Exploració per tema "Cèl·lules solars"
Ara es mostren els items 1-20 de 266
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2D/3D Simulations of black-silicon interdigitated back-contacted c-si(n) solar cells
(WIP Renewable Energies, 2016)
Comunicació de congrés
Accés obertBlack silicon (b-Si) reduces drastically light reflectance in the front side of c-Si solar cells to values near zero for the whole absorbed solar spectrum. In this work, we apply 2D and 3D simulations to explore the ... -
3D simulations of back-contact back-junction c-Si(P) solar cells with doped point contacts
(2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe back-contact back-junction BC-BJ solar cell concept is a promising photovoltaic structure for both laboratory and industrial c-Si solar cells. High efficiency devices based on this concept have been reported in the ... -
3D simulations of interdigitated back-contacted crystalline silicon solar cells on thin substrates
(2018-06-01)
Article
Accés obertInterdigitated back contact technology is a promising candidate to be applied to thin crystalline silicon solar cells because of its simpler one-side interconnection while allowing a more flexible front surface treatment. ... -
3D TCAD modeling of laser processed c-Si solar cells
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents an 3D TCAD model of crystalline Silicon (c-Si) solar cells. Physical parameters used in the model are discussed. Simulation results are compared to experimental current-voltage curves and solar cell ... -
4-terminal tandem photovoltaic cell using two layers of PTB7:PC71BM for optimal light absorption
(2015-08-26)
Article
Accés obertA 4-terminal architecture is proposed in which two thin active layers (<100 nm) of PTB7:PC71BM are deposited on a two-sided ITO covered glass substrate. By modeling the electric field distribution inside the multilayer ... -
A critical analysis on the role of back surface passivation for a-Si/c-Si heterojunction solar cells
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Comunicació de congrés
Accés restringit per política de l'editorialBack surface passivation is a well-known method to reduce carrier recombination and hence improves the efficiency of crystalline silicon solar cells. In this manuscript, we critically analyze the role of this process for ... -
A new MPPT method for low-power solar energy harvesting
(2010-09)
Article
Accés obertThis paper describes a new maximum-power-pointtracking (MPPT) method focused on low-power (< 1 W) photovoltaic (PV) panels. The static and dynamic performance is theoretically analyzed, and design criteria are provided. ... -
A prototype reactor for highly selective solar-driven CO2 reduction to synthesis gas using nanosized earth-abundant catalysts and silicon photovoltaics
(2017-10)
Article
Accés obertThe conversion of carbon dioxide (CO2) into value-added chemicals and fuels, preferably using renewable energy and earth-abundant materials, is considered a key priority for future energy research. In this work, a bias-free ... -
A simple and efficient MPPT method for low-power PV cells
(2014-01-01)
Article
Accés obertSmall-size PV cells have been used to power sensor nodes. These devices present limited computing resources and so low complexity methods have been used in order to extract the maximum power from the PV cells. Among them, ... -
A study of the degradation of organic solar cells
(Universitat Politècnica de Catalunya / Universitat de Barcelona, 2016-05-20)
Projecte Final de Màster Oficial
Accés obertThe field of small molecule solar cells has incredibly developed during the last decade. In fact, their efficiency increased from 3% in 2005 to 13% in 2016. However, they still face a major problem of stability: these cells ... -
A two-resonance tapping cavity for an optimal light trapping in thin-film solar cells
(2017-09-20)
Article
Accés obertAn optimal photon absorption in thin film photovoltaic technologies can only be reached by effectively trapping the light in the absorber layer provided a considerable portion of the photons is rejected or scattered out ... -
Adjust of solar cell model parameters based in MATLAB
(M. C. Acero, M. Lozano - CNM-CSIC, 2003)
Comunicació de congrés
Accés restringit per política de l'editorialIn this work, a model parameter extractor of solar cells using Matlab is shown. The software, developed in Matlab environment, has been successfully applied to study internal characteristics of photovoltaic devices [1-2], ... -
All-Nanoparticle SnO 2 /TiO 2 Electron-Transporting Layers Processed at Low Temperature for Efficient Thin-Film Perovskite Solar Cells
(2018-10-22)
Article
Accés obertSolution-processed metal halide perovskite materials haverevealed outstanding optoelectronic features that make them uniquely suitedfor photovoltaic applications. Although a rapidprogresshasledtoperformances similar to ... -
An extremely thin and robust interconnecting layer providing 76% fill factor in a tandem polymer solar cell architecture
(Royal Society of Chemistry, 2015-04-17)
Article
Accés obertWe report a thin and robust interconnecting layer (ICL) for polymer tandem solar cells. This ICL shows low absorption, good electrical contacts, large work function contrast and robustness. Its use yields tandem cells with ... -
An extremely thin and robust interconnecting layer providing 76% fill factor in a tandem polymer solar cell architecture
(Royal Society of Chemistry, 2015-04-17)
Article
Accés obertWe report a thin and robust interconnecting layer (ICL) for polymer tandem solar cells. This ICL shows low absorption, good electrical contacts, large work function contrast and robustness. Its use yields tandem cells with ... -
An Indium Tin Oxide-Free Polymer Solar Cell on Flexible Glass
(2015-02-05)
Article
Accés obert: Future optoelectronic devices and their low-cost roll-to-roll production require mechanically flexible transparent electrodes (TEs) and substrate materials. Indium tin oxide (ITO) is the most widely used TE because of ... -
An indium tin oxide-free polymer solar cell on flexible glass
(2015-02-05)
Article
Accés obertFuture optoelectronic devices and their low-cost roll-to-roll production require mechanically flexible transparent electrodes (TEs) and substrate materials. Indium tin oxide (ITO) is the most widely used TE because of its ... -
Analysis of conduction mechanisms in annealed n-Si1-xCx:H/p-crystalline Si heterojunction diodes for different doping concentrations
(American Institute of Physics (AIP), 1999-01)
Article
Accés restringit per política de l'editorialWe fabricated and characterized annealed n-type amorphous Si1-xCx on p-type crystalline silicon heterojunction diodes with three different base doping concentrations: NA~1016,¿1018, and 1020¿cm-3. The conduction mechanisms ... -
Analysis of degradation and evolution of model parameters of a-Si/μ-Si PV modules
(Universitat Politècnica de Catalunya / Universitat de Barcelona, 2016-01)
Projecte Final de Màster Oficial
Accés obert -
Anàlisi de les problemàtiques presents en les plaques solars d'una instal·lació fotovoltaica
(Universitat Politècnica de Catalunya, 2019-07-03)
Treball Final de Grau
Accés restringit per decisió de l'autorEn aquest treball de fi de grau s’ha realitzat una anàlisi de les problemàtiques més importants que pot presentar una placa solar en una instal·lació fotovoltaica des d’una base teòrica, investigant quin és el nivell ...
