{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,11]],"date-time":"2026-01-11T03:00:19Z","timestamp":1768100419973,"version":"3.49.0"},"reference-count":21,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2011,7,1]],"date-time":"2011-07-01T00:00:00Z","timestamp":1309478400000},"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>The sensing behavior of SnO2-based thick film gas sensors in a flow system in the presence of a very low concentration (ppb level) of chemical agent simulants such as acetonitrile, dipropylene glycol methyl ether (DPGME), dimethyl methylphosphonate (DMMP), and dichloromethane (DCM) was investigated. Commercial SnO2 [SnO2(C)] and nano-SnO2 prepared by the precipitation method [SnO2(P)] were used to prepare the SnO2 sensor in this study. In the case of DCM and acetonitrile, the SnO2(P) sensor showed higher sensor response as compared with the SnO2(C) sensors. In the case of DMMP and DPGME, however, the SnO2(C) sensor showed higher responses than those of the SnO2(P) sensors. In particular, the response of the SnO2(P) sensor increased as the calcination temperature increased from 400 \u00b0C to 800 \u00b0C. These results can be explained by the fact that the response of the SnO2-based gas sensor depends on the textural properties of tin oxide and the molecular size of the chemical agent simulant in the detection of the simulant gases (0.1\u20130.5 ppm).<\/jats:p>","DOI":"10.3390\/s110706893","type":"journal-article","created":{"date-parts":[[2011,7,1]],"date-time":"2011-07-01T11:36:59Z","timestamp":1309520219000},"page":"6893-6904","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":47,"title":["Effects of Textural Properties on the Response of a SnO2-Based Gas Sensor for the Detection of Chemical Warfare Agents"],"prefix":"10.3390","volume":"11","author":[{"given":"Soo Chool","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Chemical Engineering, Kyungpook National University, Daegu 702-701, Korea"}]},{"given":"Seong Yeol","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering, Kyungpook National University, Daegu 702-701, Korea"}]},{"given":"Woo Suk","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering, Kyungpook National University, Daegu 702-701, Korea"}]},{"given":"Suk Yong","family":"Jung","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering, Kyungpook National University, Daegu 702-701, Korea"}]},{"given":"Byung Wook","family":"Hwang","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering, Kyungpook National University, Daegu 702-701, Korea"}]},{"given":"Dhanusuraman","family":"Ragupathy","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering, Kyungpook National University, Daegu 702-701, Korea"}]},{"given":"Duk Dong","family":"Lee","sequence":"additional","affiliation":[{"name":"School of Electrical Engineering and Computer Science, Kyungpook National University, Daegu 702-701, Korea"}]},{"given":"Sang Yeon","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Applied Chemistry, Kyungpook National University, Daegu 702-701, Korea"}]},{"given":"Jae Chang","family":"Kim","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering, Kyungpook National University, Daegu 702-701, Korea"}]}],"member":"1968","published-online":{"date-parts":[[2011,7,1]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1016\/j.etap.2008.03.003","article-title":"Chemical warfare agents","volume":"26","author":"Chauhana","year":"2008","journal-title":"Environ. 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