Enviaments recents

  • A prototype reactor for highly selective solar-driven CO2 reduction to synthesis gas using nanosized earth-abundant catalysts and silicon photovoltaics 

    Urbain, Félix; Tang, Pengyi; Carretero González, Nina Magali; Andreu, Teresa; Gerling Sarabia, Luis Guillermo; Voz Sánchez, Cristóbal; Arbiol Cobos, Jordi; Morante Lleonart, Joan Ramon (2017-10)
    Article
    Accés restringit per política de l'editorial
    The 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 ...
  • Analysis of temperature dependent current-voltage and capacitance-voltage characteristics of an Au/V2O5/ n -Si Schottky diode 

    Mahato, Somnath; Biswas, Debaleen; Gerling Sarabia, Luis Guillermo; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim (2017-08-01)
    Article
    Accés obert
    Electronic properties of Au/V2O5/n-Si Schottky device have been investigated by temperature dependent current-voltage (I-V) and capacitance-voltage (C-V) measurements ranging from 300 K to 150 K. Ideality factor (n) and ...
  • Closed-loop compensation of charge trapping induced by ionizing radiation in MOS capacitors 

    Domínguez Pumar, Manuel; Bheesayagari, Chenna Reddy; Gorreta Mariné, Sergio; Lopez Chavez, G.; Pons Nin, Joan (Institute of Electrical and Electronics Engineers (IEEE), 2017-08-31)
    Article
    Accés obert
    The objective of this work is to explore the capability of a charge trapping control loop to continuously compensate charge induced by ionizing radiation in the dielectric of MOS capacitors. To this effect, two devices ...
  • An enhanced machine learning based approach for failures detection and diagnosis of PV systems 

    Garoudja, Elyes; Chouder, Aissa; Kara, Kamel; Silvestre Bergés, Santiago (2017-09-14)
    Article
    Accés restringit per política de l'editorial
    In this paper, a novel procedure for fault detection and diagnosis in the direct current (DC) side of PV system, based on probabilistic neural network (PNN) classifier, is proposed. The suggested procedure consists of four ...
  • Controlling Plateau-Rayleigh instabilities during the reorganization of silicon macropores in the Silicon Millefeuille process 

    Garin Escriva, Moises; Jin, Chen; Cardador Maza, David; Trifonov, T.; Alcubilla González, Ramón (Macmillan Publishers, 2017-08-03)
    Article
    Accés obert
    The reorganization through high-temperature annealing of closely-packed pore arrays can be exploited to create ultra-thin (<20 µm) monocrystalline silicon layers that can work as cheap and flexible substrates for both the ...
  • Analysis of thin film photovoltaic modules under outdoor long term exposure in semi-arid climate conditions. 

    Tahri, Ali; Silvestre Bergés, Santiago; Tahri, Fatima; Belemna, Soumia; Chouder, Aissa (2017-09-01)
    Article
    Accés restringit per política de l'editorial
    The aim of this paper is to present an analysis of long term outdoor exposure of two thin film photovoltaic (TFPV) module technologies deployed in semi-arid climate in Saida city located in Algeria. The TFPV modules are: ...
  • V2Ox-based hole-selective contacts for c-Si interdigitated back-contacted solar cells 

    Masmitjà Rusiñol, Gerard; Gerling Sarabia, Luis Guillermo; Ortega Villasclaras, Pablo Rafael; Puigdollers i González, Joaquim; Martín García, Isidro; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (Royal Society of Chemistry, 2017-05-21)
    Article
    Accés restringit per política de l'editorial
    Over the last few years, transition metal oxide layers have been proposed as selective contacts both for electrons and holes and successfully applied to silicon solar cells. However, better published results need the use ...
  • Recombination processes in passivated boron-implanted black silicon emitters 

    von Gastrow, Guillaume; Ortega Villasclaras, Pablo Rafael; Alcubilla González, Ramón; Husein, Sebastian; Nietzold, Tara; Bertoni, Mariana; Savin, Hele (American Institute of Physics (AIP), 2017-05-14)
    Article
    Accés restringit per política de l'editorial
    In this paper, we study the recombination mechanisms in ion-implanted black silicon (bSi) emitters and discuss their advantages over diffused emitters. In the case of diffusion, the large bSi surface area increases emitter ...
  • Statistical fault detection in photovoltaic systems 

    Garoudja, Elyes; Harrou, Fouzi; Sun, Ying; Kara, Kamel; Chouder, Aissa; Silvestre Bergés, Santiago (2017-07-01)
    Article
    Accés restringit per política de l'editorial
    Faults in photovoltaic (PV) systems, which can result in energy loss, system shutdown or even serious safety breaches, are often difficult to avoid. Fault detection in such systems is imperative to improve their reliability, ...
  • Influence of amorphous silicon carbide intermediate layer in the back-contact structure of Cu2ZnSnSe4 solar cells 

    Colina Brito, Mónica Alejandra; Martín García, Isidro; Giraldo, Sergio; Sánchez González, Yudania; Kondrotas, Rokas; Oliva, Florian; Izquierdo Roca, Víctor; Pérez Rodríguez, Alejandro; Coll Valentí, Arnau; Alcubilla González, Ramón; Saucedo Silva, Edgardo Ademar (2016-08-01)
    Article
    Accés obert
    Cu2 ZnSn(S1-ySey )4 (CZTS) thin-film solar cells have been qualified as potential competitors of the more established CIGS ones. One of the more important handicaps of CZTS solar cells is the open-circuit voltage deficit. ...
  • Superior performance of V2O5 as hole selective contact over other transition metal oxides in silicon heterojunction solar cells 

    Almora, Osbel; Gerling Sarabia, Luis Guillermo; Voz Sánchez, Cristóbal; Alcubilla González, Ramón; Puigdollers i González, Joaquim; Garcia-Belmonte, Germà (2017-08-01)
    Article
    Accés restringit per política de l'editorial
    Transition metal oxides (TMOs) have recently been proved to efficiently serve as hole-selective contacts in crystalline silicon (c-Si) heterojunction solar cells. In the present work, two TMO/c-Si heterojunctions are ...
  • Thermal emission of macroporous silicon chirped photonic crystals 

    Garin Escriva, Moises; Todorov Trifonov, Trifon; Hernández García, David; Rodríguez Martínez, Ángel; Alcubilla González, Ramón (2010-09-15)
    Article
    Accés obert

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