{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,17]],"date-time":"2026-06-17T02:12:14Z","timestamp":1781662334666,"version":"3.54.5"},"reference-count":105,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2014,9,17]],"date-time":"2014-09-17T00:00:00Z","timestamp":1410912000000},"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>One-dimensional semiconductor nanostructures are unique sensing materials for the fabrication of gas sensors. In this article, gas sensors based on semiconducting nanowire field-effect transistors (FETs) are comprehensively reviewed. Individual nanowires or nanowire network films are usually used as the active detecting channels.  In these sensors, a third electrode, which serves as the gate, is used to tune the carrier concentration of the nanowires to realize better sensing performance, including sensitivity, selectivity and response time, etc. The FET parameters can be modulated by the presence of the target gases and their change relate closely to the type and concentration of the gas molecules. In addition, extra controls such as metal decoration, local heating and light irradiation can be combined with the gate electrode to tune the nanowire channel and realize more effective gas sensing. With the help of micro-fabrication techniques, these sensors can be integrated into smart systems. Finally, some challenges for the future investigation and application of nanowire field-effect gas sensors are discussed.<\/jats:p>","DOI":"10.3390\/s140917406","type":"journal-article","created":{"date-parts":[[2014,9,17]],"date-time":"2014-09-17T10:53:17Z","timestamp":1410951197000},"page":"17406-17429","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":103,"title":["Gas Sensors Based on Semiconducting Nanowire  Field-Effect Transistors"],"prefix":"10.3390","volume":"14","author":[{"given":"Ping","family":"Feng","sequence":"first","affiliation":[{"name":"Jiangsu Provincial Key Laboratory of Photonic and Electronic Materials, School of Electronic  Science & Engineering, Nanjing University, Nanjing 210093, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feng","family":"Shao","sequence":"additional","affiliation":[{"name":"Jiangsu Provincial Key Laboratory of Photonic and Electronic Materials, School of Electronic  Science & Engineering, Nanjing University, Nanjing 210093, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi","family":"Shi","sequence":"additional","affiliation":[{"name":"Jiangsu Provincial Key Laboratory of Photonic and Electronic Materials, School of Electronic  Science & Engineering, Nanjing University, Nanjing 210093, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qing","family":"Wan","sequence":"additional","affiliation":[{"name":"Jiangsu Provincial Key Laboratory of Photonic and Electronic Materials, School of Electronic  Science & Engineering, Nanjing University, Nanjing 210093, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2014,9,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"147","DOI":"10.1016\/0925-4005(91)80207-Z","article-title":"Grain-size effects on gas sensitivity of porous SnO2-based elements","volume":"3","author":"Xu","year":"1991","journal-title":"Sens. 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