Dissertations / Theses on the topic 'Photovoltaic cells'
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Joseph, Savina Rita. "Current generation in photovoltaic cells." Thesis, University of Oxford, 2018. http://ora.ox.ac.uk/objects/uuid:ed430576-6066-43bd-86fa-ead9c44c20c5.
Full textKang, Moon Hee. "Development of high-efficiency silicon solar cells and modeling the impact of system parameters on levelized cost of electricity." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47647.
Full textWijayantha, Kahagala Gamage Upul. "Characterisation of dye sensitised photovoltaic cells." Thesis, University of Bath, 2001. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341703.
Full textShaw, Nicola Jane. "Studies of dye sensitised photovoltaic cells." Thesis, University of Bath, 1999. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301538.
Full textZhao, Lin. "Polymer-based photovoltaic devices /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?PHYS%202003%20ZHAO.
Full textIncludes bibliographical references (leaves 79-82). Also available in electronic version. Access restricted to campus users.
Pendyala, Raghu Kishore. "Automated Simulation of Organic Photovoltaic Solar Cells." Thesis, Linköping University, The Department of Physics, Chemistry and Biology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-15338.
Full textThis project is an extension of a pre-existing simulation program (‘Simulation_2dioden’). This simulation program was first developed in Konarka Technologies. The main purpose of the project ‘Simulation_2dioden’ is to calibrate the values of different parameters like, Shunt resistance, Series resistance, Ideality factor, Diode current, epsilon, tau, contact probability, AbsCT, intensity, etc; This is one of the curve fitting procedure’s. This calibration is done by using different equations. Diode equation is one of the main equation’s used in calculating different currents and voltages, from the values generated by diode equation all the other parameters are calculated.
The reason for designing this simulation_2dioden is to calculate the values of different parameters of a device and the researcher would know which parameter effects more in the device efficiency, accordingly they change the composition of the materials used in the device to acquire a better efficiency. The platform used to design this project is ‘Microsoft Excel’, and the tool used to design the program is ‘Visual basics’. The program could be otherwise called as a ‘Virtual Solar cell’. The whole Virtual Solar cell is programmed in a single excel sheet.
An Automated working solution is suggested which could save a lot of time for the researchers, which is the main aim of this project. To calibrate the parameter values, one has to load the J-V characteristics and simulate the program by just clicking one button. And the parameters extracted by using this automated simulation are Parallel resistance, Series resistance, Diode ideality, Saturation current, Contact properties, and Charge carrier mobility.
Finally, a basic working solution has been initiated by automating the simulation program for calibrating the parameter values.
Potscavage, William J. Jr. "Physics and engineering of organic solar cells." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/39634.
Full textSchultz, Ross Dane. "On the design of concentrator photovoltaic modules." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1015766.
Full textLevy, 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.
Full textCommittee Chair: Honsberg, Christiana; Committee Co-Chair: Citrin, David; Committee Member: Doolittle, Alan; Committee Member: First, Phillip; Committee Member: Ralph, Stephen; Committee Member: Rohatgi, Ajeet
Vaynzof, Yana. "Inverted hybrid solar cells." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609823.
Full textParlevliet, David Adam. "Silicon nanowires for photovoltaic applications /." Murdoch University Digital Theses Program, 2008. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20090930.140302.
Full textAl-Husenawi, Dhiyaa Kareem Muslem. "Studies of low cost biological photovoltaic cells." Thesis, Bangor University, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.664461.
Full textBlair, Emily. "Characterisation of poly (2,7-carbazole) photovoltaic cells." Thesis, Université Laval, 2011. http://www.theses.ulaval.ca/2011/28384/28384.pdf.
Full textMohammad, Jassim M. H. "Characterization of hydrogenated amorphous silicon photovoltaic cells." Thesis, Heriot-Watt University, 1987. http://hdl.handle.net/10399/1012.
Full textGhamande, Maithili. "Optical Modeling of Organic Photovoltaic Solar Cells." University of Akron / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=akron1320329919.
