Recent Submissions

  • Understanding noise-shaping in sigma-delta controls of surface potential for MOX gas sensors 

    Domínguez Pumar, Manuel; Kowalski, Lukasz; Monge Villora, Oscar; Olm Miras, Josep Maria; Navarrete Gatell, Eric; Llobet Valero, Eduard; Pons Nin, Joan (Institute of Electronics, Information and Communications Engineers (IEICE), 2018)
    Conference report
    Restricted access - publisher's policy
    The objective of this paper is to explain how quantization noise-shaping can be achieved for the output bitstream of sigma-delta controls of surface potential (SP) in MOX gas sensors. These controllers use temperature ...
  • Exploring the performance of a miniature 3D wind sensor under extreme martian winds up to the dust devil scale 

    Domínguez Pumar, Manuel; Kowalski, Lukasz; Jiménez Serres, Vicente; Rodríguez Pérez, Ivette María; Soria Guerrero, Manel (2019)
    Conference report
    Open Access
    The objective of this paper is to explore the performance of a miniature 3D spherical wind sensor for Mars atmosphere, working under extreme wind speeds, up to the Dust Devil scale. The experimental campaign has been made ...
  • Testing campaign of a martian spherical wind sensor at the AWTSII Wind Tunnel Facility 

    Kowalski, Lukasz; Gorreta Mariné, Sergio; Atienza García, María Teresa; Jiménez Serres, Vicente; Castañer Muñoz, Luis María; Domínguez Pumar, Manuel (2018)
    Conference report
    Open Access
  • Effect of permanent dipole layers in the electrical characteristics of electronic devices and solar cells 

    Ros Costals, Eloi; Pusay Villarroel, Benjamín Andrés; Almache Hernández, Rosa Estefanía; Ortega Villasclaras, Pablo Rafael; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim (2019)
    Conference lecture
    Open Access
  • Macroporous silicon for high-capacitance devices using metal electrodes 

    Vega Bru, Didac; Reina Marsinyach, Jordi; Zapata Rodríguez, Mireya; Pavón Urbano, Ramón; Rodríguez Martínez, Ángel (Universitat de València, 2014)
    Conference lecture
    Open Access
  • Study of PV systems for self-consumption at the UPC 

    Silvestre Bergés, Santiago; Fontanilles, Daniel (WIP Wirtschaft und Infrastruktur GmbH & Co. Planungs-KG, 2019)
    Conference lecture
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    The goal of this work was to develop a sustainability study in five campuses of the Universitat Politècnica de Catalunya (UPC) around Catalunya, i.e. Campus Nord and Campus Sud in Barcelona city, Campus Baix Llobregat, ...
  • Origin of the negative differential resistance in the output characteristics of a picene-based thin-film transistor 

    Ros, Eloi; Puigdollers i González, Joaquim; Ortega Villasclaras, Pablo Rafael; Voz Sánchez, Cristóbal (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Conference report
    Open Access
    In this work, we have fabricated and studied p-type picene thin-film transistors. Although the devices exhibited good electrical performance with high field-effect mobility (up to 1.3 cm2/V¿s) and on/off ratios above ...
  • Electron selective contacts based on Al2O3/TiO2/ZnO stacks for crystalline silicon solar cells 

    Zafoschnig, Lisa; Ortega Villasclaras, Pablo Rafael; Martín García, Isidro; Masmitjà Rusiñol, Gerard; López Rodríguez, Gema; Alcubilla González, Ramón (2018)
    Conference lecture
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    In the last years, our research group has focused on the development of Interdigitated Back Contacted (IBC) solar cells based on transition metal oxides. In particular, a very thin Al2O3/TiO2 stack deposited by ALD has ...
  • Single-crystalline metal oxide, resistive gas sensors advances and perspectives 

    Llobet Valero, Eduard; Navarrete, eric; Annanouch, F.E.; Alvarado, M.; Gonzalez, E.; Ramirez, J.L.; Romero, A.; Vilanova, Xavier; Domínguez Pumar, Manuel; Vallejos, S.; Gracia, Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
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    Here we review recent results on the synthesis of single-crystalline metal oxide nanomaterials and their integration in resistive gas sensing devices. Emphasis is put on the integration of such nanomaterials in a wide ...
  • Simulation study of tandems of perovskite and IBC c-Si solar cells 

    Silvestre Bergés, Santiago; Mas-Marza, Elena; Puigdollers i González, Joaquim; Fabregat Fillet, Jaume; Ortega Villasclaras, Pablo Rafael; Serra, Danielle (WIP Renewable Energies, 2018)
    Conference report
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    In this work, the simulation results obtained for a tandem configuration of perovskite, as top cell, and Interdigitated Back-Contacted (IBC) c-Si as bottom cell are presented. Two different models were used for the modelling ...
  • On the effects of free-stream turbulence intensity in the fluid flow and heat transfer from a sphere at subcritical Reynolds numbers 

    Rodríguez Pérez, Ivette María; Lehmkuhl, Oriol; Soria Guerrero, Manel; Gomez, Samuel; Domínguez Pumar, Manuel; Kowalski, Lukasz (2018)
    Conference lecture
    Restricted access - publisher's policy
    In this work, the effect of the free-stream turbu-lence on the heat transfer and the near wake behind a sphere is studied at moderate Reynolds numbers of ¿¿ ¿ ¿¿¿¿ and ¿¿ ¿ ¿¿¿. Turbulence delays the sep-aration of the ...
  • Delfos, un recurs interactiu per l'estudi de dispositius electrònics 

    Calderer Cardona, Josep; Prat Viñas, Lluís; Jiménez Serres, Vicente; Pons Nin, Joan (Universitat de Barcelona. Edicions i Publicacions, 2006)
    Conference report
    Open Access
    Es presenta un programa interactiu per a un curs bàsic de dispositius semiconductors suportat per ordinador personal. Els destinataris primers són els alumnes de la titulació de segon cicle en Enginyeria Electrònica de la ...

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