A Comparative Study on Performance of Drop Casted and Inkjet Printed Humidity Sensor
In this study, flexible inkjet-printed capacitive humidity sensors were developed using Fujifilm Dimatix 2850 printer. The interdigitated electrodes (IDE) of the sensors were printed with the commercial silver nano-particles ink (AgNPs ink) on the polyethylene terephthalate (PET). To develop the sen...
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Institute of Electrical and Electronics Engineers Inc.
2021
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| Online Access: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85124143193&doi=10.1109%2fICIAS49414.2021.9642625&partnerID=40&md5=82eda534bd6c294de2b7dbe7cfc2ff79 http://eprints.utp.edu.my/29209/ |
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my.utp.eprints.292092022-03-25T01:11:52Z A Comparative Study on Performance of Drop Casted and Inkjet Printed Humidity Sensor Liew, Q.J. Hawari, H.F. Wah, L.H. Khir, M.H.M. Sulaiman, S. In this study, flexible inkjet-printed capacitive humidity sensors were developed using Fujifilm Dimatix 2850 printer. The interdigitated electrodes (IDE) of the sensors were printed with the commercial silver nano-particles ink (AgNPs ink) on the polyethylene terephthalate (PET). To develop the sensing material on the humidity sensors, two methodologies were investigated. The former was a drop-cast method while the latter was an inkjet-printing method. Both utilized graphene oxide (GO) as the sensing material mixed with polyacrylic acid (PAA). The results in capacitance were obtained from experiments conducted in the humidity range from 30 RH to 80 RH. It was found that the former to be more suitable working in humidity range of 30 RH up to 70 RH while the latter more suitable working in humidity range of 30 RH up to 60 RH. The methodology using the drop-casted method presented higher sensitivity 9.766 pF/ RH compared to the inkjet printing method which was 0.441 pF/ RH. The sensors also exhibited good stabilities during short-term and long-term stability tests under predefined humidity and temperature. © 2021 IEEE. Institute of Electrical and Electronics Engineers Inc. 2021 Conference or Workshop Item NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85124143193&doi=10.1109%2fICIAS49414.2021.9642625&partnerID=40&md5=82eda534bd6c294de2b7dbe7cfc2ff79 Liew, Q.J. and Hawari, H.F. and Wah, L.H. and Khir, M.H.M. and Sulaiman, S. (2021) A Comparative Study on Performance of Drop Casted and Inkjet Printed Humidity Sensor. In: UNSPECIFIED. http://eprints.utp.edu.my/29209/ |
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In this study, flexible inkjet-printed capacitive humidity sensors were developed using Fujifilm Dimatix 2850 printer. The interdigitated electrodes (IDE) of the sensors were printed with the commercial silver nano-particles ink (AgNPs ink) on the polyethylene terephthalate (PET). To develop the sensing material on the humidity sensors, two methodologies were investigated. The former was a drop-cast method while the latter was an inkjet-printing method. Both utilized graphene oxide (GO) as the sensing material mixed with polyacrylic acid (PAA). The results in capacitance were obtained from experiments conducted in the humidity range from 30 RH to 80 RH. It was found that the former to be more suitable working in humidity range of 30 RH up to 70 RH while the latter more suitable working in humidity range of 30 RH up to 60 RH. The methodology using the drop-casted method presented higher sensitivity 9.766 pF/ RH compared to the inkjet printing method which was 0.441 pF/ RH. The sensors also exhibited good stabilities during short-term and long-term stability tests under predefined humidity and temperature. © 2021 IEEE. |
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Conference or Workshop Item |
| author |
Liew, Q.J. Hawari, H.F. Wah, L.H. Khir, M.H.M. Sulaiman, S. |
| spellingShingle |
Liew, Q.J. Hawari, H.F. Wah, L.H. Khir, M.H.M. Sulaiman, S. A Comparative Study on Performance of Drop Casted and Inkjet Printed Humidity Sensor |
| author_facet |
Liew, Q.J. Hawari, H.F. Wah, L.H. Khir, M.H.M. Sulaiman, S. |
| author_sort |
Liew, Q.J. |
| title |
A Comparative Study on Performance of Drop Casted and Inkjet Printed Humidity Sensor |
| title_short |
A Comparative Study on Performance of Drop Casted and Inkjet Printed Humidity Sensor |
| title_full |
A Comparative Study on Performance of Drop Casted and Inkjet Printed Humidity Sensor |
| title_fullStr |
A Comparative Study on Performance of Drop Casted and Inkjet Printed Humidity Sensor |
| title_full_unstemmed |
A Comparative Study on Performance of Drop Casted and Inkjet Printed Humidity Sensor |
| title_sort |
comparative study on performance of drop casted and inkjet printed humidity sensor |
| publisher |
Institute of Electrical and Electronics Engineers Inc. |
| publishDate |
2021 |
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https://www.scopus.com/inward/record.uri?eid=2-s2.0-85124143193&doi=10.1109%2fICIAS49414.2021.9642625&partnerID=40&md5=82eda534bd6c294de2b7dbe7cfc2ff79 http://eprints.utp.edu.my/29209/ |
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