Full textCelik, Ilke. "Eco-design of Emerging Photovoltaic (PV) Cells." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1533123980079904.
Full textTan, Swee Ching. "Photosynthetic proteins photovoltaic devices." Thesis, University of Cambridge, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609050.
Full textAlam, Mohammad Saad. "Real-time maximum power tracking and robust load matching of a stand-alone photovoltaic system a dissertation presented to the faculty of the Graduate School, Tennessee Technological University /." Click to access online, 2009. http://proquest.umi.com/pqdweb?index=0&did=1756844361&SrchMode=1&sid=2&Fmt=6&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1280170042&clientId=28564.
Full textCrozier, Jacqueline Louise. "Characterisation of performance limiting defects in photovoltaic devices using electroluminescence and related techniques." Thesis, Nelson Mandela Metropolitan University, 2015. http://hdl.handle.net/10948/11004.
Full textBenecke, Mario Andrew. "On the optical and electrical design of low concentrator photovoltaic modules." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1013102.
Full textYandt, Mark. "Characterization and Performance Analysis of High Efficiency Solar Cells and Concentrating Photovoltaic Systems." Thesis, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/20535.
Full textMacabebe, Erees Queen Barrido. "Investigation of device and performance parameters of photovoltaic devices." Thesis, Nelson Mandela Metropolitan University, 2009. http://hdl.handle.net/10948/1003.
Full textBlack, David. "Fabrication of hybrid inorganic and organic photovoltaic cells." Thesis, De Montfort University, 2011. http://hdl.handle.net/2086/5299.
Full textZhang, Weifeng. "Novel thiophene-based molecular materials with enhanced functional properties for photovoltaic applications." HKBU Institutional Repository, 2011. http://repository.hkbu.edu.hk/etd_ra/1215.
Full textHo, Carr Hoi Yi. "Toward better performing organic solar cells: impact of charge carrier transport and electronic interactions in bulk heterojunction blends /Ho Hoi Yi, Carr." HKBU Institutional Repository, 2017. https://repository.hkbu.edu.hk/etd_oa/359.
Full textKroposki, Benjamin David. "A methodology to study photovoltaics and storage system interactions." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-03242009-040410/.
Full textVorster, Frederick Jacobus. "On the characterization of photovoltaic devices for concentrator purposes." Thesis, Nelson Mandela Metropolitan University, 2007. http://hdl.handle.net/10948/639.
Full textQiu, C. X. (Xing Xing). "Investigation of electrodeposited CuInSe2 films for photovoltaic cells." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39267.
Full textQiu, Chunong. "Development of photovoltaic cells on electrodeposited CuInSe2 films." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39982.
Full textThe high resistivity CdS and low resistivity ZnO thin films were then deposited on electrodeposited CuInSe$ sb2$ to fabricate cells of the form ZnO/CdS(high $ rho$)/CuInSe$ sb2$. For comparison, cells of CdS(low $ rho$)/CdS(high $ rho$)/CuInSe$ sb2$ were also fabricated by evaporation of low resistivity CdS. The CuInSe$ sb2$ films used were treated either in vacuum or Ar. For those treated in vacuum, very poor properties were observed. The properties improved after a post fabrication heat treatment in air, however, the efficiency of these cells was below 2%. The low conversion efficiency was due to the low open circuit voltage. From capacitance-voltage measurements, this was found to be due to a high acceptor concentration on the surface of the vacuum treated CuInSe$ sb2$ films (10$ sp{17}$ cm$ sp{-3}$). For the cells fabricated on the CuInSe$ sb2$ films treated in Ar, photovoltaic effects were present before the air heat treatment. An efficiency of 6.8% was obtained for one of the best cells, sample J8-4 (with low resistivity CdS window). For cells with ZnO window, a conversion efficiency of 6.3% was obtained (cell O51). For these cells, the acceptor concentration in CuInSe$ sb2$ was 10$ sp{16}$ cm$ sp{-3}$, which was one order of magnitude lower than that of CuInSe$ sb2$ films treated in vacuum.
