Taheri, Mahtab, Ketabi, Mohsen, Al Shboul, Ahmad M., Mahinnezhad, Shirin, Izquierdo, Ricardo et Deen, M. Jamal.
2023.
« Integrated pH sensors based on RuO2/GO Nanocomposites fabricated using the aerosol jet printing method ».
ACS Omega, vol. 8, nº 49.
pp. 46794-46803.
Compte des citations dans Scopus : 4.
Prévisualisation |
PDF
Izquierdo-R-2023-28255.pdf - Version publiée Licence d'utilisation : Creative Commons CC BY-NC-ND. Télécharger (9MB) | Prévisualisation |
Résumé
An aerosol jet printing (AJP) process for depositing ruthenium dioxide (RuO2) as a promising material for pH sensing is reported. Graphene oxide (GO) with a large surface area was used for the in situ sol−gel deposition of RuO2 nanoparticles on its surface. The cosolvent ratio and solid loading of the solution are adjusted to form a printable and stable ink. The monodispersed aerosol was atomized on the surface of the screen-printed carbon electrode in order to develop an integrated pH sensor. The RuO2−GO pH sensor demonstrates excellent performance, with a rapid response time of less than 5 s and high sensitivity in the pH range of 4−10. Compared to traditional carbon electrodes, the RuO2−GO sensor shows up to four times higher sensitivity. The increased sensitivity is a result of the consistent attachment of small-crystallized RuO2 nanoparticles onto the surface of GO sheets, leading to a synergistic effect. Thanks to the AJP method as a facile and cost-effective integration technique, the fabricated electrodes can serve as an alternative to traditional rigid pH electrodes for accurate pH measurement.
| Type de document: | Article publié dans une revue, révisé par les pairs |
|---|---|
| Professeur: | Professeur Izquierdo, Ricardo |
| Affiliation: | Génie électrique |
| Date de dépôt: | 04 janv. 2024 20:36 |
| Dernière modification: | 08 janv. 2024 20:10 |
| URI: | https://espace2.etsmtl.ca/id/eprint/28255 |
Actions (Authentification requise)
 |
Dernière vérification avant le dépôt |