Gorka Pera
University of Zaragoza
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Publication
Featured researches published by Gorka Pera.
Journal of Physical Chemistry B | 2009
Isabel Bandrés; Gorka Pera; Santiago Martín; M. Castro; Carlos Lafuente
A thermophysical study of 1-butyl-2-methylpyridinium tetrafluoroborate in a wide range of temperatures has been performed. Thus, density, speed of sound, refractive index, kinematic viscosity, surface tension, and thermal properties have been measured, whereas coefficients of thermal expansion, molar refractions, dynamic viscosities, and entropies and enthalpies of surface formation per unit surface area at the studied temperatures have been calculated. Experimental results have been compared with those obtained for 1-butyl-3-methylpyridinium tetrafluoroborate and 1-butyl-4-methylpyridinium tetrafluoroborate to analyze the effect of the positional isomeric cationic structure on properties. A systematic characterization leads to understand the behavior of such compounds, being a fundamental step to develop their potential as new solvents.
Chemistry: A European Journal | 2014
Santiago Martín; Gorka Pera; Luz M. Ballesteros; Adam J. Hope; Santiago Marqués-González; Paul J. Low; Francesc Pérez-Murano; Richard J. Nichols; Pilar Cea
Langmuir films of 4-{[4-({4-[(trimethylsilyl)ethynyl]phenyl}ethynyl)phenyl]ethynyl} benzenaminium chloride ([1 H]Cl) undergo anion metathesis when assembled on an aqueous auric acid (HAuCl4 ) subphase. Subsequent transfer to solid supports gives well-formed Langmuir-Blodgett (LB) monolayers of [1 H]AuCl4 in which the trimethylsilyl group serves as the surface contacting group. Photoreduction of the aurate on these monolayers leads to the formation of metallic gold nanoislands, which were distributed over the surface of the film. Electrical properties of these nascent devices were determined by recording current-voltage (I-V) curves with conductive atomic force microscopy (c-AFM) using the PeakForce tunneling AFM (PF-TUNA) mode. This gives consistent sigmoidal I-V curves that are indicative of well-behaved junctions free of metallic filaments and short circuits. The photoreduction of a metal precursor incorporated onto monomolecular films is therefore proposed as an effective method for the fabrication of molecular junctions.
Physics and Chemistry of Liquids | 2007
Beatriz Giner; Isabel Bandrés; Gorka Pera; Ignacio Giner; F.M. Royo
Refractive indices of binary mixtures formed by a cyclic ether (tetrahydrofuran or tetrahydropyran) and each of the isomeric chlorobutanes (1-chlorobutane, 2-chlorobutane, 1-chloro-2-methylpropane and 2-chloro-2-methylpropane) have been measured at two temperatures, 298.15 K and 313.15 K. From experimental data, refractive index deviations and molar refractions have been calculated. Furthermore, several common mixing rules have been used to predict refractive indices of the mixtures from their experimental densities reported previously.
Chemistry: A European Journal | 2010
Gorka Pera; Santiago Martín; Luz M. Ballesteros; Adam J. Hope; Paul J. Low; Richard J. Nichols; Pilar Cea
Chemistry of Materials | 2007
Gorka Pera; Ana Villares; María C. López; Pilar Cea; Donocadh P. Lydon; Paul J. Low
Journal of Solution Chemistry | 2007
Beatriz Giner; Begoña Oliver; Ignacio Giner; Gorka Pera; Carlos Lafuente
Langmuir | 2011
Luz M. Ballesteros; Santiago Martín; Gorka Pera; Phil A. Schauer; Nicola J. Kay; María C. López; Paul J. Low; Richard J. Nichols; Pilar Cea
Chemistry of Materials | 2010
Ana Villares; Gorka Pera; Santiago Martín; Richard J. Nichols; Donocadh P. Lydon; Lucas Applegarth; Andrew Beeby; Paul J. Low; Pilar Cea
Journal of Colloid and Interface Science | 2007
Santiago Martín; Pilar Cea; Gorka Pera; Marta Haro; M. Carmen López
Journal of Solution Chemistry | 2008
Montserrat Pérez-Navarro; Gorka Pera; Marta Haro; Ignacio Gascón; Carlos Lafuente