The diffusion length of minority carriers (electrons) in the electrodeposited, p-type CuInSe$ sb2$ was first measured using the photocurrent and capacitance methods. For the vacuum treated CuInSe$ sb2$ films, the electron diffusion length was small (less than 0.1 $ mu$m). For those treated in Ar, values of the electron diffusion length were about 0.5 $ mu$m. These values are close to those reported for evaporated CuInSe$ sb2$ thin films.
Some of the fabricated cells were also studied using an electron beam induced current (EBIC) method. From the EBIC experiments, the effective diffusion lengths of electrons with values greater than 1 $ mu$m were obtained. Considering the surface recombination effect, the electron diffusion length of the electrodeposited CuInSe$ sb2$ was finally found to be 2.4 $ mu$m. This large electron diffusion length was consistent with the high short circuit current density observed in I-V measurements of the electrodeposited CuInSe$ sb2$ cells.
Schrader, Manuel [Verfasser]. "Charge transport in organic photovoltaic cells / Manuel Schrader." Mainz : Universitätsbibliothek Mainz, 2013. http://d-nb.info/1046203487/34.
Full textMarsh, Robert Alexander. "Charge recombination and separation in excitonic photovoltaic cells." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611592.
Full textHardy, Dorothy Anne. "Integrating crystalline-silicon photovoltaic cells into decorative glazing." Thesis, Heriot-Watt University, 2015. http://hdl.handle.net/10399/2854.
Full textBrooks, William. "Spatially resolved characterisation of CdTe photovoltaic solar cells." Thesis, Bangor University, 2012. https://research.bangor.ac.uk/portal/en/theses/spatially-resolved-characterisation-of-cdte-photovoltaic-solar-cells(2395fac6-edd7-4e9e-8c81-f35aaa79b51b).html.
Full textGerber, Jacques Dewald. "On the thermal and electrical properties of low concentrator photovoltaic systems." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1021219.
Full textThantsha, Nicolas Matome. "On the characterisation of copper indium diselenide based photovoltaic devices." Thesis, Nelson Mandela Metropolitan University, 2006. http://hdl.handle.net/10948/443.
Full textCrozier, Jacqueline Louise. "Characterization of cell mismatch in photovoltaic modules using electroluminescence and associated electro-optic techniques." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1015059.
Full textJiang, Chu-Wei School of Photovoltaic Engineering UNSW. "Theoretical and experimental study of energy selective contacts for hot carrier solar cells and extensions to tandem cells." Awarded by:University of New South Wales. School of Photovoltaic Engineering, 2005. http://handle.unsw.edu.au/1959.4/23065.
Full textDönertaş, Yavaş Medine Elif Güneş Mehmet. "The effects of native and light induced defects in the optical and electronic properties of hydrogenated amorphous silicon Germanium (a-SiGe:H) alloy thin films/." [s.l.]: [s.n.], 2005. http://library.iyte.edu.tr/tezlerengelli/master/fizik/T000336.pdf.
Full textMichalopoulos, Panayiotis. "A novel approach for the development and optimization of state-of-the-art photovoltaic devices using Silvaco." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://library.nps.navy.mil/uhtbin/hyperion-image/02Mar%5FMichalopoulos.pdf.
Full textThesis advisor(s): Sherif Michael, Bret Michael, Todd Weatherford. Includes bibliographical references (p. 167-169). Also available online.
Vijh, Aarohi. "Triple Junction Amorphous Silicon based Flexible Photovoltaic Submodules on Polyimide Substrates." Connect to full text in OhioLINK ETD Center, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1122656006.
Full textMoore, Jennifer Rose. "New materials for solution-processible solar cells." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609301.
Full textTvingstedt, Kristofer. "Light Trapping and Alternative Electrodes for Organic Photovoltaic Devices." Doctoral thesis, Linköpings universitet, Biomolekylär och Organisk Elektronik, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-17229.
