Now showing items 1-10 of 10

    • Bio-ethanol steam reforming and autothermal reforming in 3- m channels coated with RhPd/CeO2 for hydrogen generation 

      Divins, N.J.; López, Eduardo; Rodríguez Martínez, Ángel; Vega, Didac; Llorca Piqué, Jordi (2013-02)
      Article
      Restricted access - publisher's policy
      A silicon micromonolith of 7 mm diameter and 0.2 mm length containing 1.5 million regular channels with a diameter of 3.3 μm was used for obtaining hydrogen through ethanol or bio-ethanol steam reforming (ESR) and oxidative ...
    • Carbon Dioxide optical detection by macroporous silicon 

      Vega, Didac; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel (2014)
      Conference report
      Restricted access - publisher's policy
    • Compact device for CO2 optical sensign using macroporous silicon photonic crystals 

      Vega, Didac; Rodríguez Martínez, Ángel; Calavia, Raül; Vilanova, Xavier; Todorov Trifonov, Trifon (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      A photonic crystal based on a macroporous silicon structure has been fabricated and successfully used for the detection of carbon dioxide. In this paper, the device and the measurement results are presented. The sensing ...
    • High-density capacitor devices based on macroporous silicon and metal electroplating 

      Vega, Didac; Reina Marsinyach, Jordi; Pavón Urbano, Ramón; Rodríguez Martínez, Ángel (2014-01)
      Article
      Restricted access - publisher's policy
      This paper presents a novel technique for the fabrication of ultrahigh capacitance structures based on macroporous silicon. Electrochemical etching is used to create a 3-D template in silicon. These structures reach high ...
    • Macroporous silicon FET transistors for power applications 

      Vega, Didac; Najar, R.; Pina, Maria; Rodríguez Martínez, Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      In this paper we propose the use of macroporous silicon for microelectronic devices. We propose and study four different FET transistor structures using macroporous silicon as base material. Macroporous silicon is a ...
    • Macroporous silicon for spectroscopic CO2 detection 

      Vega, Didac; Marti Alcaire, Ferran; Rodríguez Martínez, Ángel; Todorov Trifonov, Trifon (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      A carbon dioxide sensor based on a photonic crystal of macroporous silicon and measurements of its response are presented in this paper. Photonic crystals have opened new ways for the miniaturization of optical detector ...
    • Macroporous silicon microreactor for the preferential oxidation of CO 

      Divins, N.J.; López, E.; Llorca, J.; Vega, Didac; Rodríguez Martínez, Ángel; González de Rivera, F.; Angurell, I.; Seco, M.; Rossell, O. (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      A macroporous silicon micromonolith containing ca. 40,000 regular channels of 3.3 μm in diameter per square millimeter has been successfully functionalized with an Au/TiO2 catalyst for CO preferential oxidation (CO-PrOx) ...
    • Macroporous silicon microreactor for the preferential oxidation of CO 

      Jiménez Divins, Nuria; López, E.; Llorca Piqué, Jordi; Vega, Didac; Rodríguez, A.; Gonzàlez de Rivera, Ferran; Angurell Purroy, Inmaculada; Seco García, Miquel Angel; Rossell Alfonso, Josep Oriol (IEEEXPLORE, 2013)
      Article
      Restricted access - publisher's policy
      A macroporous silicon micromonolith containing ca. 40,000 regular channels of 3.3 ¿m in diameter per square millimeter has been successfully functionalized with an Au/TiO2 catalyst for CO preferential oxidation (CO-PrOx) ...
    • Macroporous silicon photonic crystals for gas sensing 

      Vega, Didac; Reina, Jordi; Rodríguez Martínez, Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      In this paper we study a compact gas sensor based on a photonic crystal built from macroporous silicon. Its sensing mechanism is based in the absorption of infrared light by a gas. Photonic crystals are structured materials ...
    • Variation of the defect central frequency due to morphological changes in macroporoues silicon photonic crystals 

      Cardador Maza, David; Vega, Didac; Rodríguez Martínez, Ángel (2015)
      Conference lecture
      Restricted access - publisher's policy