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Fabrication of integrated solid state electrode for extended gate-FET pH sensor
| Content Provider | Scilit |
|---|---|
| Author | Rosli, Aimi Bazilah Awang, Zaiki Shariffudin, Shafinaz Sobihana Herman, Sukreen Hana |
| Copyright Year | 2018 |
| Description | Journal: Materials Research Express To realize the miniaturization of an extended gate field effect transistor (EGFET) based sensor, an all solid state phase electrodes are needed. This paper presents the facile fabrication of an integrated solid state electrode (ISSE) consisting a solid state silver/silver chloride (Ag/AgCl) reference electrode (RE) and ZnO nanostructures sensing electrode (SE) on a single 2 x 2 cm2 indium tin oxide (ITO) substrate. The RE and SE was fabricated by thermal evaporation (TE) and simple immersion process respectively. The ISSE was then tested by applying it to an EGFET pH sensor setup and compared with commercialized Ag/AgCl RE; and it was found that the sensor sensitivity for both electrodes are comparable (commercial RE : 52.4 mV/pH, ISSE: 53.4 mV/pH). |
| Related Links | http://iopscience.iop.org/article/10.1088/2053-1591/aae739/pdf |
| ISSN | 20531591 |
| e-ISSN | 20531591 |
| DOI | 10.1088/2053-1591/aae739 |
| Journal | Materials Research Express |
| Issue Number | 1 |
| Volume Number | 6 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2018-10-10 |
| Access Restriction | Open |
| Subject Keyword | Journal: Materials Research Express |
| Content Type | Text |
| Resource Type | Article |
| Subject | Surfaces, Coatings and Films Metals and Alloys Biomaterials Electronic, Optical and Magnetic Materials Polymers and Plastics |
