{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,7]],"date-time":"2026-04-07T04:25:33Z","timestamp":1775535933524,"version":"3.50.1"},"reference-count":63,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2010,4,22]],"date-time":"2010-04-22T00:00:00Z","timestamp":1271894400000},"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>In this article, we review gas sensor application of one-dimensional (1D) metal-oxide nanostructures with major emphases on the types of device structure and issues for realizing practical sensors. One of the most important steps in fabricating 1D-nanostructure devices is manipulation and making electrical contacts of the nanostructures. Gas sensors based on individual 1D nanostructure, which were usually fabricated using electron-beam lithography, have been a platform technology for fundamental research. Recently, gas sensors with practical applicability were proposed, which were fabricated with an array of 1D nanostructures using scalable micro-fabrication tools. In the second part of the paper, some critical issues are pointed out including long-term stability, gas selectivity, and room-temperature operation of 1D-nanostructure-based metal-oxide gas sensors.<\/jats:p>","DOI":"10.3390\/s100404083","type":"journal-article","created":{"date-parts":[[2010,4,22]],"date-time":"2010-04-22T11:09:32Z","timestamp":1271934572000},"page":"4083-4099","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":354,"title":["One-Dimensional Oxide Nanostructures as Gas-Sensing Materials: Review and Issues"],"prefix":"10.3390","volume":"10","author":[{"given":"Kyoung Jin","family":"Choi","sequence":"first","affiliation":[{"name":"Nano-Materials Center, Korea Institute of Science and Technology, Seoul, 130-650, Korea"}]},{"given":"Ho Won","family":"Jang","sequence":"additional","affiliation":[{"name":"Electronic Materials Center, Korea Institute of Science and Technology, Seoul, 130-650, Korea"}]}],"member":"1968","published-online":{"date-parts":[[2010,4,22]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1502","DOI":"10.1021\/ac60191a001","article-title":"A new detector for gaseous components using semiconductive thin films","volume":"34","author":"Seiyama","year":"1962","journal-title":"Anal. 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