{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,24]],"date-time":"2026-01-24T19:24:23Z","timestamp":1769282663135,"version":"3.49.0"},"reference-count":19,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2010,1,21]],"date-time":"2010-01-21T00:00:00Z","timestamp":1264032000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Toluene gas was successfully measured at room temperature using a device microfabricated by a nanoimprinting method. A highly uniform nanoporous thin film was produced with a dense array of titania (TiO2) pores with a diameter of 70~80 nm using this method. This thin film had a Pd\/TiO2 nanoporous\/SiO2\/Si MIS layered structure with Pd-TiO2 as the catalytic sensing layer. The nanoimprinting method was useful in expanding the TiO2 surface area by about 30%, as confirmed using AFM and SEM imaging. The measured toluene concentrations ranged from 50 ppm to 200 ppm. The toluene was easily detected by changing the Pd\/TiO2 interface work function, resulting in a change in the I-V characteristics.<\/jats:p>","DOI":"10.3390\/s100100765","type":"journal-article","created":{"date-parts":[[2010,1,21]],"date-time":"2010-01-21T08:53:33Z","timestamp":1264064013000},"page":"765-774","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["A Nanopore Structured High Performance Toluene Gas Sensor Made by Nanoimprinting Method"],"prefix":"10.3390","volume":"10","author":[{"given":"Kwang-Su","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Nano Science and Engineering, Myongji University, Gyeonggi 449-728, Korea"}]},{"given":"Woon-Hyuk","family":"Baek","sequence":"additional","affiliation":[{"name":"Department of Nano Science and Engineering, Myongji University, Gyeonggi 449-728, Korea"}]},{"given":"Jung-Min","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Nano Science and Engineering, Myongji University, Gyeonggi 449-728, Korea"}]},{"given":"Tae-Sik","family":"Yoon","sequence":"additional","affiliation":[{"name":"Department of Nano Science and Engineering, Myongji University, Gyeonggi 449-728, Korea"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3935-5437","authenticated-orcid":false,"given":"Hyun Ho","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering, Myongji University, Gyeonggi 449-728, Korea"}]},{"given":"Chi Jung","family":"Kang","sequence":"additional","affiliation":[{"name":"Department of Nano Science and Engineering, Myongji University, Gyeonggi 449-728, Korea"}]},{"given":"Yong-Sang","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Nano Science and Engineering, Myongji University, Gyeonggi 449-728, Korea"},{"name":"Department of Electrical Engineering, Myongji University, Gyeonggi 449-728, Korea"}]}],"member":"1968","published-online":{"date-parts":[[2010,1,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"161","DOI":"10.1016\/S0048-9697(00)00465-4","article-title":"Volatile organic compounds in indoor environments in Mumbai, India","volume":"255","author":"Srivastava","year":"2000","journal-title":"Sci. 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