Hydrogen-selective microelectrodes based on silicon needles

Nadia Zine, Joan Bausells, Antoni Ivorra, Jordi Aguiló, Miguel Zabala, Francesc Teixidor, Carles Masalles, Clara Viñas, Abdelhamid Errachid*

*Autor corresponent d’aquest treball

    Producció científica: Contribució a revistaArticleRecercaAvaluat per experts

    41 Cites (Scopus)

    Resum

    The fabrication of hydrogen-selective microelectrodes on silicon needle-shaped substrates is described. The microelectrodes are based on an ion-selective poly(vinyl chloride) (PVC) membrane with an intrinsically conducting polymer (polypyrrole (PPy)) solid contact layer. The polypyrrole is prepared with the dopant anion cobaltbis(dicarbollide) [3,3′-Co(1,2-C2B9H11)2]- , which gives a high stability to the polymer layer. The performance of the resulting solid-contact ion-selective microelectrodes (SCISME) is investigated by using potentiometric measurement and electrochemical impedance spectrometry. The feasibility of the fabrication technology is demonstrated and the devices operate satisfactorily, with a response showing good sensitivity and selectivity against common interfering cations in background solutions. The SCISME has been developed for organ monitoring during cardiac surgery or during transportation for transplants.

    Idioma originalAnglès
    Pàgines (de-a)76-82
    Nombre de pàgines7
    RevistaSensors and Actuators, B: Chemical
    Volum91
    Número1-3
    DOIs
    Estat de la publicacióPublicada - 1 de juny 2003

    Fingerprint

    Navegar pels temes de recerca de 'Hydrogen-selective microelectrodes based on silicon needles'. Junts formen un fingerprint únic.

    Com citar-ho