a year without any external electrical power supply. The system consists of Photovoltaic (PV) panels, Proton Exchange Membrane (PEM) based electrolyzers, PEM based fuel cells, hydrogen tanks, batteries, a control mechanism and auxiliary equipments such as DC/AC converters, water pump, pipes and hydrogen dryers. The aim of this work is to investigate the optimal system configu

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Ropp, Michael Eugene. "Design issues for grid-connected photovoltaic systems." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/13456.

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Hua, Yong. "Design and synthesis of new organic dyes for highly efficient dye-sensitized solar cells (DSSCs)." HKBU Institutional Repository, 2014. https://repository.hkbu.edu.hk/etd_oa/71.

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Dye-sensitized solar cell (DSSC) has attracted increasing interest as a promising hybrid organic-inorganic solar cell. At the heart of the device is a photosensitizer, which is anchored onto a wide-bandgap semiconducting metal oxide. It harvests solar light and transfers the energy via electron transfer to a suitable material (e.g. TiO2) to produce electricityas opposed to chemical energy in plant. The topic of this thesis focuses on the design and synthesis of metal-free organic dyes for applications in DSSCs. Specific attention has been paid to the correlation between the molecular structure

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Levy, Michael Yehuda. "Design, experiment, and analysis of a photovoltaic absorbing medium with intermediate levels." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24703.

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Thesis (Ph.D.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2008.<br>Committee Chair: Honsberg, Christiana; Committee Co-Chair: Citrin, David; Committee Member: Doolittle, Alan; Committee Member: First, Phillip; Committee Member: Ralph, Stephen; Committee Member: Rohatgi, Ajeet

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Schultz, Ross Dane. "On the design of concentrator photovoltaic modules." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1015766.

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High concentration photovoltaics (HCPV) promise a more efficient, higher power output than traditional photovoltaic modules. This is achieved by concentrating sunlight onto a small 1 cm2 triple junction (CTJ) InGaP/InGaAs/Ge cell by using precision optics. In order to achieve high performance, careful and informed design decisions must be made in the development of a HCPV module . This project investigated the design of a HCPV module and is divided into sections that concentrate on the optical design, thermal dissipation and electrical characterization of a concentration triple junction cell.

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Cabau, Parra Lydia. "Design and Synthesis of Small Molecules for Organic and Grätzel Solar Cells." Doctoral thesis, Universitat Rovira i Virgili, 2014. http://hdl.handle.net/10803/320183.

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El creixement de la població i dels nous països emergents fa que el consum energètic es dispari. Tota la població depèn d’aquest consum i com a conseqüència es depèn de les reserves de combustibles fòssils disponibles. Una de les fonts d’energia no esgotable i que proveu a la terra d’una gran quantitat d’energia es el Sol. Aquesta Energia ja està sent explotada amb la utilització de panells solars basades en silici. No obstant degut al seu alt cost de fabricació no poden competir amb les fonts d’energia ja existents. Per tant, noves investigacions en alternatives han estat àmpliament estudi

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Karlsson, Karl Martin. "Design, Synthesis and Properties of Organic Sensitizers for Dye Sensitized Solar Cells." Doctoral thesis, KTH, Kemi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-33190.

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This thesis gives a detailed description of the design and synthesis of new organic sensitizers for Dye sensitized Solar Cells (DSCs). It is divided in 7 chapters, where the first gives an introduction to the field of DSCs and the synthesis of organic sensitizers. Chapters 2 to 6 deal with the work of the author, starting with the first publication and the other following in chronological order. The thesis is completed with some concluding remarks (chapter 7). The DSC is a fairly new solar cell concept, also known as the Grätzel cell, after its inventor Michael Grätzel. It uses a dye (sensitiz

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Duran, Claudia [Verfasser]. "Bifacial Solar Cells: High Efficiency Design, Characterization, Modules and Applications / Claudia Duran." Konstanz : Bibliothek der Universität Konstanz, 2012. http://d-nb.info/102641542X/34.

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Elani, U. "The design, fabrication and assessment of interdigitated back contact silicon solar cells." Thesis, Cardiff University, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354744.

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Buchhauser, David 1950. "Design, construction, and testing of a microprocessor controlled tracking and scanning solar spectroradiometer." Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/276567.

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A versatile solar spectroradiometer has been designed which is capable of measuring direct solar radiation, the solar aureole, and sky radiance far from the sun. An active tracker consisting of a quadrant detector, telescope and stepper-motor driven alt-azimuth mount is used to position the spectroradiometer by computer control for solar tracking and almucantur scans. An internally baffled telescope designed to suppress stray light is employed as the optical receiver, and a photodiode serves to convert the collected flux to an electrical signal. A digitally controlled gain-switching transimped

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Tegeder, Troy Dixon. "Development of an Efficient Solar Powered Unmanned Aerial Vehicle with an Onboard Solar Tracker." BYU ScholarsArchive, 2007. https://scholarsarchive.byu.edu/etd/856.

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Methods were developed for the design of a solar powered UAV capable of tracking the sun to achieve maximum solar energy capture. A single-axis solar tracking system was designed and constructed. This system autonomously rotated an onboard solar panel to find the angle of maximum solar irradiance while the UAV was airborne. A microcontroller was programmed and implemented to control the solar tracking system. A solar panel and an efficient airframe capable of housing the solar tracking system was designed and constructed. Each of these subsystems was tested individually with either ground or f

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Andresen, Inger. "A Multi-Criteria Decision-Making Method for Solar Building Design." Doctoral thesis, Norwegian University of Science and Technology, Faculty of Architecture and Fine Art, 2000. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-451.

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<p>The background for this thesis is based on the assumption that the success of solar buildings relies on the assessment and integration of all the different design objectives, called criteria. These criteria are often quite complicated to deal with (e.g. environmental loading) and may be conflicting. The different design issues and the many different available energy technologies call for different areas of expertise to be involved in the design of solar buildings. This makes it difficult to evaluate the overall “goodness” of a proposed design solution. Also, the communication between design

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