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Solvent treatment of Wet-Spun PEDOT: PSS fibers for Fiber-Based Wearable pH Sensing
dc.contributor.author | Reid, Daniel O. |
dc.contributor.author | Smith, Rachel E. |
dc.contributor.author | García Torres, José Manuel |
dc.contributor.author | Watts, John F. |
dc.contributor.author | Crean, Carol |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica |
dc.date.accessioned | 2019-10-04T18:23:26Z |
dc.date.available | 2019-10-04T18:23:26Z |
dc.date.issued | 2019-09 |
dc.identifier.citation | Reid, D. [et al.]. Solvent treatment of Wet-Spun PEDOT: PSS fibers for Fiber-Based Wearable pH Sensing. "Sensors", Setembre 2019. |
dc.identifier.issn | 1424-8220 |
dc.identifier.uri | http://hdl.handle.net/2117/169233 |
dc.description.abstract | There is a growing desire for wearable sensors in health applications. Fibers are inherently flexible and as such can be used as the electrodes of flexible sensors. Fiber-based electrodes are an ideal format to allow incorporation into fabrics and clothing and for use in wearable devices. Electrically conducting fibers were produced from a dispersion of poly (3,4-ethylenedioxythiophene)-poly (styrenesulfonate) (PEDOT: PSS). Fibers were wet spun from two PEDOT: PSS sources, in three fiber diameters. The effect of three different chemical treatments on the fibers were investigated and compared. Short 5 min treatment times with dimethyl sulfoxide (DMSO) on 20 µm fibers produced from Clevios PH1000 were found to produce the best overall treatment. Up to a six-fold increase in electrical conductivity was achieved, reaching 800 S cm-1, with no loss of mechanical strength (150 MPa). With a pH-sensitive polyaniline coating, these fibers displayed a Nernstian response across a pH range of 3.0 to 7.0, which covers the physiologically critical pH range for skin. These results provide opportunities for future wearable, fiber-based sensors including real-time, on-body pH sensing to monitor skin disease. |
dc.language.iso | eng |
dc.publisher | Multidisciplinary Digital Publishing Institute (MDPI) |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Enginyeria dels materials |
dc.subject.lcsh | Nanofibers |
dc.subject.lcsh | Conducting polymers |
dc.subject.lcsh | Biosensors |
dc.subject.lcsh | Electrodes |
dc.subject.other | PEDOT: PSS |
dc.subject.other | Fiber electrode |
dc.subject.other | Wearable sensor |
dc.subject.other | pH |
dc.title | Solvent treatment of Wet-Spun PEDOT: PSS fibers for Fiber-Based Wearable pH Sensing |
dc.type | Article |
dc.subject.lemac | Nanofibres |
dc.subject.lemac | Polímers conductors |
dc.subject.lemac | Biosensors |
dc.subject.lemac | Elèctrodes |
dc.subject.lemac | Electrodes |
dc.identifier.doi | 10.3390/s19194213 |
dc.relation.publisherversion | https://www.mdpi.com/1424-8220/19/19/4213/htm |
dc.rights.access | Open Access |
local.identifier.drac | 25848482 |
dc.description.version | Postprint (author's final draft) |
local.citation.author | Reid, D.; Smith, R.; Garcia-Torres, J.; Watts, J.; Crean, C. |
local.citation.publicationName | Sensors |
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