Exploració per autor "Martorell Pena, Jordi"
Ara es mostren els items 23-42 de 45
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Light coupling into the Whispering Gallery Modes of a fiber array thin film solar cell for fixed partial Sun tracking
Mariano, Marina; Rodriguez, Francisco J.; Romero Gómez, Pablo; Kozyreff, Gregory; Martorell Pena, Jordi (MACMILLAN PUBLISHERS LIMITED, 2014-05-14)
Article
Accés obertWe propose the use of whispering gallery mode coupling in a novel configuration based on implementing a thin film cell on the backside of an array of parallel fibers. We performed numerical calculations using the parameters ... -
Light harvesting at oblique incidence decoupled from transmission in organic solar cells exhibiting 9.8% efficiency and 50% visible light transparency
Liu, Quan; Gerling Sarabia, Luis Guillermo; Bernal Texca, Francisco Gumaro; Toudert, Johann; Li, Tengfei; Zhan, Xiaowei; Martorell Pena, Jordi (2020-01-01)
Article
Accés obertFor many years, it has been recognized that potential organic photovoltaic cells must be integrated into elements requiring high transparency. In most of such elements, sunlight is likely to be incident at large angles. ... -
Measurement of the dispersion of air and of refractive index anomalies by wavelength- dependent nonlinear interferometry
Macovez, Roberto; Mariano, Marina; Di Finizio, Sergio; Martorell Pena, Jordi (2009-07-27)
Article
Accés obertWe carry out wavelength-dependent second harmonic interference experiments using thin films of an organic dye as nonlinear optical sources. While the measured difference of refractive index between the fundamental and ... -
Molecular conformation in organic films from quantum chemistry ab initio calculations and second harmonic spectroscopy
Macovez, Roberto; López, Núria; Mariano, Marina; Maymó Camós, Marc; Martorell Pena, Jordi (2012-11-30)
Article
Accés restringit per política de l'editorialIdentifying molecular species and conformations at surfaces is of interest for both catalytic and biointerfacial research. Here, we present an extinction and second harmonic spectroscopy study of films of crystal violet ... -
Molecular ¿(2) gratings via electron-beam lithography
Domínguez Juárez, Jorge Luis; Macovez, Roberto; Gonzalez, M.U.; Martorell Pena, Jordi (2010-07)
Article
Accés restringit per política de l'editorialWe show that the nonlinear optical activity of an organic molecule may be quenched by electron irradiation. Exploiting this effect, we inscribe periodic χ(2) patterns in the molecular films by means of a scanning electron ... -
Monitoring degradation mechanisms in PTB7:PC71BM photovoltaic cells by means of impedance spectroscopy
Arredondo, Belen; Martin Lopez, Maria B.; Romero, Beatriz; Vergaz, Ricardo; Romero Gómez, Pablo; Martorell Pena, Jordi (2015-10-23)
Article
Accés obertWe have used impedance spectroscopy technique to monitor degradation mechanisms in organic solar cells based on a blend of PTB7:PC71BM. We have measured the impedance of the cell on a periodical basis for almost four months, ... -
Monolithic CIGS-Perovskite tandem cell for optimal light harvesting without current matching
Mantilla Perez, Paola; Correa Baena, Juan Pablo; Liu, Quan; Colodrero, Silvia; Toudert, Johann; Saliba, Michale; Hagfeldt, Anders; Martorell Pena, Jordi (2017-03-22)
Article
Accés obertWe present a novel monolithic architecture for optimal light harvesting in multijunction thin film solar cells. In the configuration we consider, formed by a perovskite (PVK) cell overlying a CIGS cell, the current extracted ... -
Nanoparticle assisted mechanical delamination for freestanding high performance organic devices
Colodrero, Silvia; Romero Gómez, Pablo; Mantilla Perez, Paola; Martorell Pena, Jordi (2017-01-12)
Article
Accés obertOrganic electronics has the potential to be incorporated in any kind of surface morphology for wearable or fully portable applications. Unfortunately when organic devices, such as solar cells, are fabricated on flexible ... -
Neutral water splitting catalysis with a high FF triple junction polymer cell
Elias Pera, Xavier; Liu, Quan; Gimbert-Surinach, Carolina; Matheu, Roc; Mantilla Perez, Paola; Martinez Otero, Alberto; Martorell Pena, Jordi (2016-04-15)
Article
Accés obertWe report a photovoltaics-electrochemical (PV-EC) assembly based on a compact and easily processable triple homojunction polymer cell with high fill factor (76%), optimized conversion efficiencies up to 8.7%, and enough ... -
New approaches for the fabrication of photonic structures of nonlinear optical materials
Carvajal, J J; Peña, A; Kumar, R.; Pujol, M. C.; Mateos, X.; Aguiló Díaz, Magdalena; Díaz, F; Vázquez De Aldana, J. R.; Méndez, Carlos Alberto; Moreno, P; Roso, L; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón; Král, Z; Ferré Borrull, J.; Pallarès Marzal, Josep; Marsal, L F; Finizio, Sergio Di; Martorell Pena, Jordi; Macovez, Roberto (2009-12)
Article