Full textBollinger, Joshua David. "Applications of solar energy to power stand-alone area and street lighting." Diss., Rolla, Mo. : University of Missouri-Rolla, 2007. http://scholarsmine.umr.edu/thesis/pdf/Joshua_Bollinger_Thesis_09007dcc8031b71d.pdf.
Full textVita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed April 17, 2007) Includes bibliographical references (p. 88-91).
Thantsha, Nicolas Matome. "Spatially resolved opto-electric measurements of photovoltaic materials and devices." Thesis, Nelson Mandela Metropolitan University, 2010. http://hdl.handle.net/10948/1123.
Full textMcCracken, R. O. "The copper-bismuth-sulphur material system and thin film deposition of Cu3BiS3 by sputtering and evaporation for the application of photovoltaic cells." Thesis, University of Leeds, 2016. http://dspace.lib.cranfield.ac.uk/handle/1826/9927.
Full textRopp, Michael Eugene. "Design issues for grid-connected photovoltaic systems." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/13456.
Full textMbambisa, Gcineka. "Polymeric-bimetallic oxide nanoalloy for the construction of photovoltaic cells." University of the Western Cape, 2014. http://hdl.handle.net/11394/4364.
Full textResearch 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-butyric acid methyl ester (PCBM) as an acceptor. The polyaniline (PANi) and doped polyaniline derivatives, polyaniline phenathrene sulfonic acid (PANi-PSA), poly[ortho-methyl aniline] phenanthrene sulfonc acid (POMA-PSA) poly[ortho-methyl aniline] anthracene sulfonc acid (POMA-ASA) were produced via chemical synthetic procedures. The zinc gallate (ZnGa2O4) was also produced using a chemical method. The vibrational and electronic spectra of the polymers and zinc gallate were interrogated independently and dependently. Electronic transitions due to charge defects (polarons and bipolarons) were observed for the polymers that are doped. The PANi was the one with the lowest band gap of 2.4 eV with the POMA-ASA having the widest bandgap of 3.0 eV. The XRD and TEM analysis of the polymers revealed characteristics that show that the PANi has the highest level of crystallinity and the POMA-ASA displayed the least level of crystallinity. The electronic data, XRD, TEM data led to the conclusion that the conductivity of the polymers is decreasing in the following sequence, PANi > PANi-PSA > POMA-PSA > POMA-ASA. The photoluminescence of the polymers alone and with the nanoparticles was investigated in solution and on an ITO coated glass substrate. Photoluminescence was observed for the polymers due to relaxation of the exciton and also from the formation of excimers. The relaxation due to the exciton was observed at higher energy levels, while the one that is as a result of the excimer formation was seen at lower energy levels. Enhancement of the peak due to the excimer was observed when the compound is mixed with the nanoparticles in solution. When the analysis was done on the ITO coated glass substrate, it was found that zinc gallate does not lead to quenching of the emission of the polymers; hence it can not be used as an acceptor in this particular system. The electrochemical behaviour of the polyaniline derivatives was investigated using cyclic voltammetry and electrochemical impedance spectroscopy. Interaction of the polymers with the PCBM (acceptor) was investigated using UV-visible absorption spectroscopy and photoluminescence spectroscopy. It was able to quench the photoluminescence of the polymers. Hence it was used as an acceptor in the construction of the photovoltaic cells. The polymers alone and with the nanoparticles were used in the formation of bulk heterojunction photovoltaic cells with PCBM as an acceptor. The photovoltaic behaviour was investigated and PANi was the one that displayed the highest efficiency.
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.
Full textAttygalle, Dinesh. "Electrochemical Deposition of Transparent Conducting Oxides for Photovoltaic Applications." Connect to full text in OhioLINK ETD Center, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1229464154.
Full textKim, Yongjin. "Experimental investigation of the interfacial fracture toughness in organic photovoltaics." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47605.
Full text