Ara es mostren els items 21-40 de 67

  • Electrical transport and impedance analysis of Au/porous silicon thin films 

    Fonthal, Faruk; Goyes, C; Rodríguez Martínez, Ángel (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
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    In order to obtain electronic devices based on PS/p-Si structure, we present a study the AC conductivity and Thermo-electrical behavior of Porous Silicon (PS) layers prepared by electrochemical etching in p-type ...
  • Emissive properties of SiO2 thin films through photonic windows 

    Hernández García, David; Garin Escriva, Moises; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón (2012-02)
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    Accés obert
  • Fabrication of flexible interdigitated µ-electrodes (FIDµEs) for the development of a conductimetric immunosensor for atrazine detection based on antibodies labelled with gold nanoparticles 

    Valera Cano, Enrique Andrés; Muñiz, David; Rodríguez Martínez, Ángel (2010)
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    Accés restringit per política de l'editorial
    The present paper describes a simple and low-cost method for the fabrication of mechanically flexible interdigitated μ-electrodes (FIDμEs) and its application as immunosensor. FIDμEs consist of two coplanar non-passivated ...
  • Fabrication of silicon oxide microneedles from macroporous silicon 

    Rodríguez Martínez, Ángel; Molinero, D; Valera Cano, Enrique Andrés; Todorov Trifonov, Trifon; Marsal, L F; Pallarès Marzal, Josep; Alcubilla González, Ramón (2005-04)
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    Accés restringit per política de l'editorial
    This paper presents a novel technique for silicon dioxide (SiO2) microneedle fabrication. Microneedles are hollow microcapillaries with tip diameters in the range of micrometers. They can be used in the fabrication of ...
  • Fabrication of two- and three-dimensional photonic crystals by electrochemical etching of silicon 

    Todorov Trifonov, Trifon; Marsal, L F; Rodríguez Martínez, Ángel; Pallarès Marzal, Josep; Alcubilla González, Ramón (2005-05)
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    Accés restringit per política de l'editorial
    This paper reports on the fabrication of two-dimensional macropore arrays by electrochemical etching of silicon. We describe some critical effects accompanying the etching process that can generate imperfections in the ...
  • First use of macroporous silicon loaded with catalyst film for a chemical reaction: a microreformer for producing hydrogen from ethanol steam reforming 

    Llorca Piqué, Jordi; Casanovas Grau, Albert; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón (2008-04-25)
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    Accés restringit per política de l'editorial
    Macroporous silicon with millions of parallel microchannels per square centimeter can be used as a micromonolithic support for high-speed catalysis in miniaturized systems, opening a new and exciting field of research and ...
  • High aspect ratio silicon dioxide pillars 

    Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Servera, F; Marsal, L F; Pallarès Marzal, Josep; Alcubilla González, Ramón (2005-06)
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    Accés restringit per política de l'editorial
    This article describes the benefits of including cross-layer information in the scheduling mechanism of a UMTS downlink channel. In particular, the information obtained from the fast power control algorithm is used to ...
  • High-density capacitor devices based on macroporous silicon and metal electroplating 

    Vega, Didac; Reina Marsinyach, Jordi; Pavón Urbano, Ramón; Rodríguez Martínez, Ángel (2014-01)
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    Accés restringit per política de l'editorial
    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 ...
  • Immunosensor impedimetrico para la detección de pesticidas 

    Valera Cano, Enrique Andrés; Ramón-Azcón, Javier; Sánchez Baeza, Francisco J.; Marco Colas, María Pilar; Rodríguez Martínez, Ángel (2008)
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    En este trabajo describimos un immunosensor impedimétrico para la detección de pesticidas. Para demostrar dicho sensor hemos utilizado atrazina, como pesticida de test. Este sensor está basado en el uso de μ-electrodos ...
  • Immunosensors based on interdigitated electrodes for the detection and quantification of pesticides in food 

