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Dissertations / Theses on the topic 'Tandem cells'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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1

Hadipour, Afshin. "Polymer tandem solar cells." [S.l. : Groningen : s.n. ; University Library of Groningen] [Host], 2007. http://irs.ub.rug.nl/ppn/305349066.

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2

Howells, Thomas J. "Asymmetric tandem organic solar cells." Thesis, University of Warwick, 2011. http://wrap.warwick.ac.uk/50330/.

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Organic photovoltaics (OPVs) is an area that has attracted much attention recently as a potential low cost, sustainable source of energy with a good potential for full-scale commercialisation. Understanding the factors that determine the efficiency of such cells is therefore a high priority, as well as developing ways to boost efficiency to commercially-useful levels. In addition to an intensive search for new materials, significant effort has been spent on ways to squeeze more performance out of existing materials, such as multijunction cells. This thesis investigates double junction tandem c
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Timmreck, Ronny. "Characterization of tandem organic solar cells." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-183130.

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The tandem solar cell concept is a promising approach to improve the efficiency of photovoltaic devices. However, characterization of tandem solar cell devices is challenging since correct efficiency determination demands special experimental infrastructure as well as suitable characterization procedures. Even though the appropriate IEC and ASTM measurement standards define all that very precisely, they cannot be applied without special care to organic photovoltaics (OPV) because they were originally developed for inorganic devices. As a consequence, nowadays almost all tandem organic solar ce
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4

Bett, Alexander Jürgen [Verfasser], and Stefan [Akademischer Betreuer] Glunz. "Perovskite silicon tandem solar cells : : two-terminal perovskite silicon tandem solar cells using optimized n-i-p perovskite solar cells." Freiburg : Universität, 2020. http://d-nb.info/1214179703/34.

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5

Aydinci, Nedim. "Processing Technology for Si Based Tandem Solar Cells." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-177442.

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This project focuses on the investigation of Silicon based Tandem solar cell fabricated by using the Hydride Vapor Phase Epitaxy (HVPE). In the state-of-the-art multi-junction solar cell manufacturing epitaxial technologies are used for sub-cell formation, such as MOVPE (Metal Organic Vapour Phase Epitaxy) [1] or MBE (Molecular Beam Epitaxy) [2]. Tandem solar cell structures consist of subcells made of III-V semiconductors serially connected or grown on a suitable semiconductor substrate [3]. The used semiconductor materials have to be lattice matched to each other and with optimum band gap co
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6

Mirabelli, Alessandro James. "Highly efficient monolithic Perovskite/Silicon bifacial tandem solar cells." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/20369/.

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Perovskite solar cells have been the focus of photovoltaics research in this past decade. Owing to their many favorable properties - like low cost solution processability, tunable bandgap and high efficiency, they have seen much attention in various types of solar cell designs. A promising technology has coupled perovskite cells with another semiconductor material in monolithic tandem solar cells, reaching record efficiencies of 29.15%. However, these kinds of devices require current matching condition to maximize the output of solar cells, making their fabrication challenging. Here, we propos
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7

Ioannides, Andreas. "Characterisation of monolithic tandem solar cells containing strain balanced quantum well sub-cells." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/30625.

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This thesis presents the milestone efficiency of 30.6% under 54x concentration achieved by a monolithic tandem solar cell containing strain balanced quantum well sub-cells. This is the first demonstration of tandem cells containing quantum well sub-cells. Characterisation and modelling of the quantum efficiency and dark currents of monolithic tandem cells containing quantum well sub-cells are also presented for the first time. Predictions performed by a simulation program indicate that 32.3% efficiency at 500x concentration can be achieved and in combination with an active Ge substrate efficie
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8

Shim, Jae Won. "Study of charge-collecting interlayers for single-junction and tandem organic solar cells." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/51820.

