{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T09:00:46Z","timestamp":1773046846582,"version":"3.50.1"},"reference-count":32,"publisher":"Wiley","license":[{"start":{"date-parts":[[2018,1,1]],"date-time":"2018-01-01T00:00:00Z","timestamp":1514764800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100007275","name":"Ministry of Science and Technology of Thailand","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100007275","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004192","name":"National Science and Technology Development Agency","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004192","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100007056","name":"National Nanotechnology Center","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100007056","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100012915","name":"PTT Public Company Limited","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100012915","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Sensors"],"published-print":{"date-parts":[[2018]]},"abstract":"<jats:p>A hybrid sensor based on the integration of functionalized multiwalled carbon nanotubes (MWCNTs) with ethyl cellulose (EC) was fabricated for sensitivity enhancement of benzene detection. To functionalize the surface of MWCNTs, MWCNTs were treated with hydrochloric acid for 60\u2009min (A60-MWCNTs), while other MWCNTs were treated with oxygen plasma for 30, 60, 90, and 120\u2009min (P30-MWCNTs, P60-MWCNTs, P90-MWCNTs, and P120-MWCNTs, resp.). Pristine MWCNTs, A-MWCNTs, and P-MWCNTs were dispersed in 1,2-dichloroethane, then dropped onto a printed circuit board consisting of Cu\/Au electrodes used as the sensor platform. Next, EC was separately spin coated on the pristine MWCNTs, A-MWCNTs, and P-MWCNTs (EC\/MWCNTs, EC\/A-MWCNTs, and EC\/P-MWCNTs, resp.). All sensors responded to benzene vapor at room temperature by increasing their electrical resistance which was sensitive to benzene vapor. The EC\/P90-MWCNTs enabled an approximately 11-fold improvement in benzene detection compared to EC\/MWCNTs. The sensitivity of all sensors would be attributed to the swelling of EC, resulting in the loosening of the MWCNT network after benzene vapor exposure. The differences of the sensing responses of the EC\/MWCNTs, EC\/A-MWCNTs, and EC\/P-MWCNTs would be ascribed to the differences in crystallinity and functionalization of MWCNT sidewalls, suggesting that acid and oxygen plasma treatments of MWCNTs would be promising techniques for the improvement of benzene detection.<\/jats:p>","DOI":"10.1155\/2018\/6956973","type":"journal-article","created":{"date-parts":[[2018,5,20]],"date-time":"2018-05-20T23:32:09Z","timestamp":1526859129000},"page":"1-9","source":"Crossref","is-referenced-by-count":5,"title":["Sensitivity Enhancement of Benzene Sensor Using Ethyl Cellulose-Coated Surface-Functionalized Carbon Nanotubes"],"prefix":"10.1155","volume":"2018","author":[{"given":"Thanattha","family":"Chobsilp","sequence":"first","affiliation":[{"name":"Department of Physics, Faculty of Science, Burapha University, Long-Hard Bangsaen Rd., Muang, Chonburi 20131, Thailand"}]},{"given":"Worawut","family":"Muangrat","sequence":"additional","affiliation":[{"name":"Institute of Carbon Science and Technology, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan"}]},{"given":"Chaisak","family":"Issro","sequence":"additional","affiliation":[{"name":"Department of Physics, Faculty of Science, Burapha University, Long-Hard Bangsaen Rd., Muang, Chonburi 20131, Thailand"}]},{"given":"Weerawut","family":"Chaiwat","sequence":"additional","affiliation":[{"name":"Environmental Engineering and Disaster Management Program, Mahidol University, Kanchanaburi Campus, Sai yok, Kanchanaburi 71150, Thailand"}]},{"given":"Apiluck","family":"Eiad-ua","sequence":"additional","affiliation":[{"name":"College of Nanotechnology, King Mongkut\u2019s Institute of Technology Ladkrabang, Chalongkrung Rd., Ladkrabang, Bangkok 10520, Thailand"},{"name":"Nanotec-KMITL Center of Excellence on Nanoelectronic Devices, Chalongkrung Rd., Ladkrabang, Bangkok 10520, 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