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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 117 for “"crystalline silicon"”.
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High temperature investigations of crystalline silicon solar cell materials
Crystalline silicon solar cells are a promising candidate to provide a sustainable, clean energy source for the future. In order to bring about widespread adoption of solar cells, much work is needed to reduce their cost. Herein, I discuss the development of a new experimental technique to …
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Detecting and gettering chromium impurities in photovoltaic crystalline silicon
… by harnessing solar energy. Currently, crystalline silicon dominates the PV market with an approximate market share of 90% and record solar cell efficiencies greater than 20%. However, the PV market must decrease the cost to the consumer to maintain growth and meet global electricity …
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Defects in crystalline silicon : integrated atomistic and continuum modeling
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1998.
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Flexible and foldable single-crystalline silicon electronics for various applications
… research in flexible electronic systems based on silicon has focused on improving performance and cost. We are developing soft materials and assembly approaches that enable electronic devices with area coverage, conformal electronics, mechanical properties, or geometrical form features that would …
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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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Chemistry and physics of metallic contaminants on crystalline silicon surfaces
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1996.
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Ultrathin crystalline silicon solar cells incorporating advanced light-trapping structures
… markets and a barrier to large-scale adoption. Crystalline silicon modules, with a 90% share of the worldwide photovoltaic market, have witnessed a precipitous drop in price over the last decade. But going forward, further evolutionary cost reduction will be difficult given the significant cost …
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Strain sensor array using printed single crystalline silicon on plastic substrate
… a newly developed strain gauge using single crystalline silicon on plastic substrate, and describes the Colpitts oscillator that has the potential of wireless data transmission between sensor and data acquisition unit. In general, a metal strain gauge has high flexibility with low …
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Luminescent, quantum dot-based anti-reflective coatings for crystalline silicon photovoltaics
… of luminescent quantum dot/polymer solutions on crystalline silicon photovoltaics. After spin coating the QD/polymer onto silicon photodiodes, an increase of 3% in current density was observed. This performance improvement was used to determine the impact application would have on the crystalline …
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High Frequency Thermally Actuated Single Crystalline Silicon Micromechanical Resonators with Piezoresistive Readout
… batch fabrication method for fabricating silicon nanowires has been developed. This unique fabrication process has been utilized to fabricate high frequency, low power thermal-piezoresistive resonators. Finally, a new thermal-piezoresistive resonant structure has been developed that can …
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Flexible/stretchable strain gauges based on single-crystalline silicon for biomedical applications
Made available in DSpace on 2013-05-28T19:20:07Z (GMT). No. of bitstreams: 2 Abid_Ameen.pdf: 1466741 bytes, checksum: e8d60ff19d9c0a0c95e085476fe62e82 (MD5) license.txt: 4057 bytes, checksum: efb75a2aa9c2973babf832e08f0cb6df (MD5)
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Development of Next Generation of High Voltage Poly Crystalline Silicon Thin Film Transistors
… focuses on development of next generation polysilicon high voltage TFTs for their potential use in display applications and in PICs where high voltage and low current arc a requirement. A study on high voltage SOI and SOS devices is also carried out to transfer the knowledge acquired from them …
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Modeling microdefects formation in crystalline silicon : the roles of point defects and oxygen
… microelectronic devices are fabricated on single crystalline silicon substrates that are grown from the melt by the Czochralski crystal growth method. There is an ever increasing demand for control of size and density of microdefects in the silicon for control of quality and uniformity of the …
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Harvesting photon energy : ultra-thin crystalline silicon solar cell & near-field thermoradiative cells
… technologies, photovoltaic solar cells based on crystalline silicon thin films and thermal-radiative cells using terrestrial heat sources, focusing on managing photons but also concurrently considering electron transport and entropy generation. Photovoltaic technology has been widely adopted to …
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Atmospheric Pressure Chemical Vapor Deposition of Functional Oxide Materials for Crystalline Silicon Solar Cells
… enable efficiency gains and cost reductions in crystalline silicon (c-Si) solar cells. In this work, the deposition of functional oxide materials using atmospheric pressure chemical vapor deposition (APCVD) and the integration of these materials into c-Si solar cells are explored. Specifically, …
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Metal impurities in n-type crystalline silicon for photovoltaics : simulation, synchrotron-based characterization, and mitigation
Crystalline silicon is the dominant technology in the rapidly-growing photovoltaics (PV) industry, but significant cost reduction is still required before widespread grid parity is achieved. One-quarter of the cost of a PV module is the Si wafer. One way to reduce the cost/kWh of PV is to identify …
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The role of surface and bulk perfection in the processing and performance of crystalline silicon
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1994.
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