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A hole-collecting interlayer layer for organic solar cells, NiO, processed by atomic layer deposition (ALD) was studied. ALD-NiO film offered a novel alternative to efficient hole-collecting interlayers in conventional single-junction organic solar cells. Next, surface modifications with aliphatic amine group containing polymers for use as electron-collecting interlayers were studied. Physisorption of the polymers was found to lead to large reduction of the work function of conducting materials. This approach provides an efficient way to provide air-stable low-work function electrodes for orga
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9

Sofia, Sarah E. (Sarah Elizabeth). "Designing metal grid contacts for four-terminal tandem solar cells." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/106774.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2016.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 52-55).<br>Flat-panel tandem solar cells have demonstrated the potential to exceed the efficiencies of their single-junction constituents. However, robust rules for tandem solar cell design are currently lacking, slowing the development of cost-effective implementations of this technology. The four-terminal (4T) architecture stacks electrically independent sub-cells and avoids current-matching losses, resulting i
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10

Smith, Thomas. "Studies of p-type semiconductor photoelectrodes for tandem solar cells." Thesis, Loughborough University, 2014. https://dspace.lboro.ac.uk/2134/14522.

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Photoelectrodes and photovoltaic devices have been prepared via multiple thin film deposition methods. Aerosol assisted chemical vapour deposition (AACVD), electrodeposition (ED), chemical bath deposition (CBD) and doctor blade technique (DB) have been used to deposit binary and ternary metal oxide films on FTO glass substrates. The prepared thin films were characterised by a combination of SEM (Scanning Electron Microscopy), powder X-ray diffraction, mechanical strength tests and photochemical measurements. Nickel oxide (NiO) thin films prepared by AACVD were determined to have good mechanica
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11

Somers, Christopher Michael Quinn James S. "Germline mutations at expanded simple tandem repeat DNA loci in sentinel mice /." *McMaster only, 2004.

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12

Gugole, Marika. "Development and characterisation of silicon solar cells with recombination interconnects for future tandem solar cells." Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-355765.

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In this project commercial BSF Si solar cells have been processed in order to develop a suitable interconnect for a possible tandem solar cell. The Ag original top contacts have been removed and replaced with TiSi2 formed using the SALICIDE process at 3 different temperatures: 500 °C, 650 °C and 750 °C. Raman spectroscopy and EDS maps have been used to prove the successful formation of the TiSi2 contacts for the 750 °C temperature. As part of this work we also developed a MATLAB script which successfully fits the measured IV curve of a Si solar cell and extrapolates the values of the component
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13

Redorici, Lisa. "Efficiency limits for silicon/perovskite tandem solar cells: a theoretical model." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/9531/.

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The primary goal of this work is related to the extension of an analytic electro-optical model. It will be used to describe single-junction crystalline silicon solar cells and a silicon/perovskite tandem solar cell in the presence of light-trapping in order to calculate efficiency limits for such a device. In particular, our tandem system is composed by crystalline silicon and a perovskite structure material: metilammoniumleadtriiodide (MALI). Perovskite are among the most convenient materials for photovoltaics thanks to their reduced cost and increasing efficiencies. Solar cell efficiencies
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14

Wood, C. J. "Improving the performance of photocathodes in tandem dye-sensitised solar cells." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/38582/.

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Tandem dye-sensitised solar cells, which contain two dye-sensitized electrodes (one p-type and one n-type), are often cited as a way of improving upon the standard devices, in which only the n-type electrode is photoactive. However, the p-type component of these devices suffers from very poor photocurrents, limiting the overall performance of the tandem cell. This Thesis aims to improve the performance of p-type dye-sensitised solar cells. An emphasis is made on tuning the energy levels of the different components of the device to ensure that the charge transfer processes which dictate the cur
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15

Iona, Georgia. "Intermediate layer contacts for tandem solar cells based on ALD SnO2." Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-433511.

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In this project, samples with a metal/semiconductor/metal structure were fabricated and investigated with the potential application as the interconnecting layer of a tandem solar cell in mind. Degenerately doped p-Si and n-Si were used as bottom (metal like) contacts, as Si represents one of the most common materials for the bottom cell of tandem devices. A transparent, wide bandgap semiconductor in the form of SnO₂ was investigated for the intermediate layer as it is a common choice for the selective back contact of top cells based on perovskites. However, atomic layer deposition (ALD) was us
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16

Jiang, 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.

