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https://open.uns.ac.rs/handle/123456789/2288
Title: | Flexible and highly sensitive humidity sensors using screen-printed TiO2 nanoparticles as sensitive layer | Authors: | Dubourg, Georges Katona, Jaroslav Radović, Marko Savić, Slavica Kitić, Goran Niarchos, Georgios Janković, Nikolina Crnojević-Bengin, Vesna |
Issue Date: | 2017 | Publisher: | IOP Publishing | Journal: | Journal of Physics: Conference Series, Volume 939, 6th International Conference on Materials and Applications for Sensors and Transducers - IC-MAST 27–30 September 2016, Athens, Greece | Abstract: | In this work, we present an original example of flexible and miniaturized humidity sensor using screen-printed TiO2 nanoparticles as sensitive layer. The proposed sensors operate under room-temperature conditions and exhibit high sensitivity to changes in relative humidity. The humidity sensor consists of a TiO2-based sensitive nanomaterial printed on the top of interdigitated electrodes (IDEs) patterned by laser ablation on flexible substrate. A TiO2 screen-printing paste from commercially-available nanopowders was developed in order to allow large-scale fabrication of humidity sensors at low temperature. The I-V characteristic of the sensor shows good linearity and resistance measurements confirm the water vapour's absorption on the sensitive layer, showing high sensitivity in the range of 24 to 90% relative humidity, while exhibiting relatively fast response and recovery times, without the need of any refreshing method. | URI: | https://open.uns.ac.rs/handle/123456789/2288 | ISSN: | 1742-6588 | DOI: | 10.1088/1742-6596/939/1/012008 |
Appears in Collections: | IBS Publikacije/Publications TF Publikacije/Publications |
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