{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,9]],"date-time":"2026-01-09T00:52:20Z","timestamp":1767919940596,"version":"3.49.0"},"reference-count":64,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2016,8,8]],"date-time":"2016-08-08T00:00:00Z","timestamp":1470614400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["21273037"],"award-info":[{"award-number":["21273037"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100012166","name":"National Basic Research Program of China","doi-asserted-by":"publisher","award":["2014CB239303"],"award-info":[{"award-number":["2014CB239303"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Science &amp; Technology Plan Project of Fujian Province","award":["2014Y2003"],"award-info":[{"award-number":["2014Y2003"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>An anatase TiO2 film sensor was prepared by a facile in-situ method on the interdigitated Au electrode deposited on the alumina substrate. The structure, morphology and the optical properties of the in-situ TiO2 film sensor were characterized by X-ray diffraction, Scanning Electron Microscopy, and UV-vis diffuse reflectance spectra. The photo-assisted gas sensitivities of the prepared film towards H2 gas were evaluated at room temperature in N2 and synthetic air atmospheres. As compared to TiO2 film sensor prepared by drop-coating method, this in-situ TiO2 film sensor exhibited a more compact structure composed of uniform TiO2 microspheres as well as a better gas sensitivity towards H2 under UV irradiation, especially in synthetic air. The photo-electrochemical measurements suggest that these improvements may be associated with the efficient charge transfer in the TiO2 interface induced by the TiO2 microsphere structure. This study might offer a feasible approach to develop photo-assisted gas sensors at ambient temperature.<\/jats:p>","DOI":"10.3390\/s16081249","type":"journal-article","created":{"date-parts":[[2016,8,8]],"date-time":"2016-08-08T10:14:38Z","timestamp":1470651278000},"page":"1249","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":45,"title":["Comparative Study of Two Different TiO2 Film Sensors on Response to H2 under UV Light and Room Temperature"],"prefix":"10.3390","volume":"16","author":[{"given":"Xiaoying","family":"Peng","sequence":"first","affiliation":[{"name":"State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, Fuzhou University, Fuzhou 350002, China"},{"name":"College of Chemistry, Fuzhou University, Fuzhou 350108, China"}],"role":[{"role":"author","vocab":"crossref"}]},{"given":"Zhongming","family":"Wang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, Fuzhou University, Fuzhou 350002, China"},{"name":"College of Chemistry, Fuzhou University, Fuzhou 350108, China"}],"role":[{"role":"author","vocab":"crossref"}]},{"given":"Pan","family":"Huang","sequence":"additional","affiliation":[{"name":"College of Chemistry, Fuzhou University, Fuzhou 350108, China"}],"role":[{"role":"author","vocab":"crossref"}]},{"given":"Xun","family":"Chen","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, Fuzhou University, Fuzhou 350002, China"},{"name":"College of Chemistry, Fuzhou University, Fuzhou 350108, China"}],"role":[{"role":"author","vocab":"crossref"}]},{"given":"Xianzhi","family":"Fu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, Fuzhou University, Fuzhou 350002, China"},{"name":"College of Chemistry, Fuzhou University, Fuzhou 350108, China"}],"role":[{"role":"author","vocab":"crossref"}]},{"given":"Wenxin","family":"Dai","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Photocatalysis on Energy and Environment, Research Institute of Photocatalysis, Fuzhou University, Fuzhou 350002, China"},{"name":"College of Chemistry, Fuzhou University, Fuzhou 350108, China"}],"role":[{"role":"author","vocab":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2016,8,8]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"196","DOI":"10.1016\/j.snb.2015.04.108","article-title":"Fiber optic hydrogen sulfide gas sensors utilizing ZnO thin film\/ZnO nanoparticles: A comparison of surface plasmon resonance and lossy mode resonance","volume":"218","author":"Usha","year":"2015","journal-title":"Sens. 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