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Photovoltaics is currently the fastest growing energy source in the world. Increasing the conversion efficiency towards the thermodynamic limits is the trend in research development. ???Third generation??? photovoltaics involves the investigation of ideas that may achieve this goal. Among the third generation concepts, the tandem cell structure has experimentally proven to have conversion efficiencies higher than a standard p-n junction solar cell. The alternative hot carrier solar cell design is one of the most elegant approaches. Energy selective contacts are crucial elements for the operati
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17

Ibrahim, Kamarulazizi. "Analysis of amorphous thin-film tandem solar cells and their component layers." Thesis, Heriot-Watt University, 1989. http://hdl.handle.net/10399/923.

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18

Jeedigunta, Sathyaharish. "Development of cadmium selenide as an absorber layer for tandem solar cells." [Tampa, Fla.] : University of South Florida, 2004. http://purl.fcla.edu/fcla/etd/SFE0000279.

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19

Soresi, Stefano. "InP based tandem solar cells integrated onto Si substrates by heteroepitaxial MOVPE." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTS021/document.

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Cette thèse s’intéresse à l'intégration sur Si de cellules solaires III-V à simple et double jonction par épitaxie en phase vapeur aux organo-métalliques (MOVPE). Les dispositifs photovoltaïques ont été réalisés avec des matériaux accordés sur InP. L'objectif était d'abord d'obtenir des dispositifs performants sur des substrats InP, puis de les intégrer sur une structure avec un paramètre de maille différent, en évaluant les effets sur les performances photovoltaïques. Ceci a nécessité la réalisation et l'optimisation de plusieurs étapes de fabrication.Tout d'abord, nous avons réalisé une cell
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20

Cots, Ainhoa. "Development of hematite and cupric oxide photoelectrodes for water splitting tandem cells." Doctoral thesis, Universidad de Alicante, 2019. http://hdl.handle.net/10045/110620.

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Since the beginning of the Industrial Revolution, the global energy consumption has been continuously increasing, supplied mainly by coal, oil and natural gases. Unfortunately, this consumption is linked to the emission of greenhouse gasses such as CO2 to the atmosphere. For this reason, it is extremely important to look for sustainable and renewable energy sources in order to replace the commonly used fossil fuels. Within the different types of renewable energy sources, solar energy holds by far the largest potential capacity. In this respect, artificial photosynthesis is a promising technolo
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21

Bowers, Jake. "Development of high efficiency dye sensitized solar cells : novel conducting oxides, tandem devices and flexible solar cells." Thesis, Loughborough University, 2011. https://dspace.lboro.ac.uk/2134/9121.

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Photovoltaic technologies use light from the sun to create electricity, using a wide range of materials and mechanisms. The generation of clean, renewable energy using this technology must become price competitive with conventional power generation if it is to succeed on a large scale. The field of photovoltaics can be split into many sub-groups, however the overall aim of each is to reduce the cost per watt of the produced electricity. One such solar cell which has potential to reduce the cost significantly is the dye sensitised solar cell (DSC), which utilises cheap materials and processing
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22

Huang, Xiufeng [Verfasser]. "Short Tandem Repeat Profiles In Ovarian Carcinoma Cells During Primary Culture / Xiufeng Huang." Kiel : Universitätsbibliothek Kiel, 2019. http://d-nb.info/1198210575/34.

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23

Ketlhwaafetse, Richard. "Comparative study of dilute nitride and bismide sub-junctions for tandem solar cells." Thesis, University of Essex, 2016. http://repository.essex.ac.uk/15910/.

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Theoretical models show that tandem solar cells can reach efficiency of more than 50 %. To achieve efficiencies closer to the projected outputs in a quad tandem solar cell, a 1.0 eV sub-junction with good optical and electrical properties is sought. The observed bandgap reduction when small amounts of Nitrogen or Bismuth is incorporated into GaAs makes these alloys (dilute nitrides and bismides) possible candidates for the tandem solar cells. In this work, the performance of dilute nitride and bismide solar cells of different designs which include p-i-n bulk and p-i-n multiple quantum wells (M
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24

Schulze, Patricia S. C. [Verfasser], Harald [Akademischer Betreuer] Hillebrecht, and Stefan [Akademischer Betreuer] Glunz. "High band gap perovskite absorbers for application in monolithic perovskite silicon tandem solar cells." Freiburg : Universität, 2020. http://d-nb.info/122336612X/34.

