Exploració per tema "Silici"
Ara es mostren els items 1-20 de 70
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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 ... -
Advanced control platform for electric motor characterization: comparison of wide bandgap semiconductors in field-oriented control motor application
(Universitat Politècnica de Catalunya, 2023-01-27)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorWith the growing development and broadening use of semiconductors, it is important to note their differences, advantages and disadvantages. Silicon Carbide (SiC) and Gallium Nitride (GaN) in particular, are two types with ... -
Annealing effects on the conduction mechanisms of p+-amorphous- Si0.8C0.2:H/n-crystalline-Si diodes
(American Institute of Physics, 2003-08-15)
Article
Accés restringit per política de l'editorialP1-type hydrogenated amorphous silicon–carbon (a-Si12xCx :H) on n-type crystalline silicon (c-Si) heterojunction diodes were fabricated and characterized electrically. The effects of thermal annealing on the electrical ... -
Carrier selective contact characterization using work function bender buffer layers
(Universitat Politècnica de Catalunya, 2022-06)
Treball Final de Grau
Accés obert2D materials emerge with a promising future for optoelectronics. First reported in 2011, MXenes have excellent properties such as metallic-like conductivity and high transmittance, thus, they can be used as transparent ... -
Colloidal crystal wires
(2008-06-18)
Article
Accés restringit per política de l'editorialSeveral configurations of colloidal wires are obtained by infiltration of charge-stabilized polystyrene spheres into cylindrical pores of a silicon membrane (see figure). As channel dimensions are comparable to those of ... -
CVD graphene-FET based cascode circuits: a design exploration and fabrication towards intrinsic gain enhancement
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents the design exploration of a basic cascode circuit (CAS) targeted to increase the intrinsic gain A# of a graphene field-effect-transistor (GFET) by decreasing its output conductance go. First, the ... -
Depósito y caracterización de capas de Teflón sobre Silicio para la realización de dispositivos EWOD
(Universitat Politècnica de Catalunya, 2011-06-14)
Projecte/Treball Final de Carrera
Accés obertCatalà: Estudi de diferents mètodes de dipòsit de tefló i el seu efecte sobre la funcionabilitat final d'un sistema basat en la tecnologia EWOD -
Design of a phase locked loop for optical upconversion
(Universitat Politècnica de Catalunya, 2018-05)
Projecte Final de Màster Oficial
Accés obertSilicon Photonics has become a key technology in the design of devices for the next generation of wireless communications. One of the most important challenges of 5G is the transport of microwave signals over fiber links, ... -
Development and characterization of hybrid membranes based on an organic matrix modified with silanes for metal separation
(2007-02-15)
Article
Accés restringit per política de l'editorialNew hybrid membranes for metal ion transport were synthesized with the aim of improving mechanical and chemical stabilities, mean lifetime and loss of carrier. Hybrid organic–inorganic materials present several advantages ... -
Development of thin films deposited by ALD for c-Si solar cells
(Universitat Politècnica de Catalunya, 2017-01)
Treball Final de Grau
Accés obertIn this work, we have developed thin layers deposited by Atomic Layer Deposition (ALD) technique to be applied in high-efficiency crystalline silicon solar cells. In particular, we selected to study the aluminium oxide ... -
Dielectric metal dielectric antireflection plasmonic layers
(Universitat Politècnica de Catalunya, 2017-06)
Treball Final de Grau
Accés obertDielectric/Metal/Dielectric structures using Transition Metal Oxides (TMOs) as a dielectric layer and very thin-film layers of metal will be fabricated and their opto-electrical properties evaluated. In particular, ... -
Disseny i muntatge d'un convertidor d'alta eficiencia
(Universitat Politècnica de Catalunya, 2016-04-20)
Projecte Final de Màster Oficial
Accés obertL’objectiu d’aquest projecte és crear un prototip d’un convertidor trifàsic de dos nivells amb la tecnologia de carbur de silici (SiC). Dins l’objectiu de crear un convertidor trifàsic, hi ha diferents fites que hem ... -
Effect of amorphous silicon carbide layer thickness on the passivation quality of crystalline silicon surface
(American Institute of Physics, 2005-11-09)
Article
Accés restringit per política de l'editorialSurface passivation of p-type crystalline silicon wafers by means of phosphorus-doped hydrogenated amorphous silicon carbide films [a-SiCx(n):H] has been investigated. Particularly, we focused on the effects of layer ... -
Effect of liquid aluminium alloy and ultrasound to corrosion resistance of PVD coating
(Universitat Politècnica de Catalunya, 2017-01)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autor
Realitzat a/amb: Università degli Studi di BresciaThe aim of the project is resolve the corrosion problems of a steel bar, coating them and study if the coating affects the vibration needed to delate the dendrites of the aluminium alloy due to obtain a globular structure. ... -
Estudi comparatiu de l'efecte de l'acid monosilísic i el silicat de potassi en el cultiu d'arròs
(Universitat Politècnica de Catalunya, 2021-07-15)
Treball Final de Grau
Accés obertObjective: To compare the effect of the application of a solution based on monosilicic acid and one based on potassium silicate in rice cultivation. Methodology: A plot was selected for rice production (var. Bomba) and ... -
Estudi i fabricació de cristalls fotònics basats en silici macroporós
(Universitat Politècnica de Catalunya, 2014-09-15)
Projecte/Treball Final de Carrera
Accés restringit per acord de confidencialitat -
Estudio de técnicas de metalización para la fabricación de células solares
(Universitat Politècnica de Catalunya, 2016-06)
Treball Final de Grau
Accés obertThis work is part of two large projects carried out by two researchers from the Polytechnic University of Catalonia, which aim to manufacture Interdigitated Back-Contact silicon solar cells (IBCs) using processes at low ... -
Estudio reológico de diferentes rutas de formación de geles y sus condiciones
(Universitat Politècnica de Catalunya, 2024-02-01)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitat
Realitzat a/amb: ZOBELE ESPAÑAAquest projecte té com a objectiu realitzar un estudi reològic dels gels formats amb sílice pirògena, especialment en el context d'aplicacions de difusió de substàncies volàtils. S'han examinat diverses formulacions amb ... -
Fabricacion y caracterizacion de guias opticas integradas sobre sustratos de silicio
(1991)
Text en actes de congrés
Accés obertSilicon nitride (Si 3 N4 ) planar optical waveguides have been successfully grown by lowpressure chemical vapor deposition (LPCVD). Silicon p-type wafers with a (100) orientation were used as substrates, and the Si3 N4 was ... -
Fabricación de dispositivos fotónicos integrados
(Universitat Politècnica de Catalunya, 2017-10)
Treball Final de Grau
Accés obertThe project consists of the design and manufacture of photonic crystals based on macroporous silicon. By means of a lithography we can engrave a pattern on the substrate of the silicon wafers in which we will mark the place ...