Resistive sensor for the detection of benzene gas and procedure for its obtaining (Machine-translation by Google Translate, not legally binding)

Resistive sensor for benzene gas detection and procedure for obtaining it. The resistive sensor a includes a support with electrodes coated with functionalized carbon nanotubes and decorated with metallic nanoparticles, whose metallic nanoparticles support a monolayer of an organic compound of the r...

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Hauptverfasser: BALLESTER, Pau, PARRA ARNO, Enrique José, CLEMENT, Pierrick, KOROM, Sasa, LLOBET VALERO, Eduard
Format: Patent
Sprache:eng ; spa
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Zusammenfassung:Resistive sensor for benzene gas detection and procedure for obtaining it. The resistive sensor a includes a support with electrodes coated with functionalized carbon nanotubes and decorated with metallic nanoparticles, whose metallic nanoparticles support a monolayer of an organic compound of the resorcin [4] arene group. A device comprising said resistive sensor a and a resistive sensor b is also protected, as is sensor a, except that it does not include organic compound, to selectively and with a high sensitivity detect benzene gas in air. The device is reversible. The procedure for obtaining the resistive sensor a comprises selecting a support, drawing electrodes, treating the nanotubes with oxygen, decorating them with metallic nanoparticles, depositing the nanotubes on the electrodes; prepare a solution of the organic compound and immerse the support in said solution to form a monolayer of the organic compound. (Machine-translation by Google Translate, not legally binding) Sensor resistivo para la detección de gas benceno y procedimiento para su obtención. El sensor resistivo A incluye un soporte con electrodos recubiertos de nanotubos de carbono funcionalizados y decorados con nanopartículas metálicas, cuyas nanopartículas metálicas soportan una monocapa de un compuesto orgánico del grupo resorcin[4]areno. Se protege además un dispositivo que comprende dicho sensor resistivo A y un sensor resistivo B, igual que el sensor A a excepción que no incluye compuesto orgánico, para detectar de manera selectiva y con elevada sensibilidad gas benceno en aire. El dispositivo es reversible. El procedimiento para obtener el sensor resistivo A comprende seleccionar un soporte, dibujar electrodos, tratar los nanotubos con oxígeno, decorarlos con nanopartículas metálicas, depositar los nanotubos sobre los electrodos; preparar una disolución del compuesto orgánico y sumergir el soporte en dicha disolución para formar una monocapa del compuesto orgánico.