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25

Sokol, Katarzyna. "Photoelectrochemical tandem cells with enzymes wired to hierarchically-structured electrodes for solar fuel synthesis." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/289717.

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In photosynthesis, solar energy drives the conversion of CO2 and H2O into chemical energy carriers and building blocks, releasing O2 as a by-product. Artificial photosynthesis attempts to mimic this process to produce a renewable and storable fuel, such as H2. Semi-artificial photosynthesis combines the strengths of natural photosynthesis with synthetic chemistry and materials science to develop model systems that overcome Nature's limitations, such as low-yielding metabolic pathways and non-complementary light absorption by photosystem (PS) I and II. PSII, the first photosynthetic enzyme, is
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26

Polyzoeva, Evelina Aleksandrova. "Tradeoffs of the use of SiGe buffer layers in tandem GaAsP/Si solar cells." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/107289.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 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 101-103).<br>III-V multi-junction solar cells currently have the highest reported theoretical and experimental energy conversion efficiency but their cost, mainly attributed to the use of expensive substrates, limits their wi
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27

Dai, Letian. "Silicon nanowire solar cells with μc-Si˸H absorbers for tandem radial junction devices". Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS303.

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Dans cette thèse, nous avons fabriqué des cellules solaires à jonction radiale en nanofils de silicium avec du silicium microcristallin hydrogéné (µc-Si:H) comme absorbeur, par dépôt chimique en phase vapeur assisté par plasma à basse température (PECVD). Pour contrôler la densité de nanofils sur les substrats, nous avons utilisé des nanoparticules (NP) de dioxyde d'étain (SnO₂) d'un diamètre moyen de 55 nm, disponibles dans le commerce, comme précurseur du catalyseur Sn pour la croissance des nanofils de silicium. La distribution des nanoparticules de SnO₂ sur le substrat a été contrôlée par
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28

Zafoschnig, Lisa Anna. "SnOx electron selective layers for perovskite/silicon tandem solar cells using atomic layer deposition." Thesis, KTH, Energiteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-245992.

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In this work the application of ALD deposited SnOx films as electron transport layers in perovskite solar cells is analysed. Processes to fabricate homogeneous, transparent and conductive tin oxide films were developed on an Oxford Instruments FlexAL tool using a TDMASn precursor and H2O as oxidiser. Two process regimes were investigated; an ALD regime, where the precursor gases are fully separated by long purging steps and a pulsed-CVD regime, where short purge times allow for continuous reactions. Both process regimes were analysed at deposition temperatures from 100 – 250°C and showed a dec
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29

Komatu, Yuji. "Study on silicon-based tandem solar cells with novel structure towards super high efficiency." Kyoto University, 1997. http://hdl.handle.net/2433/202311.

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30

Tibbits, Thomas Nigel Driver. "Optimisation of strain-balanced quantum well solar cells for concentrator and multijunction (Tandem) applications." Thesis, Imperial College London, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.498477.

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31

Sivaraman, Gowri. "Characterization Of Cadmium Zinc Telluride Solar Cells." [Tampa, Fla.] : University of South Florida, 2003. http://purl.fcla.edu/fcla/etd/SFE0000219.

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32

Deng, Zhuo, and 鄧卓. "Luminescence and transport processes of charge carriers in the GaxIn₁-xP/GaAs double-junction tandem solar cells." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/211134.

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Semiconductor multijunction solar cell is a cutting-edge photovoltaic technology aimed at developing a frontier solution to the clean energy demand and environmental problem. Due to the efficient photoabsorption and energy conversion in the visible and near-infrared spectral ranges of the solar spectrum, the multijunction solar cell structures have shown an unprecedented application potential by demonstrating a solar conversion efficiency of over 44 %. Among various multijunction solar cell structural designs, the GaxIn1-xP/GaAs double-junction tandem structure is considered as the most fundam
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33

Müller, Toni. "Infrared Absorber Materials in Organic Small Molecule Solar Cells." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-178375.