    Valera Cano, Enrique Andrés; Rodríguez Martínez, Ángel (Intech, 2011-12)
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  • Immunosensors: concepts and structures for fast and accurate sensing 

    Rodríguez Martínez, Ángel; Valera Cano, Enrique Andrés (InTech - Open science/Open minds, 2013-05)
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  • Immunosensors for atrazine detection in red wine samples 

    Valera Cano, Enrique Andrés; Rodríguez Martínez, Ángel; Azcón, J.R.; Sánchez Baeza, Francisco J.; Marco Colas, María Pilar (2011)
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    Two novel immunosensors, one impedimetric and other one conductimetric, for atrazine detection in red wine samples have been developed. Impedimetric immunosensor is based on an array of interdigitated μ- electrodes (IDμEs) ...
  • Impact of the absorption in transmittance and reflectance on macroporous silicon photonic crystals 

    Cardador Maza, David; Vega Bru, Didac; Rodríguez Martínez, Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2015)
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    The characteristics of reflection and transmission peaks in the spectra of photonic crystals have been studied theoretically and the results compared to measurements performed in fabricated samples. The aim of this work ...
  • Improved transmission and thermal emission in macroporous silicon photonic crystals with 700 NM pitch 

    Cardador Maza, David; Vega Bru, Didac; Segura García, Daniel; Rodríguez Martínez, Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Comunicació de congrés
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  • Improving selective thermal emission properties of three-dimensional macroporous silicon through porosity tuning 

    Garin Escriva, Moises; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón; Marquier, F.; Arnold, C.; Greffet, J.-J. (American Institute of Physics, 2008-08-27)
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    Accés restringit per política de l'editorial
    We present a theoretical and experimental study on the effect of progressive porosity increase, through multiple oxidation/oxide removal steps, upon the optical characteristics in threedimensional macroporous silicon. ...
  • Infrared thermal emission in macroporous silicon three-dimensional photonic crystals 

    Garin Escriva, Moises; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón (2007-10)
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    Accés obert
    In this paper we investigate the infrared thermal emission properties of macroporous silicon with modulated pore diameter. Samples with different pore modulation periodicities but fixed in-plane lattice constant are ...
  • Infrared thermal emission inmacroporous silicon three-dimensional photonics crystals 

    Garin Escriva, Moises; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón (American Institute of Physics, 2007-07-30)
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    Accés restringit per política de l'editorial
    In this paper we investigate the infrared thermal emission properties of macroporous silicon with modulated pore diameter. Samples with different pore modulation periodicities but fixed in-plane lattice constant are ...
  • Interdigitated μ-electrodes for development of an impedimetric immunosensor for atrazine detection. 

    Valera Cano, Enrique Andrés; Ramón-Azcón, Javier; Sanchez, F. J.; Marco, M.P.; Rodríguez Martínez, Ángel; Castañer Muñoz, Luis María (2009-02)
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    This contribution describes the development of an impedimetric immunosensor for atrazine detection. This immunosensor is based on the use of interdigitated metallic μ-electrodes (IDμEs) The method described in this ...
  • Larger absolute photonic bandgap in two-dimensional air-silicon structures 

    Marsal, L F; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Pallarés, J; Alcubilla González, Ramón (2003-05)
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    Accés restringit per política de l'editorial
    We investigate different aspects of the absolute photonic band gap (PBG) formation for two-dimensional photonic crystals, consisting of air rods drilled into silicon. Specifically, square lattices of square and circular ...
  • Macroporous silicon : a next generation catalytic monolith for ethanol steam reforming 

    Vega Bru, Didac; Hernández Díaz, David; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón; López, E.; Jiménez, Nuria; Llorca Piqué, Jordi (Publicacions de la Universitat de València (PUV), 2011)
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    Macroporous silicon membranes, consisting of straight parallel pores with a diameter of 3.3μm and depth/width ratio >60, are used as microreactors for high efficiency hydrogen generation via steam reforming of ethanol. The ...