Gas Sensor Based on Highly Effective Slot-Die Printed PEDOT:PSS@ZnO Hybrid Nanocomposite for Methanol Detection.
Talitha Ramos Canabarra Dos SantosMaiara de Jesus BassiMorgana Muller de FrançaJúlia Ketzer MajewskiMarcos Vinícius Woiski BarcoteAnne Elize Puppi StanislawczukLucimara Stolz RomanPublished in: ACS applied materials & interfaces (2024)
This study presents the development of gas sensors based on the PEDOT:PSS@ZnO hybrid active layer slot-die printing aqueous ink. Two different zinc oxide (ZnO) nanoparticles were studied to form the nanocomposites, as well as the use of glass and PET substrates to manufacture the devices. Despite the influence of the morphology of the active layer, all device variations studied here exhibited high response values for methanol gas at room temperature, in addition to presenting good repeatability, reversibility, and the possibility of technology transfer to flexible substrates. Furthermore, PEDOT:PSS@ZnO showed good selectivity to methanol compared to ethanol, ammonia, and CO 2 . The best devices showed responses greater than 700% in detecting methanol.
Keyphrases
- room temperature
- ionic liquid
- carbon dioxide
- reduced graphene oxide
- solid state
- computed tomography
- quantum dots
- carbon nanotubes
- perovskite solar cells
- visible light
- positron emission tomography
- mass spectrometry
- high resolution
- case report
- pet imaging
- simultaneous determination
- liquid chromatography
- walled carbon nanotubes