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Broadening the spectrum available to solar cells towards infrared wavelengths is one way to increase efficiency of organic solar devices. This thesis explores the possibilities of these organic heterojunction devices and two different material classes in thin films and organic solar devices: tin phthalocyanines (SnPcs) and aza-bodipys. To estimate the efficiency reachable under sunlight, model calculations are done for single and tandem cells. These calculations include a distinction between the optical gap and the electrical gap and the splitting of the quasi-Fermi levels. With a number of ass
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34

Li, Ning [Verfasser], and Christoph [Akademischer Betreuer] Brabec. "Hybrid Heterojunction Recombination Layers for Printed Organic Tandem Solar Cells / Ning Li. Gutachter: Christoph Brabec." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2014. http://d-nb.info/1075478340/34.

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35

Gasparetto, Jacopo. "Investigation of indium tin oxide-titanium dioxide interconnection layers for perovskite-silicon tandem solar cells." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14230/.

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Per superare i limiti di efficienza delle tradizionali celle al silicio, dovuti alla termalizzazione degli elettroni generati dai fotoni solari più energetici, la comunità scientifica si è recentemente indirizzata verso la tecnologia di celle tandem monolitiche perovskite-silicio. In questo tipo di dispositivi, una cella perovskite viene depositata direttamente su di una cella etero-giunzione al silicio (SHJ) ad alta efficienza e, grazie al suo band gap, assorbe i fotoni più energetici permettendo un efficienza totale maggiore. Le celle perovskite attualmente in fase di studio presso Fraunhofe
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Moghadamzadeh, Somayeh [Verfasser], and U. [Akademischer Betreuer] Lemmer. "Multi-Cation Perovskite Semiconductors for All-Perovskite Tandem Solar Cells / Somayeh Moghadamzadeh ; Betreuer: U. Lemmer." Karlsruhe : KIT-Bibliothek, 2021. http://d-nb.info/1230475737/34.

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Grew, Benjamin A. "Studies on monolithic tandem structure for low cost and high efficiency dye-sensitized solar cells." Thesis, Heriot-Watt University, 2016. http://hdl.handle.net/10399/3191.

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Multi junction solar cells are devices fabricated from two or more solar absorbers that absorb different parts of the solar spectrum. Typically this is done to yield a device with a superior efficiency to single junction devices derived from those absorbers and to surpass the efficiency limit of a single junction device (approx 30 %). The highest performing solar cells currently available are multi junction, but they are also the most expensive, typically restricting their use to applications that require a high power output from a small area. Another possibility for multi junction solar cells
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Tvingstedt, 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.

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Organic materials, such as conjugated polymers, have emerged as a promising alternative for the production of inexpensive and flexible photovoltaic cells. As conjugated polymers are soluble, liquid based printing techniques enable production on large scale to a price much lower than that for inorganic based solar cells. Present day state of the art conjugated polymer photovoltaic cells are comprised by blends of a semiconducting polymer and a soluble derivative of fullerene molecules. Such bulk heterojunction solar cells now show power conversion efficiencies of up to 4-6%. The quantum efficie
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Bouich, Amal. "Study and Characterization of Hybrid Perovskites and Copper-Indium-Gallium Selenide thin films for Tandem Solar Cells." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/160621.

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[ES] El objetivo principal de esta tesis es contribuir al avance de nuevas técnicas de elaboración con bajo coste, utilizando materiales tipo de cobre, indio, galio y selenio CIGS y Perovskita para aplicaciones en energía solar fotovoltaica. CIGS parecen ser adecuadas ya que son de bajo costo de producción y se han reportado eficiencias de conversión del 23,35%. Por otro lado, las perovskitas híbridas de haluros de plomo orgánicos-inorgánicos han aparecido como nuevos materiales excepcionales para celdas solares, especialmente porque la eficiencia de las celdas solares basadas en perovskita ha
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Hossain, Ihteaz Muhaimeen [Verfasser], and U. W. [Akademischer Betreuer] Paetzold. "Semitransparent perovskite solar cells for perovskite-based tandem photovoltaics / Ihteaz Muhaimeen Hossain ; Betreuer: U. W. Paetzold." Karlsruhe : KIT-Bibliothek, 2021. http://d-nb.info/1230475745/34.

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Timmreck, Ronny Verfasser], Karl [Akademischer Betreuer] [Leo, and Christoph [Akademischer Betreuer] Brabec. "Characterization of tandem organic solar cells / Ronny Timmreck. Betreuer: Karl Leo. Gutachter: Karl Leo ; Christoph Brabec." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://d-nb.info/1078205132/34.