Accés restringit per política de l'editorialWe revisited two different strategies to fabricate 1D photonic crystals of nonlinear optical dielectric materials based on ultrafast laser ablation of the surface of an RbTiOPO4 crystal, and selective etching of ferroelectric ... -
Nonlinear Light Generation at the High Energy Range of a 3D Opal Film
Martorell Pena, Jordi; Botey Cumella, Muriel; Maymó Camós, Marc; Molinos-Gómez, Alberto; Dorado, Luís A.; Depine, Ricardo A.; Lozano, Gabriel; Mihi, Agustín; Míguez, Hernán (2009)
Text en actes de congrés
Accés obert -
Observation of azimuthal modulation instability and formation of patterns of optical solitons in a quadratic nonlinear crystal
Petrov, Dimitri; Torner Sabata, Lluís; Martorell Pena, Jordi; Vilaseca Alavedra, Ramon; Pérez Torres, Juan; Cojocaru, Crina (1998-09)
Article
Accés restringit per política de l'editorialWe report what is believed to be the first experimental demonstration of the azimuthal self-breaking of intense beams containing a vortex phase dislocation into sets of optical spatial solitons in a quadratic nonlinear ... -
Photocurrent-detected 2D electronic spectroscopy reveals ultrafast hole transfer in operating PM6/Y6 organic solar cells
Bolzonello, Luca; Bernal Texca, Francisco Gumaro; Gerling Sarabia, Luis Guillermo; Ockova, Jana; Collini, Elisabetta; Martorell Pena, Jordi; van Hulst, Niek F. (2021-04-29)
Article
Accés obertThe performance of nonfullerene-acceptor-(NFA)-based organic solar cells is rapidly approaching the efficiency of inorganic cells. The chemical versatility of NFAs extends the light-harvesting range to the infrared, while ... -
Pràctiques de l'assignatura
Botey Cumella, Muriel; Martorell Pena, Jordi; Belana Punseti, Juan; Carloa Cañadas, Joan; Diego Vives, José Antonio; Font García, Josep Lluís; Martin, Josep; Mudarra López, Miguel; Vilaseca Alavedra, Ramon; Calaf Zayas, Jaume; García Ojalvo, Jordi (Universitat Politècnica de Catalunya, 2000)
Pràctica
Accés obert -
Relation between Fluorescence Quantum Yield and Open-Circuit Voltage in Complete Perovskite Solar Cells
Kramarenko, Mariia; Ferreira, Catarina G.; Martínez-Denegrí Sánchez, Guillermo; Sansierra, Constanza; Toudert, Johann; Martorell Pena, Jordi (Wiley, 2020-04)
Article
Accés obertBringing the Voc of a perovskite solar cell toward its radiative value, corresponding to a 100% external fluorescence quantum yield (QY) of the cell, has been pursued to reach the highest performance photovoltaic devices. ... -
Semi-transparent polymer solar cells
Romero-Gómez, Pablo; Pastorelli, Francesco; Mantilla-Pérez, Paola; Mariano, Marina; Martínez-Otero, Alberto; Elias, Xavier; Betancur, Rafael; Martorell Pena, Jordi (SPIE, 2015-02-16)
Article
Accés obertOver the last three decades, progress in the organic photovoltaic field has resulted in some device features which make organic cells applicable in electricity generation configurations where the standard silicon-based ... -
Semi-transparent polymer solar cells
Romero Gómez, Pablo; Pastorelli, Francesco; Mantilla Perez, Paola; Mariano, Marina; Martinez Otero, Alberto; Elias Pera, Xavier; Betancur Lopera, Rafael; Martorell Pena, Jordi (2015-02-16)
Article
Accés obertOver the last three decades, progress in the organic photovoltaic field has resulted in some device features which make organic cells applicable in electricity generation configurations where the standard silicon-based ... -
Stabilization of the J-V characteristic of a perovskite solar cell using an intelligent control loop
Bheesayagari, Chenna Reddy; Martínez-Denegrí Sánchez, Guillermo; Orpella García, Alberto; Pons Nin, Joan; Bermejo Broto, Sandra; Alcubilla González, Ramón; Martorell Pena, Jordi; Domínguez Pumar, Manuel (2021-01-02)
Article
Accés obertThe phenomena related to charge trapping are among the most relevant open issues that affect the long-term stability of perovskite-based devices. According to this, the objective of this paper is to report experimental ... -
Transparent polymer solar cells employing a layered light-trapping architecture
Betancur, Rafael; Romero Gómez, Pablo; Martinez Otero, Alberto; Elias Pera, Xavier; Maymó Camós, Marc; Martorell Pena, Jordi (2013-10)
Article
Accés restringit per política de l'editorialOrganic solar cells have unique properties that make them very attractive as a renewable energy source. Of particular interest are semi-transparent cells, which have the potential to be integrated into building fac¸ades ... -
Ultrathin oxidized Ti to increase stability and smoothness of Al doped ZnO transparent conductors for high efficiency indium-free polymer solar cells
Formica, Nadia; Ghosh, Dhriti Sundar; Martinez Otero, Alberto; Chen, T. L.; Martorell Pena, Jordi; Pruneri, Valerio (2013-10-28)
Article
Accés obertWe propose a transparent electrode consisting of an aluminum doped zinc oxide (AZO) layer capped with an ultrathin oxidized Ti film for indium-free bulk-heterojunction polymer solar cells (PSCs). The oxidized Ti increases ...