Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 103 for “"Silicon Solar Cells"”.
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Compensation engineering for silicon solar cells
… on the electrical properties of crystalline silicon relevant to the operation of solar cells. We show that the control of the net dopant density, which is essential to the fabrication of high-efficiency solar cells, is very challenging in ingots crystallized with silicon feedstock containing …
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Compensation engineering for silicon solar cells
… on the electrical properties of crystalline silicon relevant to the operation of solar cells. We show that the control of the net dopant density, which is essential to the fabrication of high-efficiency solar cells, is very challenging in ingots crystallized with silicon feedstock containing …
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Texturization of multicrystalline silicon solar cells
A significant efficiency gain for crystalline silicon solar cells can be achieved by surface texturization. This research was directed at developing a low-cost, high-throughput and reliable texturing method that can create a honeycomb texture. Two distinct approaches for surface texturization were …
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Accurate performance measurement of silicon solar cells
… measurement is an important part of the solar cell manufacturing process. Two classes of measurement can be considered: accurate calibration – for the creation of reference cells and the setting of records; and routine measurement – for cell sorting and process improvement. This work …
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Accurate performance measurement of silicon solar cells
… measurement is an important part of the solar cell manufacturing process. Two classes of measurement can be considered: accurate calibration – for the creation of reference cells and the setting of records; and routine measurement – for cell sorting and process improvement. This work …
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Fabrication and characterization of microcrystalline silicon solar cells
In this study, single junction p-i-n uc-Si:H solar cells were prepared using plasma of silane diluted by hydrogen in a low-cost, single chamber, non-load-locked RF-PECVD system. Direct structural characterization of uc-Si:H solar cells, rather than stand-alone films, was conducted using Raman …
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Designing Planar Silicon Solar Cells for Singlet Fission Sensitization
Singlet fission (SF)-sensitized silicon (Si) solar cells offer a path towards surpassing the Shockley-Queisser efficiency limit for single-junction solar cells. However, realizing efficient charge transfer from the SF material to Si remains a significant challenge that requires careful interface …
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Pulsed Laser Dielectric Ablation for Copper-plated Silicon Solar Cells
… with a reduced material cost for Si solar cell manufacturing. However, concerns of laser-induced damage with carrier recombination and plated metal adhesion have contributed to a low market fraction of Cu-plated modules. This thesis aimed to further understand the contact formation …
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Rapid thermal processing of silicon solar cells-passivation and diffusion
… sich auf der Entwicklung eines optimierten Solarzellen-prozesses für Czochralski(Cz) Siliciummaterialien, auf die Charakterisierung der Oberflächenpassiveierung und auf die Diffusion mittels eines raschen thermischen Prozess (RTP). <br>Bordotierte Cz-Siliciummaterialen werden in großen …
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Simulation of iron impurity gettering in crystalline silicon solar cells
… models the physics of iron impurity gettering in silicon solar cells during high temperature processing. The tool also includes a device simulator to calculate cell performance after processing. By linking input materials, processing, and cell performance, 12E enables accelerated solar cell …
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Thin-film silicon solar cells : photonic design, process and fundamentals
… effective energy harvest by directly converting solar energy into electricity. Thin-film silicon solar cells are believed to be a promising candidate for further scaled-up production and cost reduction while maintaining the advantages of bulk silicon. The efficiency of thin-film Si solar cells …
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Performance limits of silicon solar cells due to structural defects
… and equipment costs to produce the crystalline silicon modules that account for over 90% of modules sold today are for production of silicon wafers. While lower-cost wafers can be produced with cheaper equipment, the efficiency of modules incorporating these wafers is limited by the presence of …
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Ultrathin crystalline silicon solar cells incorporating advanced light-trapping structures
Solar photovoltaics, which convert the energy potential of photons from the sun directly into electrical power, hold immense promise as a cornerstone of a clean energy future. Yet their cost remains greater than that of conventional energy sources in most markets and a barrier to large-scale …
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A novel room temperature contacting technique applied to silicon solar cells
… technique for ohmic contact formation to silicon has been investigated for application in silicon solar cells. Point-contacting by Localised Dielectric Breakdown (PLDB) relies on localised high doping to ensure electric field based breakdown of a passivating dielectric layer occurs …
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Modeling, design and fabrication of thin-film microcrystalline silicon solar cells
… of low-cost thin-film microcrystalline silicon(ucSi) solar cells is studied in this thesis. The cell, considered in this investigation, utilizes low-cost glass as the substrate and microcrystalline Si (uc-Si) as the active layer. A comprehensive refractive index (n) and extinction …
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Process optimization of alloyed aluminum backside contacts for silicon solar cells
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1996.
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