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42

Mailoa, Jonathan P. "Beyond the Shockley-Queisser limit : intermediate band and tandem solar cells leveraging silicon and CdTe technology." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/105950.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 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. Page 156 blank.<br>Includes bibliographical references (pages 141-153).<br>The efficiencies of single-junction solar cells have been rapidly increasing and approaching their fundamental Shockley-Queisser efficiency limits. This is true for mature commercial technologies
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Timmreck, Ronny [Verfasser], Karl [Akademischer Betreuer] Leo, and Christoph [Akademischer Betreuer] Brabec. "Characterization of tandem organic solar cells / Ronny Timmreck. Betreuer: Karl Leo. Gutachter: Karl Leo ; Christoph Brabec." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://d-nb.info/1078205132/34.

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44

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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Michaud, Amadeo. "III-V / Silicon tandem solar cell grown with molecular beam epitaxy." Electronic Thesis or Diss., Sorbonne université, 2019. http://www.theses.fr/2019SORUS247.

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Le photovoltaïque terrestre est actuellement largement dominé par des dispositifs à base de Silicium. La limite théorique d’efficacité de photoconversion pour les cellules solaires en silicium est de l’ordre de 29%. Avec des modules photovoltaïques ayant une efficacité de 26.3% sur le marché, la filière Si est à un niveau de maturité avancée et exploite déjà la quasi-totalité du potentiel de ce genre de cellule solaires. Le travail exposé ici traite d’une autre voie d’amélioration de l’efficacité de conversion des dispositifs photovoltaïques. En effet, les cellules solaires tandem, assemblées
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46

Subramanian, Senthilnathan. "Characterization of cadmium zinc telluride solar cells by RF sputtering." [Tampa, Fla.] : University of South Florida, 2004. http://purl.fcla.edu/fcla/etd/SFE0000429.

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47

Hamon, Gwenaëlle. "III-V/Si tandem solar cells : an inverted metamorphic approach using low temperature PECVD of c-Si(Ge)." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLX004/document.

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La limite théorique d’efficacité d’une cellule solaire simple jonction est de ~29 %. Afin de dépasser cette limite, une des moyens les plus prometteurs est de combiner le silicium avec des matériaux III-V. Alors que la plupart des solutions proposées dans la littérature proposent de faire croître directement le matériau III-V sur substrat silicium, ce travail présente une approche innovante de fabriquer ces cellules solaires tandem. Nous proposons une approche inverse métamorphique, où le silicium cristallin ou SiGe est cru directement sur le matériau III-V par PECVD. La faible température de
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48

Schultes, Moritz [Verfasser], and M. [Akademischer Betreuer] Powalla. "Four-Terminal Perovskite-CIGS Tandem Solar Cells with Improved Near-Infrared Response / Moritz Schultes ; Betreuer: M. Powalla." Karlsruhe : KIT-Bibliothek, 2020. http://d-nb.info/1209199114/34.

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49

Gaduputi, Jagadish. "Characterization of cadmium zinc telluride films and solar cells on glass and flexible substrates by rf sputtering." [Tampa, Fla.] : University of South Florida, 2004. http://purl.fcla.edu/fcla/etd/SFE0000341.

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50

Jahagirdar, Anant. "SOLAR DRIVEN PHOTOELECTROCHEMICAL WATER SPLITTING FOR HYDROGEN GENERATION USING MULTIPLE BANDGAP TANDEM OF CIGS2 PV CELLS AND TH." Doctoral diss., University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3505.

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The main objective of this research was to develop efficient CuIn1-xGaxS2 (CIGS2)/CdS thin film solar cells for photoelectrochemical (PEC) water splitting to produce very pure hydrogen and oxygen. Efficiencies obtained using CIGS2 have been lower than those achieved using CuInSe2 and CuIn1-xGaxSe2. The basic limitation in the efficiencies is attributed to lower open circuit voltages with respect to the bandgap of the material. Presently, the main mechanism used to increase the open circuit voltage of these copper chalcopyrites (CuInSe2 and CuInS2) is the addition of gallium. However, addition
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