Browsing by Subject "Solar cells"
Now showing items 1-20 of 241
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2D/3D Simulations of black-silicon interdigitated back-contacted c-si(n) solar cells
(WIP Renewable Energies, 2016)
Conference lecture
Open AccessBlack 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)
Conference report
Restricted access - publisher's policyThe 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
Open AccessInterdigitated 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)
Conference report
Restricted access - publisher's policyThis 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
Open AccessA 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)
Conference lecture
Restricted access - publisher's policyBack 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
Open AccessThis 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
Open AccessThe 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
Open AccessSmall-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)
Master thesis
Open AccessThe 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
Open AccessAn 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 ... -
All-Nanoparticle SnO 2 /TiO 2 Electron-Transporting Layers Processed at Low Temperature for Efficient Thin-Film Perovskite Solar Cells
(2018-10-22)
Article
Open AccessSolution-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
Open AccessWe 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
Open AccessWe 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 IBC solar cell for the UPC CubeSat-1 mission
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference report
Restricted access - publisher's policyIn this work the fabrication and electrical characterization of interdigitated back contact IBC solar cells is shown. These solar cells have been specifically designed for a CubeSat based satellite under developement at ... -
An indium tin oxide-free polymer solar cell on flexible glass
(2015-02-05)
Article
Open AccessFuture 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
Restricted access - publisher's policyWe 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)
Master thesis
Open Access -
Analysis of the dynamic short-circuit resistance in organic bulk-heterojunction solar cells: relation to the charge carrier collection efficiency
(2013-06)
Article
Restricted access - publisher's policyThis work studies the charge carrier collection efficiency in organic bulk-heterojunction solar cells based on polymer:fullerene blends. An equivalent circuit with a specific recombination term is proposed to describe the ... -
Anàlisi de les problemàtiques presents en les plaques solars d'una instal·lació fotovoltaica
(Universitat Politècnica de Catalunya, 2019-07-03)
Bachelor thesis
Restricted access - author's decisionEn 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 ...
