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Inkjet-Printed Sulfide-Selective Electrode
Pol, Roberto (Universitat Autònoma de Barcelona. Departament de Química)
Moya Lara, Ana (Institut de Microelectrònica de Barcelona)
Gabriel, Gemma (Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina)
Gabriel, David (Universitat Autònoma de Barcelona. Departament d'Enginyeria Química, Biològica i Ambiental)
Céspedes Mulero, Francisco (Universitat Autònoma de Barcelona. Departament de Química)
Baeza Labat, Maria del Mar (Universitat Autònoma de Barcelona. Departament de Química)

Fecha: 2017
Resumen: Inkjet printing technology has emerged as an alternative manufacturing method for low-cost production of electrodes. Despite significant progress, there is still a lack in the production of ion-selective electrodes. Herein, the two-step fabrication of the first inkjet-printed sulfide-selective electrode (IPSSE) is described. The two-step fabrication consists of printing a silver electrode followed by an electrochemical deposition of sulfide to produce a second kind electrode (Ag/Ag2S). The performance of this novel device was tested using potentiometric measurements. Nernstian response (−29. 4 ± 0. 3 mV·decade-1) was obtained within concentrations of 0. 03-50 mM with a response time of ∼3 s. Furthermore, river/sea-spiked environmental samples and samples from a bioreactor for sulfate reduction to sulfide were measured and compared against a commercial sensor giving no significant differences. The IPSSE described in this work showed good reproducibility and durability during daily measurements over 15 days without any special storage conditions. Considering all the current challenges in inkjet-printed ion-selective electrodes, this different fabrication approach opens a new perspective for mass production of all-solid state ion-selective electrodes.
Ayudas: Ministerio de Economía y Competitividad CTQ2015-69802-C2-1-R
Agència de Gestió d'Ajuts Universitaris i de Recerca 2014/SGR-1255
Nota: Altres ajuts: Autonomous University of Barcelona PIF grant
Derechos: Tots els drets reservats.
Lengua: Anglès
Documento: Article ; recerca ; Versió acceptada per publicar
Materia: Sulfide detection ; Inkjet printing ; Second kind electrode ; Ion-selective electrode
Publicado en: Analytical chemistry, Vol. 89, Issue 22 (October 2017) , p. 12231-12236, ISSN 1520-6882

DOI: 10.1021/acs.analchem.7b03041


10 p, 4.0 MB

El registro aparece en las colecciones:
Documentos de investigación > Documentos de los grupos de investigación de la UAB > Centros y grupos de investigación (producción científica) > Ingeniería > GENOCOV
Artículos > Artículos de investigación
Artículos > Artículos publicados

 Registro creado el 2022-07-21, última modificación el 2022-09-20



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