Silicon solar cells
Development and analysis of silicon solar cells with laser-fired contacts and silicon nitride laser ablation
... After years of this demand led market induced by strong government subsidies and incentives, the PV sector started to experience a significant increase in competition, caused by mainly two reasons. First, many ...
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Texturing of the Silicon Substrate with Nanopores and Si Nanowires for Anti-reflecting Surfaces of Solar Cells
... of solar cells by texturing the surface of the silicon by electrochemical ...for silicon solar cells made by electrochemical etching are ...using silicon nanowires and ...
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Broadband photocurrent enhancement in a-Si:H solar cells with plasmonic back reflectors
... film silicon solar cells is a promising route to achieve high efficiency with reduced volumes of semiconductor ...a-Si:H solar cells due to the light scattering effects of plasmonic ...
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J. Aerosp. Technol. Manag. vol.8 número4
... the solar cells; those selected for this design were Sun power C-60 ...power cells were more eicient than most silicon-based ...typical silicon solar cells with eiciencies ...
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Filtration of aluminum alloys and its influence on mechanical properties and shape of eutectical silicium
... It was evidenced by the accomplished experiment, that using ceramic elements during casting has influence on the morphology of eutectic silicon and so on final elongation. In most cases come to improvement of ...
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Bruno João Baptista Fernandes
... Hydrogenated amorphous silicon has the added variability of a hydrogen content which can reach 50 at%. Most features of the a-Si:H network are defined at the time of growth and therefore depend on the details of ...
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Complexo Zinco-produto natural: desenvolvimento e aplicação como fotossensibilizador para célula solar / Zinc-natural product complex: development and application as a photosensitizer for solar cells
... que a célula solar sensibilizada por corante (CSSC) pode alcançar os avanços tecnológicos necessários e tornar-se comercial e sustentavelmente competitiva. (O’REGAN; GRÄTZEL, 1991; GRÄTZEL, 2006; XU et al., 2014; ...
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Influence of Degradation on the Charge Transport and Recombination Dynamics of Organic Solar Cells
... Organic Solar Cell Char- ...Organic Solar Cell Characteristics), as isolated carriers cannot be extracted, and the probability for electrons and holes to meet increases ...tandem solar cell (Figure ...
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2D Optimization of Thin PerovskiteSilicon Four- Terminal Tandem Solar Cells
... SHJ cells , can be cheaper and show enhanced electrical properties – as lower bulk recombination – and even reduced light induced Staebler Wronski degradation [81], ...
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Recombination Study of Dye Sensitized Solar Cells with Natural Extracts
... the cells tested shows that the plum dye can generate devices with less charge transfer resistance because of a lower impedance value, which facilitates the passage of current and consequently improves the ...
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Investigation of Solar Cells Power Degradation Due to Electrostatic Discharge
... to solar arrays were obtained in testing where the bias power supply, intended to impress a potential difference between an array and its coverslides, was not sufficiently isolated from the sample when arcs ...
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Self-cleaned Solar Cells with Super-Hydrophobic Photonic Nano-structures
... Self-cleaned Solar Cells with Super-Hydrophobic Photonic Nano-structures 23 Figure 3.5.3a presents information, not only regarding the surface CA, but also correlates with the roll-off angle, thus the ...
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Development of Dye-Sensitized Solar Cells with Sputtered N-Doped TiO2 Thin Films: From Modeling the Growth Mechanism of the Films to Fabrication of the Solar Cells
... of solar irradiation each free electron injected in the conduction band of the ilm generates one positive hole in the valance band, thus creating an electron acceptor state and compensating the total charge ...and ...
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Addressing sealing and counter-electrode challenges of dye solar cells towards industrialization
... The development of clean alternatives for the production of energy has suffered exponential growth during the recent years, positioning themselves as key technologies for the incoming future [1]. This development was ...
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SOIL-APPLIED SILICON DECREASES SEVERITY OF WHEAT SPOT BLOTCH ON SILICON-DEFICIENT SOILS
... In crops such as grapes and cucumber, the severity of some diseases was reduced by foliar silicon application, as well as by Si application to the soil (Menzies et al., 1992; Bowen et al., 1992). These authors ...
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Perspective Method of Betavoltaic Converter Creation
... The problems of effective conversion of beta-electron energy into an electric potential and creation of long- life power source could be solved with p-n semi- conductor conversion structure, irradiated with Ni-63 isotope ...
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Dissertação para obtenção do Grau de Mestre em Mestrado de Energias Renováveis - Conservação e Utilização Sustentáveis Orientador: Doutor João Murta Pina, Professor Auxiliar, FCTUNL Co-orientador: Doutor João Francisco Alves Martins, Professor Auxiliar, F
... O retorno do investimentos em sistemas solar térmicos tem por base o valor cumulativo da redução das despesas com o aquecimento, neste caso, de águas quentes sanitárias. Assim realizando uma projecção para o tempo ...
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Application of polyoxometalate-ionic liquids (POM-ILs) in dye-sensitized solar cells (DSSCs)
... Dye-sensitized solar cells (DSSCs) and this field has been explored in the last decade ...Dye-sensitized solar cells developed by Grätzel and O’Regan are photovoltaic devices that use a ...
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J. Braz. Chem. Soc. vol.26 número1
... The absorption spectra of dye solutions were recorded using GENESYS 2PC UV-Vis spectrophotometer. The photoelectrochemical measurements of the cell were performed using a computer controlled CHI630A electrochemical ...
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SILICATE FERTILIZATION OF TROPICAL SOILS: SILICON AVAILABILITY AND RECOVERY INDEX OF SUGARCANE
... regarding silicon fertilization of sugarcane, especially in ratoon crops, the objectives of this study were to evaluate silicon availability, uptake and recovery index of Si from the applied silicate in ...
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