6533b822fe1ef96bd127cd03

RESEARCH PRODUCT

Polymer-doped UHF RFID tag for wireless-sensing of humidity

Alexandro CatiniS. ManzariGaetano MarroccoC. Di NataleCecilia OcchiuzziShankar Nawale

subject

chemistry.chemical_classificationComputer sciencebusiness.industryRFID sensor humidityHumidityPolymerChemical speciesUltra high frequencyPEDOT:PSSchemistryAmbient humidityElectronic engineeringWirelessbusinessSensitivity (electronics)

description

Passive UHF RFID tags, beside item labelling, are also able to exploit capability of sensing the physical state of the tagged object as well as of the surrounding environment. Here a family of polymer-doped tags are proposed and fully characterized for the detection of ambient humidity. A sensitive chemical species based on PEDOT:PSS is used to dope a properly shaped slot carved into a folded-like patch tag. The communication and sensing capabilities of the radio-sensor are investigated by means of simulation and measurements showing how to control and balance above opposite requirements by dosing the quantity of sensitive material. The device could have interesting application in the assessment of the air quality in living and controlled rooms, in the monitoring of the conservation state of foods, in the preservation of walls, and even to monitor the healing degree of wounds.

yearjournalcountryeditionlanguage
2012-04-012012 IEEE International Conference on RFID (RFID)
https://doi.org/10.1109/rfid.2012.6193039