{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,1]],"date-time":"2026-02-01T07:38:32Z","timestamp":1769931512830,"version":"3.49.0"},"reference-count":35,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2017,5,17]],"date-time":"2017-05-17T00:00:00Z","timestamp":1494979200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Using a seed layer-free hydrothermal method, ZnO nanorods (NRs) were deposited on ST-cut quartz surface acoustic wave (SAW) devices for ammonia sensing at room temperature. For a comparison, a ZnO film layer with a thickness of 30 nm was also coated onto an ST-cut quartz SAW device using a sol-gel and spin-coating technique. The ammonia sensing results showed that the sensitivity, repeatability and stability of the ZnO NR-coated SAW device were superior to those of the ZnO film-coated SAW device due to the large surface-to-volume ratio of the ZnO NRs.<\/jats:p>","DOI":"10.3390\/s17051142","type":"journal-article","created":{"date-parts":[[2017,5,17]],"date-time":"2017-05-17T11:13:17Z","timestamp":1495019597000},"page":"1142","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Room-Temperature Ammonia Sensor Based on ZnO Nanorods Deposited on ST-Cut Quartz Surface Acoustic Wave Devices"],"prefix":"10.3390","volume":"17","author":[{"given":"Wei","family":"Li","sequence":"first","affiliation":[{"name":"School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China"}]},{"given":"Yuanjun","family":"Guo","sequence":"additional","affiliation":[{"name":"School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China"}]},{"given":"Yongliang","family":"Tang","sequence":"additional","affiliation":[{"name":"School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China"}]},{"given":"Xiaotao","family":"Zu","sequence":"additional","affiliation":[{"name":"School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China"}]},{"given":"Jinyi","family":"Ma","sequence":"additional","affiliation":[{"name":"Sichuan Institute of Piezoelectric and Acousto-Optic Technology, Chongqing 400060, China"}]},{"given":"Lu","family":"Wang","sequence":"additional","affiliation":[{"name":"Sichuan Institute of Piezoelectric and Acousto-Optic Technology, Chongqing 400060, China"}]},{"given":"Yong","family":"Fu","sequence":"additional","affiliation":[{"name":"School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China"},{"name":"Faculty of Engineering &amp; Environment, University of Northumbria, Newcastle upon Tyne NE1 8ST, UK"}]}],"member":"1968","published-online":{"date-parts":[[2017,5,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"36","DOI":"10.1006\/enrs.1994.1005","article-title":"Air pollution and daily mortality: A review and meta analysis","volume":"64","author":"Schwartz","year":"1994","journal-title":"Environ. 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